[INFO] cloning repository https://github.com/chrisxue815/codeforces-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrisxue815/codeforces-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisxue815%2Fcodeforces-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisxue815%2Fcodeforces-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49ba2021af8c2b5e1a701f63c31551e33f835751
[INFO] checking chrisxue815/codeforces-rust against be3da1e8c043bb6f1f335463d3b1335cdf50b03c for pr-162597
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisxue815%2Fcodeforces-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chrisxue815/codeforces-rust
[INFO] finished tweaking git repo https://github.com/chrisxue815/codeforces-rust
[INFO] tweaked toml for git repo https://github.com/chrisxue815/codeforces-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chrisxue815/codeforces-rust on toolchain be3da1e8c043bb6f1f335463d3b1335cdf50b03c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chrisxue815/codeforces-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking chrisxue815/codeforces-rust against be3da1e8c043bb6f1f335463d3b1335cdf50b03c for pr-162597
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisxue815%2Fcodeforces-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chrisxue815/codeforces-rust
[INFO] finished tweaking git repo https://github.com/chrisxue815/codeforces-rust
[INFO] tweaked toml for git repo https://github.com/chrisxue815/codeforces-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chrisxue815/codeforces-rust on toolchain be3da1e8c043bb6f1f335463d3b1335cdf50b03c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chrisxue815/codeforces-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] efd0022abaaefe641971e023cbe4b8c4b5994f879fd5d0eec802fb1fff41a1aa
[INFO] running `Command { std: "docker" "start" "efd0022abaaefe641971e023cbe4b8c4b5994f879fd5d0eec802fb1fff41a1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efd0022abaaefe641971e023cbe4b8c4b5994f879fd5d0eec802fb1fff41a1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "efd0022abaaefe641971e023cbe4b8c4b5994f879fd5d0eec802fb1fff41a1aa" "/opt/rustwide/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efd0022abaaefe641971e023cbe4b8c4b5994f879fd5d0eec802fb1fff41a1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "efd0022abaaefe641971e023cbe4b8c4b5994f879fd5d0eec802fb1fff41a1aa" "/opt/rustwide/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking codeforces-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated module `std::i32`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/p0115a.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::i32;
[INFO] [stdout]   |          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0001a.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     let n: u64 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::i32`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/p0115a.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::i32;
[INFO] [stdout]   |          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0001a.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     let m: u64 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0001a.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     let n: u64 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0001a.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     let a: u64 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0001a.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     let m: u64 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0004a.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     let w: u32 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0001a.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     let a: u64 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0050a.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     let m: u32 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0050a.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     let n: u32 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0004a.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     let w: u32 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0050a.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     let m: u32 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0116a.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     let n: u32 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0050a.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     let n: u32 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0116a.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         let a: i32 = read!();
[INFO] [stdout]    |                      ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0116a.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |         let b: i32 = read!();
[INFO] [stdout]    |                      ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0116a.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     let n: u32 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0158b.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |         let si: usize = read!();
[INFO] [stdout]    |                         ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0116a.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         let a: i32 = read!();
[INFO] [stdout]    |                      ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0116a.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |         let b: i32 = read!();
[INFO] [stdout]    |                      ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/p0158b.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let stdin: &mut Iterator<Item = u8> = &mut ($input);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |         let si: usize = read!();
[INFO] [stdout]    |                         ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0001a.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     let n: u64 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0001a.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     let m: u64 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0001a.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     let a: u64 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0004a.rs:58:21
[INFO] [stdout]    |
[INFO] [stdout] 58 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     let w: u32 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 58 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0050a.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     let m: u32 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0050a.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     let n: u32 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0116a.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     let n: u32 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 63 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0116a.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         let a: i32 = read!();
[INFO] [stdout]    |                      ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 63 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0116a.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |         let b: i32 = read!();
[INFO] [stdout]    |                      ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 63 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0158b.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |         let si: usize = read!();
[INFO] [stdout]    |                         ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0001a.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     let n: u64 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0001a.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     let m: u64 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0001a.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     let a: u64 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0004a.rs:58:21
[INFO] [stdout]    |
[INFO] [stdout] 58 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     let w: u32 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 58 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0050a.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     let m: u32 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0050a.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     let n: u32 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0116a.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     let n: u32 = read!();
[INFO] [stdout]    |                  ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 63 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0116a.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         let a: i32 = read!();
[INFO] [stdout]    |                      ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 63 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0116a.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |         let b: i32 = read!();
[INFO] [stdout]    |                      ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 63 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/p0158b.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |         let si: usize = read!();
[INFO] [stdout]    |                         ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `scan` which comes from the expansion of the macro `read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 59 |             None => panic!("{}", "Bad read! format string: did not contain {{}}"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "efd0022abaaefe641971e023cbe4b8c4b5994f879fd5d0eec802fb1fff41a1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd0022abaaefe641971e023cbe4b8c4b5994f879fd5d0eec802fb1fff41a1aa", kill_on_drop: false }`
[INFO] [stdout] efd0022abaaefe641971e023cbe4b8c4b5994f879fd5d0eec802fb1fff41a1aa
