[INFO] fetching crate trk-io 0.17.0...
[INFO] checking trk-io-0.17.0 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate trk-io 0.17.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate trk-io 0.17.0 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trk-io 0.17.0
[INFO] finished tweaking crates.io crate trk-io 0.17.0
[INFO] tweaked toml for crates.io crate trk-io 0.17.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate trk-io 0.17.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nifti v0.11.0
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23b586ba45624aeb2027d8df944f4a6608bda4dec976b4f24f7596825049ba15
[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" "23b586ba45624aeb2027d8df944f4a6608bda4dec976b4f24f7596825049ba15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23b586ba45624aeb2027d8df944f4a6608bda4dec976b4f24f7596825049ba15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b586ba45624aeb2027d8df944f4a6608bda4dec976b4f24f7596825049ba15", kill_on_drop: false }`
[INFO] [stdout] 23b586ba45624aeb2027d8df944f4a6608bda4dec976b4f24f7596825049ba15
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecce92cbfd8d977e55fee0c161bd2e801510c59a5d43ef5d6f0f0961d04d3bae
[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" "ecce92cbfd8d977e55fee0c161bd2e801510c59a5d43ef5d6f0f0961d04d3bae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling paste v1.0.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking rand_distr v0.3.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking simba v0.3.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking nalgebra v0.23.1
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking trk-io v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "ecce92cbfd8d977e55fee0c161bd2e801510c59a5d43ef5d6f0f0961d04d3bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecce92cbfd8d977e55fee0c161bd2e801510c59a5d43ef5d6f0f0961d04d3bae", kill_on_drop: false }`
[INFO] [stdout] ecce92cbfd8d977e55fee0c161bd2e801510c59a5d43ef5d6f0f0961d04d3bae