[INFO] cloning repository https://github.com/jimblandy/hexes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimblandy/hexes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Fhexes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Fhexes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d6d5a7a5482b8b8475996b2cb851f76885fb3c7
[INFO] checking jimblandy/hexes against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Fhexes" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jimblandy/hexes 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/jimblandy/hexes
[INFO] finished tweaking git repo https://github.com/jimblandy/hexes
[INFO] tweaked toml for git repo https://github.com/jimblandy/hexes written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jimblandy/hexes 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-demangle v0.1.3
[INFO] [stderr]   Downloaded android_glue v0.2.1
[INFO] [stderr]   Downloaded phf_shared v0.7.20
[INFO] [stderr]   Downloaded dlib v0.3.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.5
[INFO] [stderr]   Downloaded rustc-serialize v0.3.22
[INFO] [stderr]   Downloaded lazy_static v0.2.2
[INFO] [stderr]   Downloaded gcc v0.3.41
[INFO] [stderr]   Downloaded libloading v0.3.1
[INFO] [stderr]   Downloaded serde v0.7.15
[INFO] [stderr]   Downloaded cgmath v0.12.0
[INFO] [stderr]   Downloaded phf_codegen v0.7.20
[INFO] [stderr]   Downloaded target_build_utils v0.1.2
[INFO] [stderr]   Downloaded glutin v0.6.2
[INFO] [stderr]   Downloaded glium v0.15.0
[INFO] [stderr]   Downloaded num-traits v0.1.36
[INFO] [stderr]   Downloaded shared_library v0.1.5
[INFO] [stderr]   Downloaded crossbeam v0.2.10
[INFO] [stderr]   Downloaded xml-rs v0.3.5
[INFO] [stderr]   Downloaded phf v0.7.20
[INFO] [stderr]   Downloaded phf_generator v0.7.20
[INFO] [stderr]   Downloaded serde v0.8.21
[INFO] [stderr]   Downloaded serde_json v0.8.4
[INFO] [stderr]   Downloaded x11-dl v2.12.0
[INFO] [stderr]   Downloaded gleam v0.2.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6e4badef3cbcb6ff2651abc2bca568f30431e33e247af674d9b32f9c5390fcf8
[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" "6e4badef3cbcb6ff2651abc2bca568f30431e33e247af674d9b32f9c5390fcf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e4badef3cbcb6ff2651abc2bca568f30431e33e247af674d9b32f9c5390fcf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e4badef3cbcb6ff2651abc2bca568f30431e33e247af674d9b32f9c5390fcf8", kill_on_drop: false }`
[INFO] [stdout] 6e4badef3cbcb6ff2651abc2bca568f30431e33e247af674d9b32f9c5390fcf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c26f542b1223aacaf28c83fedd92c409c462f03f13b2ef69dbadf8e4d8403dd
[INFO] running `Command { std: "docker" "start" "-a" "4c26f542b1223aacaf28c83fedd92c409c462f03f13b2ef69dbadf8e4d8403dd", 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" "4c26f542b1223aacaf28c83fedd92c409c462f03f13b2ef69dbadf8e4d8403dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c26f542b1223aacaf28c83fedd92c409c462f03f13b2ef69dbadf8e4d8403dd", kill_on_drop: false }`
[INFO] [stdout] 4c26f542b1223aacaf28c83fedd92c409c462f03f13b2ef69dbadf8e4d8403dd