[INFO] fetching crate mack 1.0.1...
[INFO] checking mack-1.0.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate mack 1.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mack 1.0.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mack 1.0.1
[INFO] finished tweaking crates.io crate mack 1.0.1
[INFO] tweaked toml for crates.io crate mack 1.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate mack 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded walkdir v2.3.1
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded aho-corasick v0.7.10
[INFO] [stderr]   Downloaded hermit-abi v0.1.13
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded regex v1.3.7
[INFO] [stderr]   Downloaded regex-syntax v0.6.17
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] [stderr]   Downloaded clap v2.33.1
[INFO] [stderr]   Downloaded libc v0.2.70
[INFO] [stderr]   Downloaded same-file v1.0.6
[INFO] [stderr]   Downloaded taglib v1.0.0
[INFO] [stderr]   Downloaded taglib-sys v1.0.0
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed0f15296631ffd137d34d15447ca5abb91ae808cb253b7e5f0705306c4bda20
[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" "ed0f15296631ffd137d34d15447ca5abb91ae808cb253b7e5f0705306c4bda20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed0f15296631ffd137d34d15447ca5abb91ae808cb253b7e5f0705306c4bda20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed0f15296631ffd137d34d15447ca5abb91ae808cb253b7e5f0705306c4bda20", kill_on_drop: false }`
[INFO] [stdout] ed0f15296631ffd137d34d15447ca5abb91ae808cb253b7e5f0705306c4bda20
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bf44ef18c454078c7c9d51d222cd21229bd8d9eb73790c08ed120b1bb75a53a
[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" "4bf44ef18c454078c7c9d51d222cd21229bd8d9eb73790c08ed120b1bb75a53a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling taglib-sys v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking taglib v1.0.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking mack v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.08s
[INFO] running `Command { std: "docker" "inspect" "4bf44ef18c454078c7c9d51d222cd21229bd8d9eb73790c08ed120b1bb75a53a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf44ef18c454078c7c9d51d222cd21229bd8d9eb73790c08ed120b1bb75a53a", kill_on_drop: false }`
[INFO] [stdout] 4bf44ef18c454078c7c9d51d222cd21229bd8d9eb73790c08ed120b1bb75a53a