[INFO] cloning repository https://github.com/mrLSD/reqrep-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrLSD/reqrep-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmrLSD%2Freqrep-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmrLSD%2Freqrep-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5eb06aefa94fdd2c9de1b44e3b05ab2d5f080ccb
[INFO] checking mrLSD/reqrep-rs against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmrLSD%2Freqrep-rs" "/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/mrLSD/reqrep-rs on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrLSD/reqrep-rs
[INFO] finished tweaking git repo https://github.com/mrLSD/reqrep-rs
[INFO] tweaked toml for git repo https://github.com/mrLSD/reqrep-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mrLSD/reqrep-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "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] 513ba028b479ed240a51ad59410a504fea20a2fad030183b3ac46b961eaed607
[INFO] running `Command { std: "docker" "start" "-a" "513ba028b479ed240a51ad59410a504fea20a2fad030183b3ac46b961eaed607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "513ba028b479ed240a51ad59410a504fea20a2fad030183b3ac46b961eaed607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "513ba028b479ed240a51ad59410a504fea20a2fad030183b3ac46b961eaed607", kill_on_drop: false }`
[INFO] [stdout] 513ba028b479ed240a51ad59410a504fea20a2fad030183b3ac46b961eaed607
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--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] 74ab7fc3f7d9e48e1cffd34de077f6e08b943e2d761b81a87f31434bc10738ae
[INFO] running `Command { std: "docker" "start" "-a" "74ab7fc3f7d9e48e1cffd34de077f6e08b943e2d761b81a87f31434bc10738ae", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.35
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking linked-hash-map v0.5.0
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking humantime v1.0.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking serde-value v0.5.1
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]    Compiling nanomsg-sys v0.6.2
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking nanomsg v0.6.2
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking log4rs v0.8.0
[INFO] [stderr]     Checking reqrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.02s
[INFO] running `Command { std: "docker" "inspect" "74ab7fc3f7d9e48e1cffd34de077f6e08b943e2d761b81a87f31434bc10738ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ab7fc3f7d9e48e1cffd34de077f6e08b943e2d761b81a87f31434bc10738ae", kill_on_drop: false }`
[INFO] [stdout] 74ab7fc3f7d9e48e1cffd34de077f6e08b943e2d761b81a87f31434bc10738ae