[INFO] cloning repository https://github.com/ayomidebajo/learning_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayomidebajo/learning_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayomidebajo%2Flearning_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayomidebajo%2Flearning_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4d69596b502f1d61dbd2997a09e6cf672bd93106 [INFO] testing ayomidebajo/learning_rust against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayomidebajo%2Flearning_rust" "/workspace/builds/worker-86/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ayomidebajo/learning_rust 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/ayomidebajo/learning_rust [INFO] finished tweaking git repo https://github.com/ayomidebajo/learning_rust [INFO] tweaked toml for git repo https://github.com/ayomidebajo/learning_rust written to /workspace/builds/worker-86/source/Cargo.toml [INFO] crate git repo https://github.com/ayomidebajo/learning_rust 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 1f20d47536e269674d1f7ab116fdd8d873fbf1070fcb307012469cb71c2d9731 [INFO] running `Command { std: "docker" "start" "-a" "1f20d47536e269674d1f7ab116fdd8d873fbf1070fcb307012469cb71c2d9731", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f20d47536e269674d1f7ab116fdd8d873fbf1070fcb307012469cb71c2d9731", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f20d47536e269674d1f7ab116fdd8d873fbf1070fcb307012469cb71c2d9731", kill_on_drop: false }` [INFO] [stdout] 1f20d47536e269674d1f7ab116fdd8d873fbf1070fcb307012469cb71c2d9731 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] b2df4a1964ae9960298c33be89f3c6fe6cdf52c9c209f730545fc7a9ed2c1d77 [INFO] running `Command { std: "docker" "start" "-a" "b2df4a1964ae9960298c33be89f3c6fe6cdf52c9c209f730545fc7a9ed2c1d77", kill_on_drop: false }` [INFO] [stderr] Compiling exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.29s [INFO] running `Command { std: "docker" "inspect" "b2df4a1964ae9960298c33be89f3c6fe6cdf52c9c209f730545fc7a9ed2c1d77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2df4a1964ae9960298c33be89f3c6fe6cdf52c9c209f730545fc7a9ed2c1d77", kill_on_drop: false }` [INFO] [stdout] b2df4a1964ae9960298c33be89f3c6fe6cdf52c9c209f730545fc7a9ed2c1d77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 1f2e5db36ab9c8cd4544ed995bf8250ca7857ae0ec74b72c4b4ad6a2afd31867 [INFO] running `Command { std: "docker" "start" "-a" "1f2e5db36ab9c8cd4544ed995bf8250ca7857ae0ec74b72c4b4ad6a2afd31867", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `Command { std: "docker" "inspect" "1f2e5db36ab9c8cd4544ed995bf8250ca7857ae0ec74b72c4b4ad6a2afd31867", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f2e5db36ab9c8cd4544ed995bf8250ca7857ae0ec74b72c4b4ad6a2afd31867", kill_on_drop: false }` [INFO] [stdout] 1f2e5db36ab9c8cd4544ed995bf8250ca7857ae0ec74b72c4b4ad6a2afd31867 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 3cd585606371ed7ebe78f44eb2fde1c74a51e474bfd1af666382977fa33afac6 [INFO] running `Command { std: "docker" "start" "-a" "3cd585606371ed7ebe78f44eb2fde1c74a51e474bfd1af666382977fa33afac6", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/exercises-1f259d2c225df141) [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" "3cd585606371ed7ebe78f44eb2fde1c74a51e474bfd1af666382977fa33afac6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cd585606371ed7ebe78f44eb2fde1c74a51e474bfd1af666382977fa33afac6", kill_on_drop: false }` [INFO] [stdout] 3cd585606371ed7ebe78f44eb2fde1c74a51e474bfd1af666382977fa33afac6