[INFO] crate poston 0.3.1 is already in cache
[INFO] extracting crate poston 0.3.1 into work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/poston/0.3.1
[INFO] extracting crate poston 0.3.1 into work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/poston/0.3.1
[INFO] validating manifest of poston-0.3.1 on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of poston-0.3.1 on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing poston-0.3.1
[INFO] finished frobbing poston-0.3.1
[INFO] frobbed toml for poston-0.3.1 written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/poston/0.3.1/Cargo.toml
[INFO] started frobbing poston-0.3.1
[INFO] finished frobbing poston-0.3.1
[INFO] frobbed toml for poston-0.3.1 written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/poston/0.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking poston-0.3.1 against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-4/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/poston/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 564ad4da5493de7413462ee79aa68a21e44dcf03f702bcaef528a924c38a41e7
[INFO] running `"docker" "start" "-a" "564ad4da5493de7413462ee79aa68a21e44dcf03f702bcaef528a924c38a41e7"`
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling proc-macro2 v0.4.25
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking rand v0.4.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking backoff v0.1.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]     Checking poston v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `"docker" "inspect" "564ad4da5493de7413462ee79aa68a21e44dcf03f702bcaef528a924c38a41e7"`
[INFO] running `"docker" "rm" "-f" "564ad4da5493de7413462ee79aa68a21e44dcf03f702bcaef528a924c38a41e7"`
[INFO] [stdout] 564ad4da5493de7413462ee79aa68a21e44dcf03f702bcaef528a924c38a41e7