[INFO] fetching crate at51 0.4.1...
[INFO] checking at51-0.4.1 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate at51 0.4.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate at51 0.4.1 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate at51 0.4.1
[INFO] finished tweaking crates.io crate at51 0.4.1
[INFO] tweaked toml for crates.io crate at51 0.4.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 319bbd34dd660184df3d75e5eb62af1202fd70676fb9ddcb9799588ddda7b0b4
[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" "319bbd34dd660184df3d75e5eb62af1202fd70676fb9ddcb9799588ddda7b0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "319bbd34dd660184df3d75e5eb62af1202fd70676fb9ddcb9799588ddda7b0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "319bbd34dd660184df3d75e5eb62af1202fd70676fb9ddcb9799588ddda7b0b4", kill_on_drop: false }`
[INFO] [stdout] 319bbd34dd660184df3d75e5eb62af1202fd70676fb9ddcb9799588ddda7b0b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c9ef4a5afac32c038f5713cb16e8cdae5df9a7b13db58401b5affb72588dcce
[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" "6c9ef4a5afac32c038f5713cb16e8cdae5df9a7b13db58401b5affb72588dcce", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking transpose v0.1.0
[INFO] [stderr]     Checking ar v0.8.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rustfft v3.0.1
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking at51 v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.85s
[INFO] running `Command { std: "docker" "inspect" "6c9ef4a5afac32c038f5713cb16e8cdae5df9a7b13db58401b5affb72588dcce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9ef4a5afac32c038f5713cb16e8cdae5df9a7b13db58401b5affb72588dcce", kill_on_drop: false }`
[INFO] [stdout] 6c9ef4a5afac32c038f5713cb16e8cdae5df9a7b13db58401b5affb72588dcce