[INFO] cloning repository https://github.com/PersonTheCat/AOC2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PersonTheCat/AOC2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPersonTheCat%2FAOC2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPersonTheCat%2FAOC2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 108296c09d8f552209f37fb32bea00faaff50c0e
[INFO] checking PersonTheCat/AOC2020 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPersonTheCat%2FAOC2020" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/PersonTheCat/AOC2020
[INFO] finished tweaking git repo https://github.com/PersonTheCat/AOC2020
[INFO] tweaked toml for git repo https://github.com/PersonTheCat/AOC2020 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PersonTheCat/AOC2020 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/PersonTheCat/AOC2020 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5e5c3e5edded53acd3cb22c4739692eafc71cdf6b7e7d11317dd2c7f18d4f93
[INFO] running `Command { std: "docker" "start" "-a" "d5e5c3e5edded53acd3cb22c4739692eafc71cdf6b7e7d11317dd2c7f18d4f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5e5c3e5edded53acd3cb22c4739692eafc71cdf6b7e7d11317dd2c7f18d4f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5e5c3e5edded53acd3cb22c4739692eafc71cdf6b7e7d11317dd2c7f18d4f93", kill_on_drop: false }`
[INFO] [stdout] d5e5c3e5edded53acd3cb22c4739692eafc71cdf6b7e7d11317dd2c7f18d4f93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba5c790f6839a16c41e78d4b2cae84f967e4d58ede0003e08ddd66a17158a4ec
[INFO] running `Command { std: "docker" "start" "-a" "ba5c790f6839a16c41e78d4b2cae84f967e4d58ede0003e08ddd66a17158a4ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking demo_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `EmptySolution` is never constructed
[INFO] [stdout]  --> src/solutions/empty_solution.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct EmptySolution;
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `frame` is never read
[INFO] [stdout]  --> src/solutions/jigsaw.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct JigsawSolution {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 7 |     jigsaws: Vec<Jigsaw>,
[INFO] [stdout] 8 |     frame: Vec<Vec<Option<Jigsaw>>>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display` is never used
[INFO] [stdout]    --> src/solutions/jigsaw.rs:151:4
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn display(jigsaw: &Jigsaw) {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/solutions/jigsaw.rs:188:5
[INFO] [stdout]     |
[INFO] [stdout] 187 | pub struct Jigsaw {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 188 |     id: u64,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Jigsaw` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_up` is never used
[INFO] [stdout]    --> src/solutions/jigsaw.rs:294:8
[INFO] [stdout]     |
[INFO] [stdout] 192 | impl Jigsaw {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 294 |     fn check_up(&self, other: &Self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/computer.rs:53:30
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Err(e) => panic!(e.get_message()),
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error 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] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Err(e) => panic!("{}", e.get_message()),
[INFO] [stdout]    |                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/computer.rs:143:30
[INFO] [stdout]     |
[INFO] [stdout] 143 |             Err(e) => panic!(e.get_message()),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error 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] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 143 |             Err(e) => panic!("{}", e.get_message()),
[INFO] [stdout]     |                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `frame` is never read
[INFO] [stdout]  --> src/solutions/jigsaw.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct JigsawSolution {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 7 |     jigsaws: Vec<Jigsaw>,
[INFO] [stdout] 8 |     frame: Vec<Vec<Option<Jigsaw>>>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display` is never used
[INFO] [stdout]    --> src/solutions/jigsaw.rs:151:4
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn display(jigsaw: &Jigsaw) {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/solutions/jigsaw.rs:188:5
[INFO] [stdout]     |
[INFO] [stdout] 187 | pub struct Jigsaw {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 188 |     id: u64,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Jigsaw` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_up` is never used
[INFO] [stdout]    --> src/solutions/jigsaw.rs:294:8
[INFO] [stdout]     |
[INFO] [stdout] 192 | impl Jigsaw {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 294 |     fn check_up(&self, other: &Self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/computer.rs:53:30
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Err(e) => panic!(e.get_message()),
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error 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] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Err(e) => panic!("{}", e.get_message()),
[INFO] [stdout]    |                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/computer.rs:143:30
[INFO] [stdout]     |
[INFO] [stdout] 143 |             Err(e) => panic!(e.get_message()),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error 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] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 143 |             Err(e) => panic!("{}", e.get_message()),
[INFO] [stdout]     |                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.45s
[INFO] running `Command { std: "docker" "inspect" "ba5c790f6839a16c41e78d4b2cae84f967e4d58ede0003e08ddd66a17158a4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba5c790f6839a16c41e78d4b2cae84f967e4d58ede0003e08ddd66a17158a4ec", kill_on_drop: false }`
[INFO] [stdout] ba5c790f6839a16c41e78d4b2cae84f967e4d58ede0003e08ddd66a17158a4ec
