[INFO] fetching crate marching-squares 0.1.1...
[INFO] testing marching-squares-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate marching-squares 0.1.1 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate marching-squares 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate marching-squares 0.1.1
[INFO] finished tweaking crates.io crate marching-squares 0.1.1
[INFO] tweaked toml for crates.io crate marching-squares 0.1.1 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate crates.io crate marching-squares 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba6eb8026f6ae7808aa3b20ce1d19aa3ac94b3f35f201c6f73084eac51f84540
[INFO] running `Command { std: "docker" "start" "-a" "ba6eb8026f6ae7808aa3b20ce1d19aa3ac94b3f35f201c6f73084eac51f84540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba6eb8026f6ae7808aa3b20ce1d19aa3ac94b3f35f201c6f73084eac51f84540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6eb8026f6ae7808aa3b20ce1d19aa3ac94b3f35f201c6f73084eac51f84540", kill_on_drop: false }`
[INFO] [stdout] ba6eb8026f6ae7808aa3b20ce1d19aa3ac94b3f35f201c6f73084eac51f84540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b09aeb0d2a174897ce8048742cead5f93a651281841f13ed660c7d286d539e52
[INFO] running `Command { std: "docker" "start" "-a" "b09aeb0d2a174897ce8048742cead5f93a651281841f13ed660c7d286d539e52", kill_on_drop: false }`
[INFO] [stderr]    Compiling marching-squares v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/lib.rs:158:6
[INFO] [stdout]     |
[INFO] [stdout] 158 |     (width, height): (usize, usize),
[INFO] [stdout]     |      ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/lib.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |     (width, height): (usize, usize),
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "b09aeb0d2a174897ce8048742cead5f93a651281841f13ed660c7d286d539e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b09aeb0d2a174897ce8048742cead5f93a651281841f13ed660c7d286d539e52", kill_on_drop: false }`
[INFO] [stdout] b09aeb0d2a174897ce8048742cead5f93a651281841f13ed660c7d286d539e52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75915a7082cc34d3a7458875fb5ae5b6716432988ce3a6538a5d439e443138a3
[INFO] running `Command { std: "docker" "start" "-a" "75915a7082cc34d3a7458875fb5ae5b6716432988ce3a6538a5d439e443138a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/lib.rs:158:6
[INFO] [stdout]     |
[INFO] [stdout] 158 |     (width, height): (usize, usize),
[INFO] [stdout]     |      ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling marching-squares v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/lib.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |     (width, height): (usize, usize),
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/lib.rs:158:6
[INFO] [stdout]     |
[INFO] [stdout] 158 |     (width, height): (usize, usize),
[INFO] [stdout]     |      ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/lib.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |     (width, height): (usize, usize),
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.06s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/marching_squares-c35a091d6f2596ea)
[INFO] running `Command { std: "docker" "inspect" "75915a7082cc34d3a7458875fb5ae5b6716432988ce3a6538a5d439e443138a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75915a7082cc34d3a7458875fb5ae5b6716432988ce3a6538a5d439e443138a3", kill_on_drop: false }`
[INFO] [stdout] 75915a7082cc34d3a7458875fb5ae5b6716432988ce3a6538a5d439e443138a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b49d2bbf2cdbcd6107a995f37e2d8038d737a3ad7d2ba934db38fe98d421cf7
[INFO] running `Command { std: "docker" "start" "-a" "1b49d2bbf2cdbcd6107a995f37e2d8038d737a3ad7d2ba934db38fe98d421cf7", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]    --> src/lib.rs:158:6
[INFO] [stderr]     |
[INFO] [stderr] 158 |     (width, height): (usize, usize),
[INFO] [stderr]     |      ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]    --> src/lib.rs:158:13
[INFO] [stderr]     |
[INFO] [stderr] 158 |     (width, height): (usize, usize),
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr] warning: `marching-squares` (lib) generated 2 warnings
[INFO] [stderr] warning: `marching-squares` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/marching_squares-c35a091d6f2596ea)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests marching-squares
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b49d2bbf2cdbcd6107a995f37e2d8038d737a3ad7d2ba934db38fe98d421cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b49d2bbf2cdbcd6107a995f37e2d8038d737a3ad7d2ba934db38fe98d421cf7", kill_on_drop: false }`
[INFO] [stdout] 1b49d2bbf2cdbcd6107a995f37e2d8038d737a3ad7d2ba934db38fe98d421cf7