[INFO] cloning repository https://github.com/bugabinga/buga_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bugabinga/buga_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbugabinga%2Fbuga_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbugabinga%2Fbuga_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d9e8077a9e8b10b0990482d6ac8174a609d4234
[INFO] checking bugabinga/buga_os against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbugabinga%2Fbuga_os" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bugabinga/buga_os 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/bugabinga/buga_os
[INFO] finished tweaking git repo https://github.com/bugabinga/buga_os
[INFO] tweaked toml for git repo https://github.com/bugabinga/buga_os written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate git repo https://github.com/bugabinga/buga_os 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 lazy_static v1.0.0
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.4
[INFO] [stderr]   Downloaded url v1.7.0
[INFO] [stderr]   Downloaded matches v0.1.6
[INFO] [stderr]   Downloaded libc v0.2.40
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded if_chain v0.1.2
[INFO] [stderr]   Downloaded itoa v0.4.1
[INFO] [stderr]   Downloaded backtrace v0.3.7
[INFO] [stderr]   Downloaded spin v0.4.8
[INFO] [stderr]   Downloaded volatile v0.2.4
[INFO] [stderr]   Downloaded error-chain v0.11.0
[INFO] [stderr]   Downloaded dtoa v0.4.2
[INFO] [stderr]   Downloaded cfg-if v0.1.3
[INFO] [stderr]   Downloaded cc v1.0.15
[INFO] [stderr]   Downloaded quine-mc_cluskey v0.2.4
[INFO] [stderr]   Downloaded rustc-demangle v0.1.8
[INFO] [stderr]   Downloaded serde_derive v1.0.52
[INFO] [stderr]   Downloaded pulldown-cmark v0.1.2
[INFO] [stderr]   Downloaded backtrace-sys v0.1.16
[INFO] [stderr]   Downloaded cargo_metadata v0.5.4
[INFO] [stderr]   Downloaded quote v0.5.2
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded syn v0.13.7
[INFO] [stderr]   Downloaded ucd-util v0.1.1
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded serde_json v1.0.17
[INFO] [stderr]   Downloaded serde v1.0.52
[INFO] [stderr]   Downloaded getopts v0.2.17
[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded idna v0.1.4
[INFO] [stderr]   Downloaded clippy_lints v0.0.197
[INFO] [stderr]   Downloaded clippy v0.0.197
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 8a81a4f3185d8622d72148aa4f58b383734985bbff12c29097d849b410079e45
[INFO] running `Command { std: "docker" "start" "-a" "8a81a4f3185d8622d72148aa4f58b383734985bbff12c29097d849b410079e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a81a4f3185d8622d72148aa4f58b383734985bbff12c29097d849b410079e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a81a4f3185d8622d72148aa4f58b383734985bbff12c29097d849b410079e45", kill_on_drop: false }`
[INFO] [stdout] 8a81a4f3185d8622d72148aa4f58b383734985bbff12c29097d849b410079e45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 8945aa70cf7df96106f6d0cd3347e9f741b334476cc36ae354991e9cd329a6e0
[INFO] running `Command { std: "docker" "start" "-a" "8945aa70cf7df96106f6d0cd3347e9f741b334476cc36ae354991e9cd329a6e0", 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" "8945aa70cf7df96106f6d0cd3347e9f741b334476cc36ae354991e9cd329a6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8945aa70cf7df96106f6d0cd3347e9f741b334476cc36ae354991e9cd329a6e0", kill_on_drop: false }`
[INFO] [stdout] 8945aa70cf7df96106f6d0cd3347e9f741b334476cc36ae354991e9cd329a6e0