[INFO] cloning repository https://github.com/dbrgn/rusty-santa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dbrgn/rusty-santa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Frusty-santa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Frusty-santa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27a2d55bd71ee570ed194d5e7304922ad8def43c
[INFO] testing dbrgn/rusty-santa against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Frusty-santa" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dbrgn/rusty-santa
[INFO] finished tweaking git repo https://github.com/dbrgn/rusty-santa
[INFO] tweaked toml for git repo https://github.com/dbrgn/rusty-santa written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dbrgn/rusty-santa on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dbrgn/rusty-santa 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-4-tc1/source/rusty-santa-cli/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-4-tc1/source/rusty-santa/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.4.3
[INFO] [stderr]   Downloaded rprompt v1.0.3
[INFO] [stderr]   Downloaded lazy_static v0.2.9
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded rand v0.3.17
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.2.0
[INFO] [stderr]   Downloaded fuchsia-zircon v0.2.1
[INFO] [stderr]   Downloaded libc v0.2.32
[INFO] [stderr]   Downloaded colored v1.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28f789bc27ff0917e38e1e757b368ac509c26d9472728bf167fc9e859954204c
[INFO] running `Command { std: "docker" "start" "-a" "28f789bc27ff0917e38e1e757b368ac509c26d9472728bf167fc9e859954204c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28f789bc27ff0917e38e1e757b368ac509c26d9472728bf167fc9e859954204c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f789bc27ff0917e38e1e757b368ac509c26d9472728bf167fc9e859954204c", kill_on_drop: false }`
[INFO] [stdout] 28f789bc27ff0917e38e1e757b368ac509c26d9472728bf167fc9e859954204c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4399826b5cff4bedfa80663bba6532130e2d289d4bcfefb68b17d768a5bbc301
[INFO] running `Command { std: "docker" "start" "-a" "4399826b5cff4bedfa80663bba6532130e2d289d4bcfefb68b17d768a5bbc301", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/rusty-santa-cli/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/rusty-santa/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling rprompt v1.0.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling colored v1.5.3
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling rusty-santa v0.1.0 (/opt/rustwide/workdir/rusty-santa)
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stdout] warning: methods `get` and `size` are never used
[INFO] [stdout]    --> rusty-santa/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  35 | impl Matrix {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  64 |     pub fn get(&self, x: &str, y: &str) -> bool {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn size(&self) -> usize {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling rusty-santa-cli v0.1.0 (/opt/rustwide/workdir/rusty-santa-cli)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "4399826b5cff4bedfa80663bba6532130e2d289d4bcfefb68b17d768a5bbc301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4399826b5cff4bedfa80663bba6532130e2d289d4bcfefb68b17d768a5bbc301", kill_on_drop: false }`
[INFO] [stdout] 4399826b5cff4bedfa80663bba6532130e2d289d4bcfefb68b17d768a5bbc301
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 786f2f7cc31f66d43d69b57f8794858ded106bc22364d1053a321f256dcb99a7
[INFO] running `Command { std: "docker" "start" "-a" "786f2f7cc31f66d43d69b57f8794858ded106bc22364d1053a321f256dcb99a7", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/rusty-santa/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/rusty-santa-cli/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rusty-santa v0.1.0 (/opt/rustwide/workdir/rusty-santa)
[INFO] [stderr]    Compiling rusty-santa-cli v0.1.0 (/opt/rustwide/workdir/rusty-santa-cli)
[INFO] [stdout] warning: methods `get` and `size` are never used
[INFO] [stdout]    --> rusty-santa/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  35 | impl Matrix {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  64 |     pub fn get(&self, x: &str, y: &str) -> bool {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn size(&self) -> usize {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> rusty-santa/src/lib.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 279 |         let mut matrix = Matrix::new(keys);
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> rusty-santa/src/lib.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |         for i in 0..1000 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> rusty-santa/src/lib.rs:358:13
[INFO] [stdout]     |
[INFO] [stdout] 358 |             group.assign();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 358 |             let _ = group.assign();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "786f2f7cc31f66d43d69b57f8794858ded106bc22364d1053a321f256dcb99a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786f2f7cc31f66d43d69b57f8794858ded106bc22364d1053a321f256dcb99a7", kill_on_drop: false }`
[INFO] [stdout] 786f2f7cc31f66d43d69b57f8794858ded106bc22364d1053a321f256dcb99a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 52b52309ab8f91528af69815eae947f6f4834216bcf96a08a84fd4dd70b368e9
[INFO] running `Command { std: "docker" "start" "-a" "52b52309ab8f91528af69815eae947f6f4834216bcf96a08a84fd4dd70b368e9", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/rusty-santa-cli/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/rusty-santa/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: methods `get` and `size` are never used
[INFO] [stderr]    --> rusty-santa/src/lib.rs:64:12
[INFO] [stderr]     |
[INFO] [stderr]  35 | impl Matrix {
[INFO] [stderr]     | ----------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  64 |     pub fn get(&self, x: &str, y: &str) -> bool {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 103 |     pub fn size(&self) -> usize {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty-santa` (lib) generated 1 warning
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> rusty-santa/src/lib.rs:279:13
[INFO] [stderr]     |
[INFO] [stderr] 279 |         let mut matrix = Matrix::new(keys);
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> rusty-santa/src/lib.rs:357:13
[INFO] [stderr]     |
[INFO] [stderr] 357 |         for i in 0..1000 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> rusty-santa/src/lib.rs:358:13
[INFO] [stderr]     |
[INFO] [stderr] 358 |             group.assign();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 358 |             let _ = group.assign();
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty-santa` (lib test) generated 3 warnings (run `cargo fix --lib -p rusty-santa --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusty_santa-3b12858167ed0e2a)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::group_simple ... ok
[INFO] [stdout] test tests::matrix_get_row ... ok
[INFO] [stdout] test tests::matrix_contains ... ok
[INFO] [stdout] test tests::matrix_init ... ok
[INFO] [stdout] test tests::matrix_set ... ok
[INFO] [stdout] test tests::matrix_size ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_santa_cli-5da1e53ae4d8b7e8)
[INFO] [stdout] test tests::group_may_fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusty_santa
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "52b52309ab8f91528af69815eae947f6f4834216bcf96a08a84fd4dd70b368e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b52309ab8f91528af69815eae947f6f4834216bcf96a08a84fd4dd70b368e9", kill_on_drop: false }`
[INFO] [stdout] 52b52309ab8f91528af69815eae947f6f4834216bcf96a08a84fd4dd70b368e9