[INFO] cloning repository https://github.com/catupper/se-button
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/catupper/se-button" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatupper%2Fse-button", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatupper%2Fse-button'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2a68b37c774d92390edfb38c89ab105a65b072b
[INFO] checking catupper/se-button against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatupper%2Fse-button" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/catupper/se-button on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/catupper/se-button
[INFO] finished tweaking git repo https://github.com/catupper/se-button
[INFO] tweaked toml for git repo https://github.com/catupper/se-button written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/catupper/se-button already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f8b6aa165510e3c0cbf5c8e6eff2a4a5c447d3cb123c07f5f5de160785e31f0
[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" "3f8b6aa165510e3c0cbf5c8e6eff2a4a5c447d3cb123c07f5f5de160785e31f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f8b6aa165510e3c0cbf5c8e6eff2a4a5c447d3cb123c07f5f5de160785e31f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8b6aa165510e3c0cbf5c8e6eff2a4a5c447d3cb123c07f5f5de160785e31f0", kill_on_drop: false }`
[INFO] [stdout] 3f8b6aa165510e3c0cbf5c8e6eff2a4a5c447d3cb123c07f5f5de160785e31f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d8e98fdbf265b35d896734acebd356e3c40d3e1546d6325a1e930b13e260ecb
[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" "8d8e98fdbf265b35d896734acebd356e3c40d3e1546d6325a1e930b13e260ecb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking input-event-codes v0.2.1
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling device_query v0.2.4
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking x11 v2.18.2
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]     Checking id3 v0.5.1
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking alsa v0.2.2
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]     Checking midir v0.6.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking rodio v0.9.0
[INFO] [stderr]     Checking se_button v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.95s
[INFO] running `Command { std: "docker" "inspect" "8d8e98fdbf265b35d896734acebd356e3c40d3e1546d6325a1e930b13e260ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d8e98fdbf265b35d896734acebd356e3c40d3e1546d6325a1e930b13e260ecb", kill_on_drop: false }`
[INFO] [stdout] 8d8e98fdbf265b35d896734acebd356e3c40d3e1546d6325a1e930b13e260ecb