[INFO] fetching crate supports-unicode--used-for-pirs 1.0.3...
[INFO] crate supports-unicode--used-for-pirs 1.0.3 is already in cache
[INFO] crate supports-unicode--used-for-pirs 1.0.3 is already in cache
[INFO] crate supports-unicode--used-for-pirs 1.0.3 is already in cache
[INFO] crate supports-unicode--used-for-pirs 1.0.3 is already in cache
[INFO] crate supports-unicode--used-for-pirs 1.0.3 is already in cache
[INFO] crate supports-unicode--used-for-pirs 1.0.3 is already in cache
[INFO] crate supports-unicode--used-for-pirs 1.0.3 is already in cache
[INFO] crate supports-unicode--used-for-pirs 1.0.3 is already in cache
[INFO] crate supports-unicode--used-for-pirs 1.0.3 is already in cache
[INFO] crate supports-unicode--used-for-pirs 1.0.3 is already in cache
[INFO] crate supports-unicode--used-for-pirs 1.0.3 is already in cache
[INFO] crate supports-unicode--used-for-pirs 1.0.3 is already in cache
[INFO] crate supports-unicode--used-for-pirs 1.0.3 is already in cache
[INFO] crate supports-unicode--used-for-pirs 1.0.3 is already in cache
[INFO] checking supports-unicode--used-for-pirs-1.0.3 against master#21de280cccb4eb02ead6bf0af40e2355a9136d6f for pr-100043
[INFO] extracting crate supports-unicode--used-for-pirs 1.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate supports-unicode--used-for-pirs 1.0.3 on toolchain 21de280cccb4eb02ead6bf0af40e2355a9136d6f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate supports-unicode--used-for-pirs 1.0.3
[INFO] finished tweaking crates.io crate supports-unicode--used-for-pirs 1.0.3
[INFO] tweaked toml for crates.io crate supports-unicode--used-for-pirs 1.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 256ad115cf9da00d0603e099b5f93e4159e69adeb3a095b4c85612f4f109bd9c
[INFO] running `Command { std: "docker" "start" "-a" "256ad115cf9da00d0603e099b5f93e4159e69adeb3a095b4c85612f4f109bd9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "256ad115cf9da00d0603e099b5f93e4159e69adeb3a095b4c85612f4f109bd9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256ad115cf9da00d0603e099b5f93e4159e69adeb3a095b4c85612f4f109bd9c", kill_on_drop: false }`
[INFO] [stdout] 256ad115cf9da00d0603e099b5f93e4159e69adeb3a095b4c85612f4f109bd9c
[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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3d7aab8a020432ee99157adbbd845c8f66460589a5a43ea67d5067804d10fc1
[INFO] running `Command { std: "docker" "start" "-a" "a3d7aab8a020432ee99157adbbd845c8f66460589a5a43ea67d5067804d10fc1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking supports-unicode--used-for-pirs v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `supports_unicode__used_for_pirs` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `supports_unicode_used_for_pirs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `supports_unicode__used_for_pirs` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `supports_unicode_used_for_pirs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "a3d7aab8a020432ee99157adbbd845c8f66460589a5a43ea67d5067804d10fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3d7aab8a020432ee99157adbbd845c8f66460589a5a43ea67d5067804d10fc1", kill_on_drop: false }`
[INFO] [stdout] a3d7aab8a020432ee99157adbbd845c8f66460589a5a43ea67d5067804d10fc1