[INFO] cloning repository https://github.com/gabriel-letarte/rust-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gabriel-letarte/rust-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabriel-letarte%2Frust-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabriel-letarte%2Frust-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f503559130ecbbae9b75cacd2e5880f339b2208
[INFO] testing gabriel-letarte/rust-exercises against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabriel-letarte%2Frust-exercises" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gabriel-letarte/rust-exercises on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gabriel-letarte/rust-exercises
[INFO] finished tweaking git repo https://github.com/gabriel-letarte/rust-exercises
[INFO] tweaked toml for git repo https://github.com/gabriel-letarte/rust-exercises written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/gabriel-letarte/rust-exercises already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ebf986edafd986c1df0c36e0c104fd38466483a3d0b2863ae87223296364dfa
[INFO] running `Command { std: "docker" "start" "-a" "3ebf986edafd986c1df0c36e0c104fd38466483a3d0b2863ae87223296364dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ebf986edafd986c1df0c36e0c104fd38466483a3d0b2863ae87223296364dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ebf986edafd986c1df0c36e0c104fd38466483a3d0b2863ae87223296364dfa", kill_on_drop: false }`
[INFO] [stdout] 3ebf986edafd986c1df0c36e0c104fd38466483a3d0b2863ae87223296364dfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d18ef7ed2cc866763c12b0f532c1dd8a5198ed6452948265c54457f627a62451
[INFO] running `Command { std: "docker" "start" "-a" "d18ef7ed2cc866763c12b0f532c1dd8a5198ed6452948265c54457f627a62451", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "d18ef7ed2cc866763c12b0f532c1dd8a5198ed6452948265c54457f627a62451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d18ef7ed2cc866763c12b0f532c1dd8a5198ed6452948265c54457f627a62451", kill_on_drop: false }`
[INFO] [stdout] d18ef7ed2cc866763c12b0f532c1dd8a5198ed6452948265c54457f627a62451
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceaceaceb1d8a497e66187f25383a1d8dc3af7118cc12872aa5552d88cea608f
[INFO] running `Command { std: "docker" "start" "-a" "ceaceaceb1d8a497e66187f25383a1d8dc3af7118cc12872aa5552d88cea608f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "ceaceaceb1d8a497e66187f25383a1d8dc3af7118cc12872aa5552d88cea608f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceaceaceb1d8a497e66187f25383a1d8dc3af7118cc12872aa5552d88cea608f", kill_on_drop: false }`
[INFO] [stdout] ceaceaceb1d8a497e66187f25383a1d8dc3af7118cc12872aa5552d88cea608f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 706a47a0366fa2a5c31f4b76059dc862c9d7c4fd76fc4bb4ad9325b2e27932e4
[INFO] running `Command { std: "docker" "start" "-a" "706a47a0366fa2a5c31f4b76059dc862c9d7c4fd76fc4bb4ad9325b2e27932e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exercises-fe40ba19589c5582)
[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" "706a47a0366fa2a5c31f4b76059dc862c9d7c4fd76fc4bb4ad9325b2e27932e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706a47a0366fa2a5c31f4b76059dc862c9d7c4fd76fc4bb4ad9325b2e27932e4", kill_on_drop: false }`
[INFO] [stdout] 706a47a0366fa2a5c31f4b76059dc862c9d7c4fd76fc4bb4ad9325b2e27932e4