[INFO] cloning repository https://github.com/pierrechevalier83/knuth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pierrechevalier83/knuth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpierrechevalier83%2Fknuth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpierrechevalier83%2Fknuth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 128bdd5e557ab24c3352762498fb13c2ebd0256c
[INFO] testing pierrechevalier83/knuth against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpierrechevalier83%2Fknuth" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pierrechevalier83/knuth on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pierrechevalier83/knuth
[INFO] finished tweaking git repo https://github.com/pierrechevalier83/knuth
[INFO] tweaked toml for git repo https://github.com/pierrechevalier83/knuth written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/pierrechevalier83/knuth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53f5bcebfabb68bd3d2b87c5ed6cdd81735a2c608b7449126217afb77c87f51c
[INFO] running `Command { std: "docker" "start" "-a" "53f5bcebfabb68bd3d2b87c5ed6cdd81735a2c608b7449126217afb77c87f51c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53f5bcebfabb68bd3d2b87c5ed6cdd81735a2c608b7449126217afb77c87f51c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f5bcebfabb68bd3d2b87c5ed6cdd81735a2c608b7449126217afb77c87f51c", kill_on_drop: false }`
[INFO] [stdout] 53f5bcebfabb68bd3d2b87c5ed6cdd81735a2c608b7449126217afb77c87f51c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a80cb7d8fd08f70b8981b4646657a741ca9a1b9e958b0fba3aa7f1b57a097c5
[INFO] running `Command { std: "docker" "start" "-a" "6a80cb7d8fd08f70b8981b4646657a741ca9a1b9e958b0fba3aa7f1b57a097c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling knuth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "6a80cb7d8fd08f70b8981b4646657a741ca9a1b9e958b0fba3aa7f1b57a097c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a80cb7d8fd08f70b8981b4646657a741ca9a1b9e958b0fba3aa7f1b57a097c5", kill_on_drop: false }`
[INFO] [stdout] 6a80cb7d8fd08f70b8981b4646657a741ca9a1b9e958b0fba3aa7f1b57a097c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92f088a2d60bd78da0fbf7dd97d08b57f63ccc325d846268650aa444f91a22c5
[INFO] running `Command { std: "docker" "start" "-a" "92f088a2d60bd78da0fbf7dd97d08b57f63ccc325d846268650aa444f91a22c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling knuth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "92f088a2d60bd78da0fbf7dd97d08b57f63ccc325d846268650aa444f91a22c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92f088a2d60bd78da0fbf7dd97d08b57f63ccc325d846268650aa444f91a22c5", kill_on_drop: false }`
[INFO] [stdout] 92f088a2d60bd78da0fbf7dd97d08b57f63ccc325d846268650aa444f91a22c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9f32ab0efe7455a28f9442bb77f3e947e582740685317ce87d28943720a03036
[INFO] running `Command { std: "docker" "start" "-a" "9f32ab0efe7455a28f9442bb77f3e947e582740685317ce87d28943720a03036", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/knuth-b00dbea421220d73)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test chapter_1::tests::test_greatest_common_divisor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9f32ab0efe7455a28f9442bb77f3e947e582740685317ce87d28943720a03036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f32ab0efe7455a28f9442bb77f3e947e582740685317ce87d28943720a03036", kill_on_drop: false }`
[INFO] [stdout] 9f32ab0efe7455a28f9442bb77f3e947e582740685317ce87d28943720a03036