[INFO] fetching crate maketorrent 0.1.0...
[INFO] checking maketorrent-0.1.0 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate maketorrent 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate maketorrent 0.1.0 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maketorrent 0.1.0
[INFO] finished tweaking crates.io crate maketorrent 0.1.0
[INFO] tweaked toml for crates.io crate maketorrent 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pbr v1.0.3
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded crossbeam v0.3.2
[INFO] [stderr]   Downloaded bip_bencode v0.4.4
[INFO] [stderr]   Downloaded bip_metainfo v0.12.0
[INFO] [stderr]   Downloaded bip_util v0.5.0
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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] caa98662c4781e1609a63aa45c79add2ae5d037c6ba0578e468f6d59bbb7659d
[INFO] running `Command { std: "docker" "start" "-a" "caa98662c4781e1609a63aa45c79add2ae5d037c6ba0578e468f6d59bbb7659d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caa98662c4781e1609a63aa45c79add2ae5d037c6ba0578e468f6d59bbb7659d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa98662c4781e1609a63aa45c79add2ae5d037c6ba0578e468f6d59bbb7659d", kill_on_drop: false }`
[INFO] [stdout] caa98662c4781e1609a63aa45c79add2ae5d037c6ba0578e468f6d59bbb7659d
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 260cb9dcafda35ccd7735640ad4ce5f10e16061034a87e839b058ed26fbc51b1
[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" "260cb9dcafda35ccd7735640ad4ce5f10e16061034a87e839b058ed26fbc51b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking pbr v1.0.3
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking bip_bencode v0.4.4
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking bip_util v0.5.0
[INFO] [stderr]     Checking bip_metainfo v0.12.0
[INFO] [stderr]     Checking maketorrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.59s
[INFO] running `Command { std: "docker" "inspect" "260cb9dcafda35ccd7735640ad4ce5f10e16061034a87e839b058ed26fbc51b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260cb9dcafda35ccd7735640ad4ce5f10e16061034a87e839b058ed26fbc51b1", kill_on_drop: false }`
[INFO] [stdout] 260cb9dcafda35ccd7735640ad4ce5f10e16061034a87e839b058ed26fbc51b1