[INFO] fetching crate freenukum 0.3.5...
[INFO] checking freenukum-0.3.5 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate freenukum 0.3.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate freenukum 0.3.5 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate freenukum 0.3.5
[INFO] finished tweaking crates.io crate freenukum 0.3.5
[INFO] tweaked toml for crates.io crate freenukum 0.3.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate freenukum 0.3.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc7c1e4d0b41064aa414febcf4ba6a7d08d32ad3ad39b12571cd59ff0f357983
[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" "cc7c1e4d0b41064aa414febcf4ba6a7d08d32ad3ad39b12571cd59ff0f357983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc7c1e4d0b41064aa414febcf4ba6a7d08d32ad3ad39b12571cd59ff0f357983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7c1e4d0b41064aa414febcf4ba6a7d08d32ad3ad39b12571cd59ff0f357983", kill_on_drop: false }`
[INFO] [stdout] cc7c1e4d0b41064aa414febcf4ba6a7d08d32ad3ad39b12571cd59ff0f357983
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb2d919b5f04a6367953aa44c45fd3eab4383f5f813a9da47bbafeacdfb811cf
[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" "cb2d919b5f04a6367953aa44c45fd3eab4383f5f813a9da47bbafeacdfb811cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]     Checking explode v0.1.2
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs-sys-next v0.1.1
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking zip v0.5.9
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking freenukum v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.47s
[INFO] running `Command { std: "docker" "inspect" "cb2d919b5f04a6367953aa44c45fd3eab4383f5f813a9da47bbafeacdfb811cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2d919b5f04a6367953aa44c45fd3eab4383f5f813a9da47bbafeacdfb811cf", kill_on_drop: false }`
[INFO] [stdout] cb2d919b5f04a6367953aa44c45fd3eab4383f5f813a9da47bbafeacdfb811cf