[INFO] fetching crate rusturn 0.0.3...
[INFO] extracting crate rusturn 0.0.3 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/rusturn/0.0.3
[INFO] extracting crate rusturn 0.0.3 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/rusturn/0.0.3
[INFO] validating manifest of rusturn-0.0.3 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 rusturn-0.0.3 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 rusturn-0.0.3
[INFO] finished frobbing rusturn-0.0.3
[INFO] frobbed toml for rusturn-0.0.3 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/rusturn/0.0.3/Cargo.toml
[INFO] started frobbing rusturn-0.0.3
[INFO] finished frobbing rusturn-0.0.3
[INFO] frobbed toml for rusturn-0.0.3 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/rusturn/0.0.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fibers_transport v0.1.2
[INFO] [stderr]   Downloaded rustun v0.3.5
[INFO] [stderr]   Downloaded fibers_timeout_queue v0.1.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rusturn-0.0.3 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/rusturn/0.0.3:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] ec996ae9b901506d520164b645ddaee9adb4fe4cb42fc063426dd1fc482527b9
[INFO] running `"docker" "start" "-a" "ec996ae9b901506d520164b645ddaee9adb4fe4cb42fc063426dd1fc482527b9"`
[INFO] [stderr]    Compiling splay_tree v0.2.10
[INFO] [stderr]    Compiling nbchan v0.1.3
[INFO] [stderr]    Compiling factory v0.1.2
[INFO] [stderr]    Compiling fibers v0.1.12
[INFO] [stderr]    Compiling fibers_timeout_queue v0.1.0
[INFO] [stderr]    Compiling fibers_transport v0.1.2
[INFO] [stderr]    Compiling rustun v0.3.5
[INFO] [stderr]    Compiling rusturn v0.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/client/allocate.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 let mut client = ClientCore::new(
[INFO] [stderr]    |                     ----^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.11s
[INFO] running `"docker" "inspect" "ec996ae9b901506d520164b645ddaee9adb4fe4cb42fc063426dd1fc482527b9"`
[INFO] running `"docker" "rm" "-f" "ec996ae9b901506d520164b645ddaee9adb4fe4cb42fc063426dd1fc482527b9"`
[INFO] [stdout] ec996ae9b901506d520164b645ddaee9adb4fe4cb42fc063426dd1fc482527b9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/rusturn/0.0.3:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9e6ebd838d931e461b853f1cdf467253cbc6f108081f91355caf999ac580fbfc
[INFO] running `"docker" "start" "-a" "9e6ebd838d931e461b853f1cdf467253cbc6f108081f91355caf999ac580fbfc"`
[INFO] [stderr]    Compiling fibers_global v0.1.2
[INFO] [stderr]    Compiling rusturn v0.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/client/allocate.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 let mut client = ClientCore::new(
[INFO] [stderr]    |                     ----^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.29s
[INFO] running `"docker" "inspect" "9e6ebd838d931e461b853f1cdf467253cbc6f108081f91355caf999ac580fbfc"`
[INFO] running `"docker" "rm" "-f" "9e6ebd838d931e461b853f1cdf467253cbc6f108081f91355caf999ac580fbfc"`
[INFO] [stdout] 9e6ebd838d931e461b853f1cdf467253cbc6f108081f91355caf999ac580fbfc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/rusturn/0.0.3:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 9b40e944ed08abc841c07aee00796f2ad990d705b2fccf846626d3c364a3a334
[INFO] running `"docker" "start" "-a" "9b40e944ed08abc841c07aee00796f2ad990d705b2fccf846626d3c364a3a334"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusturn-0f5456547a12cf6f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusturn
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9b40e944ed08abc841c07aee00796f2ad990d705b2fccf846626d3c364a3a334"`
[INFO] running `"docker" "rm" "-f" "9b40e944ed08abc841c07aee00796f2ad990d705b2fccf846626d3c364a3a334"`
[INFO] [stdout] 9b40e944ed08abc841c07aee00796f2ad990d705b2fccf846626d3c364a3a334