[INFO] cloning repository https://github.com/OtherAesop/asciilines
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OtherAesop/asciilines" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOtherAesop%2Fasciilines", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOtherAesop%2Fasciilines'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 695e06e2509ebe19d031e5fe89d7c57642407dd7
[INFO] testing OtherAesop/asciilines against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOtherAesop%2Fasciilines" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OtherAesop/asciilines on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/OtherAesop/asciilines
[INFO] finished tweaking git repo https://github.com/OtherAesop/asciilines
[INFO] tweaked toml for git repo https://github.com/OtherAesop/asciilines written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/OtherAesop/asciilines already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fb8bf9f3f32d877e2e73cedc67c54b57696450508532c78b5b072b715b373db
[INFO] running `Command { std: "docker" "start" "-a" "3fb8bf9f3f32d877e2e73cedc67c54b57696450508532c78b5b072b715b373db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fb8bf9f3f32d877e2e73cedc67c54b57696450508532c78b5b072b715b373db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb8bf9f3f32d877e2e73cedc67c54b57696450508532c78b5b072b715b373db", kill_on_drop: false }`
[INFO] [stdout] 3fb8bf9f3f32d877e2e73cedc67c54b57696450508532c78b5b072b715b373db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ed22b389da031e82a5b1b1d70d6ec3c5052b8c6857bf79c11bb4dbf0523bc24
[INFO] running `Command { std: "docker" "start" "-a" "9ed22b389da031e82a5b1b1d70d6ec3c5052b8c6857bf79c11bb4dbf0523bc24", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling asciilines v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `curr_command` is never read
[INFO] [stdout]   --> src/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut curr_command = vec![];
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut board = vec![vec!["."; canvas[0].parse().unwrap()]; canvas[1].parse().unwrap()];
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `Command { std: "docker" "inspect" "9ed22b389da031e82a5b1b1d70d6ec3c5052b8c6857bf79c11bb4dbf0523bc24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed22b389da031e82a5b1b1d70d6ec3c5052b8c6857bf79c11bb4dbf0523bc24", kill_on_drop: false }`
[INFO] [stdout] 9ed22b389da031e82a5b1b1d70d6ec3c5052b8c6857bf79c11bb4dbf0523bc24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 709571daf3a2c34d3445db76fb6ab02ead4b8d5ed0691636b834f0af8862b345
[INFO] running `Command { std: "docker" "start" "-a" "709571daf3a2c34d3445db76fb6ab02ead4b8d5ed0691636b834f0af8862b345", kill_on_drop: false }`
[INFO] [stderr]    Compiling asciilines v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `curr_command` is never read
[INFO] [stdout]   --> src/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut curr_command = vec![];
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut board = vec![vec!["."; canvas[0].parse().unwrap()]; canvas[1].parse().unwrap()];
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "709571daf3a2c34d3445db76fb6ab02ead4b8d5ed0691636b834f0af8862b345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "709571daf3a2c34d3445db76fb6ab02ead4b8d5ed0691636b834f0af8862b345", kill_on_drop: false }`
[INFO] [stdout] 709571daf3a2c34d3445db76fb6ab02ead4b8d5ed0691636b834f0af8862b345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] edb3881da9ba179c3bcb4f195914c72198670442fdd9244cb7c070e9c3b3715d
[INFO] running `Command { std: "docker" "start" "-a" "edb3881da9ba179c3bcb4f195914c72198670442fdd9244cb7c070e9c3b3715d", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `curr_command` is never read
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut curr_command = vec![];
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut board = vec![vec!["."; canvas[0].parse().unwrap()]; canvas[1].parse().unwrap()];
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `asciilines` (bin "asciilines" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/asciilines-7153dd51dfa29eff)
[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" "edb3881da9ba179c3bcb4f195914c72198670442fdd9244cb7c070e9c3b3715d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edb3881da9ba179c3bcb4f195914c72198670442fdd9244cb7c070e9c3b3715d", kill_on_drop: false }`
[INFO] [stdout] edb3881da9ba179c3bcb4f195914c72198670442fdd9244cb7c070e9c3b3715d