[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 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIceyBlackTea%2Flearn_algorithms_with_rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IceyBlackTea/learn_algorithms_with_rust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-4/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f5fce04a6b35e68a0fd5dbb9936a7a76d7f49b5a71cf4def6414ae9889a0517
[INFO] running `Command { std: "docker" "start" "-a" "8f5fce04a6b35e68a0fd5dbb9936a7a76d7f49b5a71cf4def6414ae9889a0517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f5fce04a6b35e68a0fd5dbb9936a7a76d7f49b5a71cf4def6414ae9889a0517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f5fce04a6b35e68a0fd5dbb9936a7a76d7f49b5a71cf4def6414ae9889a0517", kill_on_drop: false }`
[INFO] [stdout] 8f5fce04a6b35e68a0fd5dbb9936a7a76d7f49b5a71cf4def6414ae9889a0517
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc06e9720d37b1b3c7bbde918974594ee543d20c09140ba469595267ffb72bad
[INFO] running `Command { std: "docker" "start" "-a" "cc06e9720d37b1b3c7bbde918974594ee543d20c09140ba469595267ffb72bad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[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 9.83s
[INFO] running `Command { std: "docker" "inspect" "cc06e9720d37b1b3c7bbde918974594ee543d20c09140ba469595267ffb72bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc06e9720d37b1b3c7bbde918974594ee543d20c09140ba469595267ffb72bad", kill_on_drop: false }`
[INFO] [stdout] cc06e9720d37b1b3c7bbde918974594ee543d20c09140ba469595267ffb72bad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a55f0bcf67dcb6a0fcbe368d1afeab06512d0e21e59fab8809815a3252ce1a85
[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" "a55f0bcf67dcb6a0fcbe368d1afeab06512d0e21e59fab8809815a3252ce1a85", 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 1.31s
[INFO] running `Command { std: "docker" "inspect" "a55f0bcf67dcb6a0fcbe368d1afeab06512d0e21e59fab8809815a3252ce1a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a55f0bcf67dcb6a0fcbe368d1afeab06512d0e21e59fab8809815a3252ce1a85", kill_on_drop: false }`
[INFO] [stdout] a55f0bcf67dcb6a0fcbe368d1afeab06512d0e21e59fab8809815a3252ce1a85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 218297fa75683e0d2daff7fd9a8499d63b6797d495bc69c23e81ed2232f823cd
[INFO] running `Command { std: "docker" "start" "-a" "218297fa75683e0d2daff7fd9a8499d63b6797d495bc69c23e81ed2232f823cd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.73s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learn_algorithms_with_rust-f66bf5969ba56c8a)
[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" "218297fa75683e0d2daff7fd9a8499d63b6797d495bc69c23e81ed2232f823cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "218297fa75683e0d2daff7fd9a8499d63b6797d495bc69c23e81ed2232f823cd", kill_on_drop: false }`
[INFO] [stdout] 218297fa75683e0d2daff7fd9a8499d63b6797d495bc69c23e81ed2232f823cd