[INFO] cloning repository https://github.com/hauleth/amigo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hauleth/amigo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhauleth%2Famigo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhauleth%2Famigo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f21301bd588540dbcc63d0bf69df408d3566d7c2
[INFO] checking hauleth/amigo against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhauleth%2Famigo" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hauleth/amigo on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hauleth/amigo
[INFO] finished tweaking git repo https://github.com/hauleth/amigo
[INFO] tweaked toml for git repo https://github.com/hauleth/amigo written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/hauleth/amigo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b75262bd3a9c91f375ed619a490ff37dab6e426357c0ecd516d03c9d8b118f87
[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" "b75262bd3a9c91f375ed619a490ff37dab6e426357c0ecd516d03c9d8b118f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b75262bd3a9c91f375ed619a490ff37dab6e426357c0ecd516d03c9d8b118f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75262bd3a9c91f375ed619a490ff37dab6e426357c0ecd516d03c9d8b118f87", kill_on_drop: false }`
[INFO] [stdout] b75262bd3a9c91f375ed619a490ff37dab6e426357c0ecd516d03c9d8b118f87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cae34ea583100f7825fed62e1a6947bb9a44f50bdde042fad4417302cc4eab7
[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" "9cae34ea583100f7825fed62e1a6947bb9a44f50bdde042fad4417302cc4eab7", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking num-traits v0.2.3
[INFO] [stderr]     Checking serde v1.0.55
[INFO] [stderr]     Checking histogram v0.6.9
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]     Checking phf v0.7.22
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling syn v0.13.7
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking num-integer v0.1.37
[INFO] [stderr]     Checking num-iter v0.1.36
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling palette v0.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling num-derive v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.55
[INFO] [stderr]     Checking serde_json v1.0.17
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking flame v0.2.2
[INFO] [stderr]     Checking amigo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.20s
[INFO] running `Command { std: "docker" "inspect" "9cae34ea583100f7825fed62e1a6947bb9a44f50bdde042fad4417302cc4eab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cae34ea583100f7825fed62e1a6947bb9a44f50bdde042fad4417302cc4eab7", kill_on_drop: false }`
[INFO] [stdout] 9cae34ea583100f7825fed62e1a6947bb9a44f50bdde042fad4417302cc4eab7