[INFO] cloning repository https://github.com/DiveFish/ambiguity-stats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DiveFish/ambiguity-stats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiveFish%2Fambiguity-stats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiveFish%2Fambiguity-stats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e469c4db8599c6c91735609392a307ca87dec1c8
[INFO] checking DiveFish/ambiguity-stats against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiveFish%2Fambiguity-stats" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DiveFish/ambiguity-stats on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DiveFish/ambiguity-stats
[INFO] finished tweaking git repo https://github.com/DiveFish/ambiguity-stats
[INFO] tweaked toml for git repo https://github.com/DiveFish/ambiguity-stats written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/DiveFish/ambiguity-stats already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded textwrap v0.9.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.37
[INFO] [stderr]   Downloaded failure_derive v0.1.1
[INFO] [stderr]   Downloaded atty v0.2.10
[INFO] [stderr]   Downloaded conllx v0.10.2
[INFO] [stderr]   Downloaded cc v1.0.15
[INFO] [stderr]   Downloaded synstructure v0.6.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.16
[INFO] [stderr]   Downloaded miniz-sys v0.1.10
[INFO] [stderr]   Downloaded failure v0.1.1
[INFO] [stderr]   Downloaded clap v2.31.2
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded cfg-if v0.1.3
[INFO] [stderr]   Downloaded rustc-demangle v0.1.8
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded itertools v0.7.8
[INFO] [stderr]   Downloaded libc v0.2.40
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded lazy-init v0.3.0
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] [stderr]   Downloaded backtrace v0.3.7
[INFO] [stderr]   Downloaded lazy_static v1.0.1
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded flate2 v0.2.20
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded either v1.5.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3e18635f6bcedc974cbaef04e46dc1a72f8941b15835a547af4cb55ac048495
[INFO] running `Command { std: "docker" "start" "-a" "f3e18635f6bcedc974cbaef04e46dc1a72f8941b15835a547af4cb55ac048495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3e18635f6bcedc974cbaef04e46dc1a72f8941b15835a547af4cb55ac048495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e18635f6bcedc974cbaef04e46dc1a72f8941b15835a547af4cb55ac048495", kill_on_drop: false }`
[INFO] [stdout] f3e18635f6bcedc974cbaef04e46dc1a72f8941b15835a547af4cb55ac048495
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 595ecf29b76e39710a63cc0918a1af1b43ddd1e6bf608b815c48d0af8ef87d43
[INFO] running `Command { std: "docker" "start" "-a" "595ecf29b76e39710a63cc0918a1af1b43ddd1e6bf608b815c48d0af8ef87d43", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "595ecf29b76e39710a63cc0918a1af1b43ddd1e6bf608b815c48d0af8ef87d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "595ecf29b76e39710a63cc0918a1af1b43ddd1e6bf608b815c48d0af8ef87d43", kill_on_drop: false }`
[INFO] [stdout] 595ecf29b76e39710a63cc0918a1af1b43ddd1e6bf608b815c48d0af8ef87d43