[INFO] crate traffic 0.1.5 is already in cache
[INFO] extracting crate traffic 0.1.5 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/traffic/0.1.5
[INFO] extracting crate traffic 0.1.5 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/traffic/0.1.5
[INFO] validating manifest of traffic-0.1.5 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of traffic-0.1.5 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing traffic-0.1.5
[INFO] finished frobbing traffic-0.1.5
[INFO] frobbed toml for traffic-0.1.5 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/traffic/0.1.5/Cargo.toml
[INFO] started frobbing traffic-0.1.5
[INFO] finished frobbing traffic-0.1.5
[INFO] frobbed toml for traffic-0.1.5 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/traffic/0.1.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking traffic-0.1.5 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/traffic/0.1.5:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0990737cc6ade1f1496ab02d3037974b3ef254af78b6fea9d9f54b00c8df83eb
[INFO] running `"docker" "start" "-a" "0990737cc6ade1f1496ab02d3037974b3ef254af78b6fea9d9f54b00c8df83eb"`
[INFO] [stderr]     Checking dbus v0.2.3
[INFO] [stderr]     Checking rust-gmp v0.3.2
[INFO] [stderr]     Checking rpassword v2.1.0
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking reqwest v0.8.8
[INFO] [stderr]     Checking secret-service v0.4.0
[INFO] [stderr]     Checking keyring v0.6.1
[INFO] [stderr]     Checking traffic v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.00s
[INFO] running `"docker" "inspect" "0990737cc6ade1f1496ab02d3037974b3ef254af78b6fea9d9f54b00c8df83eb"`
[INFO] running `"docker" "rm" "-f" "0990737cc6ade1f1496ab02d3037974b3ef254af78b6fea9d9f54b00c8df83eb"`
[INFO] [stdout] 0990737cc6ade1f1496ab02d3037974b3ef254af78b6fea9d9f54b00c8df83eb