[INFO] cloning repository https://github.com/tatref/mem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tatref/mem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftatref%2Fmem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftatref%2Fmem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4253fc7070d62ae0268df66904488c8330a15d72
[INFO] checking tatref/mem against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftatref%2Fmem" "/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/tatref/mem on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tatref/mem
[INFO] finished tweaking git repo https://github.com/tatref/mem
[INFO] tweaked toml for git repo https://github.com/tatref/mem written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tatref/mem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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] 18238fca9c6f52c1bd344312b645578f603b33636ed8f578d6b6dc4661d8b63d
[INFO] running `Command { std: "docker" "start" "-a" "18238fca9c6f52c1bd344312b645578f603b33636ed8f578d6b6dc4661d8b63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18238fca9c6f52c1bd344312b645578f603b33636ed8f578d6b6dc4661d8b63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18238fca9c6f52c1bd344312b645578f603b33636ed8f578d6b6dc4661d8b63d", kill_on_drop: false }`
[INFO] [stdout] 18238fca9c6f52c1bd344312b645578f603b33636ed8f578d6b6dc4661d8b63d
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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] 19a775421d3e3bb6a4fd135ee0a4dceb6c2c0bd1213205218bd9d134d15c765e
[INFO] running `Command { std: "docker" "start" "-a" "19a775421d3e3bb6a4fd135ee0a4dceb6c2c0bd1213205218bd9d134d15c765e", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking regex-syntax v0.6.8
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking memprocreader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.57s
[INFO] running `Command { std: "docker" "inspect" "19a775421d3e3bb6a4fd135ee0a4dceb6c2c0bd1213205218bd9d134d15c765e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a775421d3e3bb6a4fd135ee0a4dceb6c2c0bd1213205218bd9d134d15c765e", kill_on_drop: false }`
[INFO] [stdout] 19a775421d3e3bb6a4fd135ee0a4dceb6c2c0bd1213205218bd9d134d15c765e