[INFO] fetching crate frag 0.1.6...
[INFO] checking frag-0.1.6 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate frag 0.1.6 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate frag 0.1.6 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate frag 0.1.6
[INFO] finished tweaking crates.io crate frag 0.1.6
[INFO] tweaked toml for crates.io crate frag 0.1.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate frag 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kqueue v1.0.8
[INFO] [stderr]   Downloaded hotwatch v0.5.0
[INFO] [stderr]   Downloaded miniz_oxide v0.7.3
[INFO] [stderr]   Downloaded inotify-sys v0.1.5
[INFO] [stderr]   Downloaded file-id v0.1.0
[INFO] [stderr]   Downloaded fsevent-sys v4.1.0
[INFO] [stderr]   Downloaded kqueue-sys v1.0.4
[INFO] [stderr]   Downloaded gl v0.14.0
[INFO] [stderr]   Downloaded notify v6.1.1
[INFO] [stderr]   Downloaded inotify v0.9.6
[INFO] [stderr]   Downloaded flate2 v1.0.25
[INFO] [stderr]   Downloaded sdl2 v0.36.0
[INFO] [stderr]   Downloaded notify-debouncer-full v0.1.0
[INFO] [stderr]   Downloaded sdl2-sys v0.36.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9d9740c9a1ce5fe8c611918bad34c06e4aa00c9c09f384ba3ca6eef4eec9eff
[INFO] running `Command { std: "docker" "start" "-a" "f9d9740c9a1ce5fe8c611918bad34c06e4aa00c9c09f384ba3ca6eef4eec9eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9d9740c9a1ce5fe8c611918bad34c06e4aa00c9c09f384ba3ca6eef4eec9eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d9740c9a1ce5fe8c611918bad34c06e4aa00c9c09f384ba3ca6eef4eec9eff", kill_on_drop: false }`
[INFO] [stdout] f9d9740c9a1ce5fe8c611918bad34c06e4aa00c9c09f384ba3ca6eef4eec9eff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a9d2aaccdf987d5c439aa5b4ee2339e70bd4029b2b2405531171e32535ca3aa
[INFO] running `Command { std: "docker" "start" "-a" "3a9d2aaccdf987d5c439aa5b4ee2339e70bd4029b2b2405531171e32535ca3aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking file-id v0.1.0
[INFO] [stderr]    Compiling sdl2 v0.36.0
[INFO] [stderr]    Compiling sdl2-sys v0.36.0
[INFO] [stderr]     Checking miniz_oxide v0.7.3
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking notify-debouncer-full v0.1.0
[INFO] [stderr]     Checking hotwatch v0.5.0
[INFO] [stderr]     Checking frag v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.05s
[INFO] running `Command { std: "docker" "inspect" "3a9d2aaccdf987d5c439aa5b4ee2339e70bd4029b2b2405531171e32535ca3aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9d2aaccdf987d5c439aa5b4ee2339e70bd4029b2b2405531171e32535ca3aa", kill_on_drop: false }`
[INFO] [stdout] 3a9d2aaccdf987d5c439aa5b4ee2339e70bd4029b2b2405531171e32535ca3aa