[INFO] cloning repository https://github.com/saebs/cs50rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saebs/cs50rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaebs%2Fcs50rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaebs%2Fcs50rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff76e3b854b629608993a1d78013f4de60e431d8
[INFO] checking saebs/cs50rs against try#e5b0618d996a6a3941e423fd3e170737b8dbdc92 for pr-151822
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaebs%2Fcs50rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/saebs/cs50rs
[INFO] finished tweaking git repo https://github.com/saebs/cs50rs
[INFO] tweaked toml for git repo https://github.com/saebs/cs50rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/saebs/cs50rs on toolchain e5b0618d996a6a3941e423fd3e170737b8dbdc92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/saebs/cs50rs 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" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "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] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking saebs/cs50rs against try#e5b0618d996a6a3941e423fd3e170737b8dbdc92 for pr-151822
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaebs%2Fcs50rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/saebs/cs50rs
[INFO] finished tweaking git repo https://github.com/saebs/cs50rs
[INFO] tweaked toml for git repo https://github.com/saebs/cs50rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/saebs/cs50rs on toolchain e5b0618d996a6a3941e423fd3e170737b8dbdc92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/saebs/cs50rs 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" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db79a0bba45a9c66da6e095c772e81ef7e8f29efcaab441625defbe1418a8e60
[INFO] running `Command { std: "docker" "start" "-a" "db79a0bba45a9c66da6e095c772e81ef7e8f29efcaab441625defbe1418a8e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db79a0bba45a9c66da6e095c772e81ef7e8f29efcaab441625defbe1418a8e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db79a0bba45a9c66da6e095c772e81ef7e8f29efcaab441625defbe1418a8e60", kill_on_drop: false }`
[INFO] [stdout] db79a0bba45a9c66da6e095c772e81ef7e8f29efcaab441625defbe1418a8e60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54f761c7dac7e63c4e8059895182c6b71946d8ee2246fc74eb0052e0b2dc2dd3
[INFO] running `Command { std: "docker" "start" "-a" "54f761c7dac7e63c4e8059895182c6b71946d8ee2246fc74eb0052e0b2dc2dd3", kill_on_drop: false }`
[INFO] [stderr]     Checking cs50rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/pset1_rust/credit.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 |             ('5', '1'...'5', SXTN) =>  (M, {}, {}),  // Mastercard numbers are 16 digit, start with 51 to 55
[INFO] [stdout]    |                      ^^^ help: use `..=` for an inclusive range
[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(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/pset2_crypto/crack.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]  --> src/pset2_crypto/crack.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     #[repr(C)]
[INFO] [stdout]   |            ^
[INFO] [stdout] 6 |     fn crypt<'a>(key: *const u8, salt: *const u8) -> *const u8; 
[INFO] [stdout]   |     ----------------------------------------------------------- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/pset1_rust/credit.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 |             ('5', '1'...'5', SXTN) =>  (M, {}, {}),  // Mastercard numbers are 16 digit, start with 51 to 55
[INFO] [stdout]    |                      ^^^ help: use `..=` for an inclusive range
[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(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/pset2_crypto/crack.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]  --> src/pset2_crypto/crack.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     #[repr(C)]
[INFO] [stdout]   |            ^
[INFO] [stdout] 6 |     fn crypt<'a>(key: *const u8, salt: *const u8) -> *const u8; 
[INFO] [stdout]   |     ----------------------------------------------------------- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `gen_word` is never read
[INFO] [stdout]   --> src/pset2_crypto/crack.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 | let mut gen_word = String::new();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `gen_word` is never read
[INFO] [stdout]   --> src/pset2_crypto/crack.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 | let mut gen_word = String::new();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0517`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0517`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cs50rs` (lib) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cs50rs` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "54f761c7dac7e63c4e8059895182c6b71946d8ee2246fc74eb0052e0b2dc2dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54f761c7dac7e63c4e8059895182c6b71946d8ee2246fc74eb0052e0b2dc2dd3", kill_on_drop: false }`
[INFO] [stdout] 54f761c7dac7e63c4e8059895182c6b71946d8ee2246fc74eb0052e0b2dc2dd3