[INFO] cloning repository https://github.com/Alex6614/rust-qlearning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alex6614/rust-qlearning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex6614%2Frust-qlearning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex6614%2Frust-qlearning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 141004a711afa6650b68e57f58a42dc1a4ac7e09
[INFO] checking Alex6614/rust-qlearning against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex6614%2Frust-qlearning" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Alex6614/rust-qlearning on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Alex6614/rust-qlearning
[INFO] finished tweaking git repo https://github.com/Alex6614/rust-qlearning
[INFO] tweaked toml for git repo https://github.com/Alex6614/rust-qlearning written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Alex6614/rust-qlearning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d3071d5c37060f6e48c4b09e4ade8466cca701e0449c35d474930423333ee7e
[INFO] running `Command { std: "docker" "start" "-a" "4d3071d5c37060f6e48c4b09e4ade8466cca701e0449c35d474930423333ee7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d3071d5c37060f6e48c4b09e4ade8466cca701e0449c35d474930423333ee7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3071d5c37060f6e48c4b09e4ade8466cca701e0449c35d474930423333ee7e", kill_on_drop: false }`
[INFO] [stdout] 4d3071d5c37060f6e48c4b09e4ade8466cca701e0449c35d474930423333ee7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36c00ef9110f6b2be78155fc1b4d40c9137c2419ae44b2656c543b35f1f8c69e
[INFO] running `Command { std: "docker" "start" "-a" "36c00ef9110f6b2be78155fc1b4d40c9137c2419ae44b2656c543b35f1f8c69e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.10
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking main v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "36c00ef9110f6b2be78155fc1b4d40c9137c2419ae44b2656c543b35f1f8c69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c00ef9110f6b2be78155fc1b4d40c9137c2419ae44b2656c543b35f1f8c69e", kill_on_drop: false }`
[INFO] [stdout] 36c00ef9110f6b2be78155fc1b4d40c9137c2419ae44b2656c543b35f1f8c69e