[INFO] cloning repository https://github.com/wdullaer/scotty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wdullaer/scotty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwdullaer%2Fscotty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwdullaer%2Fscotty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ba923fa31a96317f26ce2d3cea1cdd3dd43f520
[INFO] checking wdullaer/scotty against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwdullaer%2Fscotty" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wdullaer/scotty on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wdullaer/scotty
[INFO] finished tweaking git repo https://github.com/wdullaer/scotty
[INFO] tweaked toml for git repo https://github.com/wdullaer/scotty written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/wdullaer/scotty already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", 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] 7596242c39f3f7f192e1f42f0e20a806e2869d96b3f9ff9f9122adfcd5612b64
[INFO] running `Command { std: "docker" "start" "-a" "7596242c39f3f7f192e1f42f0e20a806e2869d96b3f9ff9f9122adfcd5612b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7596242c39f3f7f192e1f42f0e20a806e2869d96b3f9ff9f9122adfcd5612b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7596242c39f3f7f192e1f42f0e20a806e2869d96b3f9ff9f9122adfcd5612b64", kill_on_drop: false }`
[INFO] [stdout] 7596242c39f3f7f192e1f42f0e20a806e2869d96b3f9ff9f9122adfcd5612b64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 267107aac839096250bb2d02441ed665968383eb1f0d5a64f025e9a4b5a57dec
[INFO] running `Command { std: "docker" "start" "-a" "267107aac839096250bb2d02441ed665968383eb1f0d5a64f025e9a4b5a57dec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling fst v0.4.5
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking tabwriter v1.2.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking thread_local v1.0.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking sled v0.34.6
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking scotty v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "267107aac839096250bb2d02441ed665968383eb1f0d5a64f025e9a4b5a57dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267107aac839096250bb2d02441ed665968383eb1f0d5a64f025e9a4b5a57dec", kill_on_drop: false }`
[INFO] [stdout] 267107aac839096250bb2d02441ed665968383eb1f0d5a64f025e9a4b5a57dec