[INFO] cloning repository https://github.com/paulolemus/blunders
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paulolemus/blunders" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulolemus%2Fblunders", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulolemus%2Fblunders'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae8663b5971a11623f61b3a27897d9d03af305d8
[INFO] testing paulolemus/blunders against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulolemus%2Fblunders" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paulolemus/blunders on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paulolemus/blunders
[INFO] finished tweaking git repo https://github.com/paulolemus/blunders
[INFO] tweaked toml for git repo https://github.com/paulolemus/blunders written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/paulolemus/blunders already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 374a44073e06aa68481c1cdc177320b1f9317fa24418439719712b2dfb01686d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "374a44073e06aa68481c1cdc177320b1f9317fa24418439719712b2dfb01686d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "374a44073e06aa68481c1cdc177320b1f9317fa24418439719712b2dfb01686d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374a44073e06aa68481c1cdc177320b1f9317fa24418439719712b2dfb01686d", kill_on_drop: false }`
[INFO] [stdout] 374a44073e06aa68481c1cdc177320b1f9317fa24418439719712b2dfb01686d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14d736e2531e8c89e3c7ea6433290f877c841c370f184d163776ae25270f3a5b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "14d736e2531e8c89e3c7ea6433290f877c841c370f184d163776ae25270f3a5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling blunders-engine v0.1.0 (/opt/rustwide/workdir/blunders-engine)
[INFO] [stdout] warning: constant is never used: `UCI_ID_NAME`
[INFO] [stdout]   --> blunders-engine/src/uci.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | const UCI_ID_NAME: &str = "Blunders 0.1";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `UCI_ID_AUTHOR`
[INFO] [stdout]   --> blunders-engine/src/uci.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | const UCI_ID_AUTHOR: &str = "Paulo L.";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_command`
[INFO] [stdout]   --> blunders-engine/src/uci.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn parse_command(s: &str) -> Result<Self, &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling blunders v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.45s
[INFO] running `Command { std: "docker" "inspect" "14d736e2531e8c89e3c7ea6433290f877c841c370f184d163776ae25270f3a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d736e2531e8c89e3c7ea6433290f877c841c370f184d163776ae25270f3a5b", kill_on_drop: false }`
[INFO] [stdout] 14d736e2531e8c89e3c7ea6433290f877c841c370f184d163776ae25270f3a5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c38d1ccb56266c24f57961ac11f28d0c6f88a1b048038053c0019858a975d2fa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c38d1ccb56266c24f57961ac11f28d0c6f88a1b048038053c0019858a975d2fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling blunders v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `UCI_ID_NAME`
[INFO] [stdout]   --> blunders-engine/src/uci.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | const UCI_ID_NAME: &str = "Blunders 0.1";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `UCI_ID_AUTHOR`
[INFO] [stdout]   --> blunders-engine/src/uci.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | const UCI_ID_AUTHOR: &str = "Paulo L.";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_command`
[INFO] [stdout]   --> blunders-engine/src/uci.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn parse_command(s: &str) -> Result<Self, &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "c38d1ccb56266c24f57961ac11f28d0c6f88a1b048038053c0019858a975d2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c38d1ccb56266c24f57961ac11f28d0c6f88a1b048038053c0019858a975d2fa", kill_on_drop: false }`
[INFO] [stdout] c38d1ccb56266c24f57961ac11f28d0c6f88a1b048038053c0019858a975d2fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91c1a4ddfc7cb9d1e497734601a51a196c96441c518169ce35df7f9287812931
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "91c1a4ddfc7cb9d1e497734601a51a196c96441c518169ce35df7f9287812931", kill_on_drop: false }`
[INFO] [stderr] warning: constant is never used: `UCI_ID_NAME`
[INFO] [stdout] 
[INFO] [stderr]   --> blunders-engine/src/uci.rs:33:1
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 33 | const UCI_ID_NAME: &str = "Blunders 0.1";
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `UCI_ID_AUTHOR`
[INFO] [stderr]   --> blunders-engine/src/uci.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | const UCI_ID_AUTHOR: &str = "Paulo L.";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse_command`
[INFO] [stderr]   --> blunders-engine/src/uci.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn parse_command(s: &str) -> Result<Self, &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blunders-1268f533fe9c1429)
[INFO] running `Command { std: "docker" "inspect" "91c1a4ddfc7cb9d1e497734601a51a196c96441c518169ce35df7f9287812931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91c1a4ddfc7cb9d1e497734601a51a196c96441c518169ce35df7f9287812931", kill_on_drop: false }`
[INFO] [stdout] 91c1a4ddfc7cb9d1e497734601a51a196c96441c518169ce35df7f9287812931