[INFO] cloning repository https://github.com/KlotzAndrew/concur
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KlotzAndrew/concur" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKlotzAndrew%2Fconcur", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKlotzAndrew%2Fconcur'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91d606d7c2bfb42b5d83464c6b5a4f6da33b5058
[INFO] checking KlotzAndrew/concur against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKlotzAndrew%2Fconcur" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KlotzAndrew/concur on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KlotzAndrew/concur
[INFO] finished tweaking git repo https://github.com/KlotzAndrew/concur
[INFO] tweaked toml for git repo https://github.com/KlotzAndrew/concur written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/KlotzAndrew/concur already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v0.9.1
[INFO] [stderr]   Downloaded itoa v0.4.3
[INFO] [stderr]   Downloaded serde_json v1.0.38
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded rustc-demangle v0.1.13
[INFO] [stderr]   Downloaded ryu v0.2.7
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
[INFO] [stderr]   Downloaded unicode-normalization v0.1.8
[INFO] [stderr]   Downloaded lazy_static v1.2.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.1.2
[INFO] [stderr]   Downloaded getopts v0.2.18
[INFO] [stderr]   Downloaded cargo_metadata v0.5.8
[INFO] [stderr]   Downloaded quote v0.6.11
[INFO] [stderr]   Downloaded toml v0.4.10
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded autocfg v0.1.2
[INFO] [stderr]   Downloaded cc v1.0.29
[INFO] [stderr]   Downloaded idna v0.1.5
[INFO] [stderr]   Downloaded libc v0.2.45
[INFO] [stderr]   Downloaded backtrace-sys v0.1.28
[INFO] [stderr]   Downloaded rand v0.5.5
[INFO] [stderr]   Downloaded uuid v0.7.1
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] [stderr]   Downloaded proc-macro2 v0.4.27
[INFO] [stderr]   Downloaded num-traits v0.2.6
[INFO] [stderr]   Downloaded serde_derive v1.0.88
[INFO] [stderr]   Downloaded quine-mc_cluskey v0.2.4
[INFO] [stderr]   Downloaded smallvec v0.6.9
[INFO] [stderr]   Downloaded regex v1.1.0
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded serde v1.0.88
[INFO] [stderr]   Downloaded rand_core v0.3.0
[INFO] [stderr]   Downloaded rand_core v0.2.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.5
[INFO] [stderr]   Downloaded either v1.5.1
[INFO] [stderr]   Downloaded backtrace v0.3.14
[INFO] [stderr]   Downloaded url v1.7.2
[INFO] [stderr]   Downloaded if_chain v0.1.3
[INFO] [stderr]   Downloaded itertools v0.7.11
[INFO] [stderr]   Downloaded syn v0.15.26
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded clippy_lints v0.0.212
[INFO] [stderr]   Downloaded clippy v0.0.212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f76742ea0e14e8e340b6cd9dc816f4b99f8ca2b0bb96b99552e9a012820d74f2
[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" "f76742ea0e14e8e340b6cd9dc816f4b99f8ca2b0bb96b99552e9a012820d74f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f76742ea0e14e8e340b6cd9dc816f4b99f8ca2b0bb96b99552e9a012820d74f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76742ea0e14e8e340b6cd9dc816f4b99f8ca2b0bb96b99552e9a012820d74f2", kill_on_drop: false }`
[INFO] [stdout] f76742ea0e14e8e340b6cd9dc816f4b99f8ca2b0bb96b99552e9a012820d74f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b000ee183e5edf6a2b5217c1b9bf35aabc1f0c9b4db2a94765c138c75a0ce5e
[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" "1b000ee183e5edf6a2b5217c1b9bf35aabc1f0c9b4db2a94765c138c75a0ce5e", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking concur v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "1b000ee183e5edf6a2b5217c1b9bf35aabc1f0c9b4db2a94765c138c75a0ce5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b000ee183e5edf6a2b5217c1b9bf35aabc1f0c9b4db2a94765c138c75a0ce5e", kill_on_drop: false }`
[INFO] [stdout] 1b000ee183e5edf6a2b5217c1b9bf35aabc1f0c9b4db2a94765c138c75a0ce5e