[INFO] cloning repository https://github.com/IceyBlackTea/learn_algorithms_with_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IceyBlackTea/learn_algorithms_with_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIceyBlackTea%2Flearn_algorithms_with_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIceyBlackTea%2Flearn_algorithms_with_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ff973a790f5b93b4e3818aad3f4e940f9764863
[INFO] testing IceyBlackTea/learn_algorithms_with_rust against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIceyBlackTea%2Flearn_algorithms_with_rust" "/workspace/builds/worker-46/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IceyBlackTea/learn_algorithms_with_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/IceyBlackTea/learn_algorithms_with_rust
[INFO] finished tweaking git repo https://github.com/IceyBlackTea/learn_algorithms_with_rust
[INFO] tweaked toml for git repo https://github.com/IceyBlackTea/learn_algorithms_with_rust written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate git repo https://github.com/IceyBlackTea/learn_algorithms_with_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-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 51aff5ef8f1cab9c6ea9216fd6f0834a4a96c73d683cd64e4f7b2831cc4a08e6
[INFO] running `Command { std: "docker" "start" "-a" "51aff5ef8f1cab9c6ea9216fd6f0834a4a96c73d683cd64e4f7b2831cc4a08e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51aff5ef8f1cab9c6ea9216fd6f0834a4a96c73d683cd64e4f7b2831cc4a08e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51aff5ef8f1cab9c6ea9216fd6f0834a4a96c73d683cd64e4f7b2831cc4a08e6", kill_on_drop: false }`
[INFO] [stdout] 51aff5ef8f1cab9c6ea9216fd6f0834a4a96c73d683cd64e4f7b2831cc4a08e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 305d70d318787f68c10a02aff5dab62ad788c1a83c96db83f611744b6261954f
[INFO] running `Command { std: "docker" "start" "-a" "305d70d318787f68c10a02aff5dab62ad788c1a83c96db83f611744b6261954f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling learn_algorithms_with_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.09s
[INFO] running `Command { std: "docker" "inspect" "305d70d318787f68c10a02aff5dab62ad788c1a83c96db83f611744b6261954f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305d70d318787f68c10a02aff5dab62ad788c1a83c96db83f611744b6261954f", kill_on_drop: false }`
[INFO] [stdout] 305d70d318787f68c10a02aff5dab62ad788c1a83c96db83f611744b6261954f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 967b86635efedcd1b6a341cacabd8bd2809eb212728dab52cc1ad8c2e2281f89
[INFO] running `Command { std: "docker" "start" "-a" "967b86635efedcd1b6a341cacabd8bd2809eb212728dab52cc1ad8c2e2281f89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling learn_algorithms_with_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "967b86635efedcd1b6a341cacabd8bd2809eb212728dab52cc1ad8c2e2281f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967b86635efedcd1b6a341cacabd8bd2809eb212728dab52cc1ad8c2e2281f89", kill_on_drop: false }`
[INFO] [stdout] 967b86635efedcd1b6a341cacabd8bd2809eb212728dab52cc1ad8c2e2281f89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] d4c735eb2a0d7effd8c7cf5e6dc03ba0d6b018ba4f3715f1dcd001cdf6387cee
[INFO] running `Command { std: "docker" "start" "-a" "d4c735eb2a0d7effd8c7cf5e6dc03ba0d6b018ba4f3715f1dcd001cdf6387cee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learn_algorithms_with_rust-e0cf6f791e625656)
[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" "d4c735eb2a0d7effd8c7cf5e6dc03ba0d6b018ba4f3715f1dcd001cdf6387cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4c735eb2a0d7effd8c7cf5e6dc03ba0d6b018ba4f3715f1dcd001cdf6387cee", kill_on_drop: false }`
[INFO] [stdout] d4c735eb2a0d7effd8c7cf5e6dc03ba0d6b018ba4f3715f1dcd001cdf6387cee