[INFO] fetching crate brokaw 0.2.0...
[INFO] checking brokaw-0.2.0 against beta for pr-78714
[INFO] extracting crate brokaw 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate brokaw 0.2.0 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 crates.io crate brokaw 0.2.0
[INFO] finished tweaking crates.io crate brokaw 0.2.0
[INFO] tweaked toml for crates.io crate brokaw 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate brokaw 0.2.0 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] 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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1277e4ae4ad04f0f31451e928fcc476783275ae137d4261cf2a76d1200f8cfb8
[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" "1277e4ae4ad04f0f31451e928fcc476783275ae137d4261cf2a76d1200f8cfb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1277e4ae4ad04f0f31451e928fcc476783275ae137d4261cf2a76d1200f8cfb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1277e4ae4ad04f0f31451e928fcc476783275ae137d4261cf2a76d1200f8cfb8", kill_on_drop: false }`
[INFO] [stdout] 1277e4ae4ad04f0f31451e928fcc476783275ae137d4261cf2a76d1200f8cfb8
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d74a5cb78e156f56e2c659a950dc7cc83bf19b963f1f8c5e7de9ef3de478cb8
[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" "7d74a5cb78e156f56e2c659a950dc7cc83bf19b963f1f8c5e7de9ef3de478cb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cc v1.0.55
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling num_enum_derive v0.5.0
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking num_enum v0.5.0
[INFO] [stderr]     Checking brokaw v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.75s
[INFO] running `Command { std: "docker" "inspect" "7d74a5cb78e156f56e2c659a950dc7cc83bf19b963f1f8c5e7de9ef3de478cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d74a5cb78e156f56e2c659a950dc7cc83bf19b963f1f8c5e7de9ef3de478cb8", kill_on_drop: false }`
[INFO] [stdout] 7d74a5cb78e156f56e2c659a950dc7cc83bf19b963f1f8c5e7de9ef3de478cb8