[INFO] cloning repository https://github.com/girtsf/rust-ff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/girtsf/rust-ff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgirtsf%2Frust-ff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgirtsf%2Frust-ff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63af8f8524994e6b7e2f0b6332ebc311287be1a6
[INFO] checking girtsf/rust-ff against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgirtsf%2Frust-ff" "/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/girtsf/rust-ff 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/girtsf/rust-ff
[INFO] finished tweaking git repo https://github.com/girtsf/rust-ff
[INFO] tweaked toml for git repo https://github.com/girtsf/rust-ff written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/girtsf/rust-ff 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 utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.37
[INFO] [stderr]   Downloaded atty v0.2.10
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded isatty v0.1.7
[INFO] [stderr]   Downloaded ucd-util v0.1.1
[INFO] [stderr]   Downloaded lazy_static v1.0.0
[INFO] [stderr]   Downloaded libc v0.2.40
[INFO] [stderr]   Downloaded same-file v1.0.2
[INFO] [stderr]   Downloaded walkdir v2.1.4
[INFO] [stderr]   Downloaded aho-corasick v0.6.4
[INFO] [stderr]   Downloaded memchr v2.0.1
[INFO] [stderr]   Downloaded textwrap v0.9.0
[INFO] [stderr]   Downloaded clap v2.31.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.0
[INFO] [stderr]   Downloaded regex v1.0.0
[INFO] [stderr]   Downloaded colored v1.6.0
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded winapi v0.3.4
[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] 73c0f76e04969838de5d616ede657cd3371e34c1a8ebeea3b3d732c42e22768c
[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" "73c0f76e04969838de5d616ede657cd3371e34c1a8ebeea3b3d732c42e22768c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73c0f76e04969838de5d616ede657cd3371e34c1a8ebeea3b3d732c42e22768c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c0f76e04969838de5d616ede657cd3371e34c1a8ebeea3b3d732c42e22768c", kill_on_drop: false }`
[INFO] [stdout] 73c0f76e04969838de5d616ede657cd3371e34c1a8ebeea3b3d732c42e22768c
[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] [stdout] d6aa0c74dd61b37f65f4b68ae73863d5eb2ff1039f64a327e29ac8188b7f3b75
[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" "d6aa0c74dd61b37f65f4b68ae73863d5eb2ff1039f64a327e29ac8188b7f3b75", 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" "d6aa0c74dd61b37f65f4b68ae73863d5eb2ff1039f64a327e29ac8188b7f3b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6aa0c74dd61b37f65f4b68ae73863d5eb2ff1039f64a327e29ac8188b7f3b75", kill_on_drop: false }`
[INFO] [stdout] d6aa0c74dd61b37f65f4b68ae73863d5eb2ff1039f64a327e29ac8188b7f3b75