[INFO] cloning repository sighol/tree-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/sighol/tree-rs.git" "work/cache/sources/gh/sighol/tree-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/sighol/tree-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/sighol/tree-rs" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/sighol/tree-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/sighol/tree-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sighol/tree-rs" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/sighol/tree-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/sighol/tree-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5de18a2fb717964fdd1eff817d3ea30a5586c4ac
[INFO] sha for GitHub repo sighol/tree-rs: 5de18a2fb717964fdd1eff817d3ea30a5586c4ac
[INFO] validating manifest of sighol/tree-rs on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sighol/tree-rs on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sighol/tree-rs
[INFO] finished frobbing sighol/tree-rs
[INFO] frobbed toml for sighol/tree-rs written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/sighol/tree-rs/Cargo.toml
[INFO] started frobbing sighol/tree-rs
[INFO] finished frobbing sighol/tree-rs
[INFO] frobbed toml for sighol/tree-rs written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/sighol/tree-rs/Cargo.toml
[INFO] crate sighol/tree-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building sighol/tree-rs against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/sighol/tree-rs:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 4c7f2af89b5e3c3e7a0b335f1edd03188d4dcf242be031635921c82a43a29a62
[INFO] running `"docker" "start" "-a" "4c7f2af89b5e3c3e7a0b335f1edd03188d4dcf242be031635921c82a43a29a62"`
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling textwrap v0.6.0
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling clap v2.25.0
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling globset v0.2.0
[INFO] [stderr]    Compiling tree-rs v0.6.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.54s
[INFO] running `"docker" "inspect" "4c7f2af89b5e3c3e7a0b335f1edd03188d4dcf242be031635921c82a43a29a62"`
[INFO] running `"docker" "rm" "-f" "4c7f2af89b5e3c3e7a0b335f1edd03188d4dcf242be031635921c82a43a29a62"`
[INFO] [stdout] 4c7f2af89b5e3c3e7a0b335f1edd03188d4dcf242be031635921c82a43a29a62
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/sighol/tree-rs:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3307f1c7b1c8c6aa928623f184b919f697a9c1b0f8d32b9bbd9bd1c0074ea46d
[INFO] running `"docker" "start" "-a" "3307f1c7b1c8c6aa928623f184b919f697a9c1b0f8d32b9bbd9bd1c0074ea46d"`
[INFO] [stderr]    Compiling tree-rs v0.6.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `"docker" "inspect" "3307f1c7b1c8c6aa928623f184b919f697a9c1b0f8d32b9bbd9bd1c0074ea46d"`
[INFO] running `"docker" "rm" "-f" "3307f1c7b1c8c6aa928623f184b919f697a9c1b0f8d32b9bbd9bd1c0074ea46d"`
[INFO] [stdout] 3307f1c7b1c8c6aa928623f184b919f697a9c1b0f8d32b9bbd9bd1c0074ea46d