[INFO] updating cached repository ArniDagur/InstantTee
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ArniDagur/InstantTee
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ArniDagur/InstantTee" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/ArniDagur/InstantTee"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/ArniDagur/InstantTee'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ArniDagur/InstantTee" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/ArniDagur/InstantTee"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/ArniDagur/InstantTee'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 395b126e3ab9c2fd575a7d859454cfe8a01725bd
[INFO] sha for GitHub repo ArniDagur/InstantTee: 395b126e3ab9c2fd575a7d859454cfe8a01725bd
[INFO] validating manifest of ArniDagur/InstantTee on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ArniDagur/InstantTee on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ArniDagur/InstantTee
[INFO] finished frobbing ArniDagur/InstantTee
[INFO] frobbed toml for ArniDagur/InstantTee written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/ArniDagur/InstantTee/Cargo.toml
[INFO] started frobbing ArniDagur/InstantTee
[INFO] finished frobbing ArniDagur/InstantTee
[INFO] frobbed toml for ArniDagur/InstantTee written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/ArniDagur/InstantTee/Cargo.toml
[INFO] crate ArniDagur/InstantTee already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ArniDagur/InstantTee against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-1/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/ArniDagur/InstantTee:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8dde6951f6d87e428c53f60542fe284cda8dbba5baa952e5cec5f0251bc47593
[INFO] running `"docker" "start" "-a" "8dde6951f6d87e428c53f60542fe284cda8dbba5baa952e5cec5f0251bc47593"`
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking instanttee v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.49s
[INFO] running `"docker" "inspect" "8dde6951f6d87e428c53f60542fe284cda8dbba5baa952e5cec5f0251bc47593"`
[INFO] running `"docker" "rm" "-f" "8dde6951f6d87e428c53f60542fe284cda8dbba5baa952e5cec5f0251bc47593"`
[INFO] [stdout] 8dde6951f6d87e428c53f60542fe284cda8dbba5baa952e5cec5f0251bc47593