[INFO] crate generic_cong_avoid 0.2.1 is already in cache
[INFO] extracting crate generic_cong_avoid 0.2.1 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/generic_cong_avoid/0.2.1
[INFO] extracting crate generic_cong_avoid 0.2.1 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/generic_cong_avoid/0.2.1
[INFO] validating manifest of generic_cong_avoid-0.2.1 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of generic_cong_avoid-0.2.1 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing generic_cong_avoid-0.2.1
[INFO] finished frobbing generic_cong_avoid-0.2.1
[INFO] frobbed toml for generic_cong_avoid-0.2.1 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/generic_cong_avoid/0.2.1/Cargo.toml
[INFO] started frobbing generic_cong_avoid-0.2.1
[INFO] finished frobbing generic_cong_avoid-0.2.1
[INFO] frobbed toml for generic_cong_avoid-0.2.1 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/generic_cong_avoid/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking generic_cong_avoid-0.2.1 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/generic_cong_avoid/0.2.1:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b56c67690df3d68c2fd950aef8411277a97c34f24d5bf060c5e11b39c7a77ca7
[INFO] running `"docker" "start" "-a" "b56c67690df3d68c2fd950aef8411277a97c34f24d5bf060c5e11b39c7a77ca7"`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking portus v0.5.1
[INFO] [stderr]     Checking generic_cong_avoid v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.98s
[INFO] running `"docker" "inspect" "b56c67690df3d68c2fd950aef8411277a97c34f24d5bf060c5e11b39c7a77ca7"`
[INFO] running `"docker" "rm" "-f" "b56c67690df3d68c2fd950aef8411277a97c34f24d5bf060c5e11b39c7a77ca7"`
[INFO] [stdout] b56c67690df3d68c2fd950aef8411277a97c34f24d5bf060c5e11b39c7a77ca7