[INFO] cloning repository https://github.com/balderstonb/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/balderstonb/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalderstonb%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalderstonb%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3a842561a143875ace3a603a574421590f8e641
[INFO] testing balderstonb/rust against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalderstonb%2Frust" "/workspace/builds/worker-105/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-105/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/balderstonb/rust 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/balderstonb/rust
[INFO] finished tweaking git repo https://github.com/balderstonb/rust
[INFO] tweaked toml for git repo https://github.com/balderstonb/rust written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate git repo https://github.com/balderstonb/rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] bc5b02bdf1574ed27868672a371500d32533a09e9218a806bb6890bcc139cc5a
[INFO] running `Command { std: "docker" "start" "-a" "bc5b02bdf1574ed27868672a371500d32533a09e9218a806bb6890bcc139cc5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc5b02bdf1574ed27868672a371500d32533a09e9218a806bb6890bcc139cc5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc5b02bdf1574ed27868672a371500d32533a09e9218a806bb6890bcc139cc5a", kill_on_drop: false }`
[INFO] [stdout] bc5b02bdf1574ed27868672a371500d32533a09e9218a806bb6890bcc139cc5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 91a9a614d91e1fb6acb30f226cd9b90b5884c1fe43b49685613270567fbb7d8b
[INFO] running `Command { std: "docker" "start" "-a" "91a9a614d91e1fb6acb30f226cd9b90b5884c1fe43b49685613270567fbb7d8b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     (sum as f32 / size as f32)
[INFO] [stdout]    |     ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -     (sum as f32 / size as f32)
[INFO] [stdout] 19 +     sum as f32 / size as f32
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "91a9a614d91e1fb6acb30f226cd9b90b5884c1fe43b49685613270567fbb7d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91a9a614d91e1fb6acb30f226cd9b90b5884c1fe43b49685613270567fbb7d8b", kill_on_drop: false }`
[INFO] [stdout] 91a9a614d91e1fb6acb30f226cd9b90b5884c1fe43b49685613270567fbb7d8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 5b224d29f7b8d5be9f3ab975beb8bdb4bfbde9ebf6210df2bf6680bf64303b0f
[INFO] running `Command { std: "docker" "start" "-a" "5b224d29f7b8d5be9f3ab975beb8bdb4bfbde9ebf6210df2bf6680bf64303b0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling stats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     (sum as f32 / size as f32)
[INFO] [stdout]    |     ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -     (sum as f32 / size as f32)
[INFO] [stdout] 19 +     sum as f32 / size as f32
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "5b224d29f7b8d5be9f3ab975beb8bdb4bfbde9ebf6210df2bf6680bf64303b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b224d29f7b8d5be9f3ab975beb8bdb4bfbde9ebf6210df2bf6680bf64303b0f", kill_on_drop: false }`
[INFO] [stdout] 5b224d29f7b8d5be9f3ab975beb8bdb4bfbde9ebf6210df2bf6680bf64303b0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 3030e18733e1879c94c3c27e905a82ad51cbad94c88b9168f5f36eebe2113eb9
[INFO] running `Command { std: "docker" "start" "-a" "3030e18733e1879c94c3c27e905a82ad51cbad94c88b9168f5f36eebe2113eb9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     (sum as f32 / size as f32)
[INFO] [stderr]    |     ^                        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 19 -     (sum as f32 / size as f32)
[INFO] [stderr] 19 +     sum as f32 / size as f32
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `stats` (bin "stats" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4m 54s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stats-c0b49676d77fe40a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_mean ... ok
[INFO] [stdout] test tests::test_median_even ... ok
[INFO] [stdout] test tests::test_median_odd ... ok
[INFO] [stdout] test tests::test_mode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3030e18733e1879c94c3c27e905a82ad51cbad94c88b9168f5f36eebe2113eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3030e18733e1879c94c3c27e905a82ad51cbad94c88b9168f5f36eebe2113eb9", kill_on_drop: false }`
[INFO] [stdout] 3030e18733e1879c94c3c27e905a82ad51cbad94c88b9168f5f36eebe2113eb9