[INFO] cloning repository https://github.com/3c1u/maysick
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/3c1u/maysick" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3c1u%2Fmaysick", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3c1u%2Fmaysick'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06def1cc35281607b58fbf2d8b23284135cf41ed
[INFO] checking 3c1u/maysick against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3c1u%2Fmaysick" "/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/3c1u/maysick 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/3c1u/maysick
[INFO] finished tweaking git repo https://github.com/3c1u/maysick
[INFO] tweaked toml for git repo https://github.com/3c1u/maysick written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/3c1u/maysick 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-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec913fa3a2269fc143c16097ec8066a4e51e9e5a513521f795886bfa52762a76
[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" "ec913fa3a2269fc143c16097ec8066a4e51e9e5a513521f795886bfa52762a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec913fa3a2269fc143c16097ec8066a4e51e9e5a513521f795886bfa52762a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec913fa3a2269fc143c16097ec8066a4e51e9e5a513521f795886bfa52762a76", kill_on_drop: false }`
[INFO] [stdout] ec913fa3a2269fc143c16097ec8066a4e51e9e5a513521f795886bfa52762a76
[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" "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] [stdout] 7dabb3b2c4e3215b77e6140c467fb6147a3a70e66eb9072aa0c2d68ef7bf8ecd
[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" "7dabb3b2c4e3215b77e6140c467fb6147a3a70e66eb9072aa0c2d68ef7bf8ecd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking murmur3 v0.4.1
[INFO] [stderr]     Checking encoding_rs v0.8.26
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rustc_lexer v0.1.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.41
[INFO] [stderr]     Checking antlr-rust v0.1.4
[INFO] [stderr]     Checking maysick v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.24s
[INFO] running `Command { std: "docker" "inspect" "7dabb3b2c4e3215b77e6140c467fb6147a3a70e66eb9072aa0c2d68ef7bf8ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dabb3b2c4e3215b77e6140c467fb6147a3a70e66eb9072aa0c2d68ef7bf8ecd", kill_on_drop: false }`
[INFO] [stdout] 7dabb3b2c4e3215b77e6140c467fb6147a3a70e66eb9072aa0c2d68ef7bf8ecd