[INFO] updating cached repository takeknock/basel3
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/takeknock/basel3
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/takeknock/basel3" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/takeknock/basel3"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/takeknock/basel3'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/takeknock/basel3" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/takeknock/basel3"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/takeknock/basel3'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 19e3433bf911923a689163ff119d2b7a8944569b
[INFO] sha for GitHub repo takeknock/basel3: 19e3433bf911923a689163ff119d2b7a8944569b
[INFO] validating manifest of takeknock/basel3 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 takeknock/basel3 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 takeknock/basel3
[INFO] finished frobbing takeknock/basel3
[INFO] frobbed toml for takeknock/basel3 written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/takeknock/basel3/Cargo.toml
[INFO] started frobbing takeknock/basel3
[INFO] finished frobbing takeknock/basel3
[INFO] frobbed toml for takeknock/basel3 written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/takeknock/basel3/Cargo.toml
[INFO] crate takeknock/basel3 has a lockfile. skipping
[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 takeknock/basel3 against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-7/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/takeknock/basel3:/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] e18686aa9744108d831fa8347044c04bdb7a11e29de09583ba63abe1f64dd7e2
[INFO] running `"docker" "start" "-a" "e18686aa9744108d831fa8347044c04bdb7a11e29de09583ba63abe1f64dd7e2"`
[INFO] [stderr]     Checking unicode-normalization v0.1.6
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking hyper v0.10.13
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking basel3_rw v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.15s
[INFO] running `"docker" "inspect" "e18686aa9744108d831fa8347044c04bdb7a11e29de09583ba63abe1f64dd7e2"`
[INFO] running `"docker" "rm" "-f" "e18686aa9744108d831fa8347044c04bdb7a11e29de09583ba63abe1f64dd7e2"`
[INFO] [stdout] e18686aa9744108d831fa8347044c04bdb7a11e29de09583ba63abe1f64dd7e2