[INFO] cloning repository https://github.com/matt-h/mpd-pulse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matt-h/mpd-pulse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-h%2Fmpd-pulse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-h%2Fmpd-pulse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37dae05f9441480b58a6d153116e5d77b718b43e
[INFO] checking matt-h/mpd-pulse against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-h%2Fmpd-pulse" "/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/matt-h/mpd-pulse on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matt-h/mpd-pulse
[INFO] finished tweaking git repo https://github.com/matt-h/mpd-pulse
[INFO] tweaked toml for git repo https://github.com/matt-h/mpd-pulse written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/matt-h/mpd-pulse already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libpulse-binding v2.16.3
[INFO] [stderr]   Downloaded libpulse-sys v1.13.3
[INFO] [stderr]   Downloaded rust-pulsectl v0.2.6
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76c06acbb52ae3646cf93b75d3af50da365f88d06bfa62ace3e322228e3db1c1
[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" "76c06acbb52ae3646cf93b75d3af50da365f88d06bfa62ace3e322228e3db1c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76c06acbb52ae3646cf93b75d3af50da365f88d06bfa62ace3e322228e3db1c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c06acbb52ae3646cf93b75d3af50da365f88d06bfa62ace3e322228e3db1c1", kill_on_drop: false }`
[INFO] [stdout] 76c06acbb52ae3646cf93b75d3af50da365f88d06bfa62ace3e322228e3db1c1
[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=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" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "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] f1c3ecdf04e431e0012af3db05e8922c9d0a48ace0a229b243106edc4d133baf
[INFO] running `Command { std: "docker" "start" "-a" "f1c3ecdf04e431e0012af3db05e8922c9d0a48ace0a229b243106edc4d133baf", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libpulse-sys v1.13.3
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking libpulse-binding v2.16.3
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking rust-pulsectl v0.2.6
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Checking mpd-pulse v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.07s
[INFO] running `Command { std: "docker" "inspect" "f1c3ecdf04e431e0012af3db05e8922c9d0a48ace0a229b243106edc4d133baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c3ecdf04e431e0012af3db05e8922c9d0a48ace0a229b243106edc4d133baf", kill_on_drop: false }`
[INFO] [stdout] f1c3ecdf04e431e0012af3db05e8922c9d0a48ace0a229b243106edc4d133baf