[INFO] cloning repository yoshuawuyts/playground-failure
[INFO] running `"git" "clone" "--bare" "git://github.com/yoshuawuyts/playground-failure.git" "work/cache/sources/gh/yoshuawuyts/playground-failure"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/yoshuawuyts/playground-failure'...
[INFO] running `"git" "clone" "work/cache/sources/gh/yoshuawuyts/playground-failure" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/yoshuawuyts/playground-failure"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/yoshuawuyts/playground-failure'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yoshuawuyts/playground-failure" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/yoshuawuyts/playground-failure"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/yoshuawuyts/playground-failure'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 323bcd379523119b67f27c84d459296673ac2e67
[INFO] sha for GitHub repo yoshuawuyts/playground-failure: 323bcd379523119b67f27c84d459296673ac2e67
[INFO] validating manifest of yoshuawuyts/playground-failure 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 yoshuawuyts/playground-failure 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 yoshuawuyts/playground-failure
[INFO] finished frobbing yoshuawuyts/playground-failure
[INFO] frobbed toml for yoshuawuyts/playground-failure written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/yoshuawuyts/playground-failure/Cargo.toml
[INFO] started frobbing yoshuawuyts/playground-failure
[INFO] finished frobbing yoshuawuyts/playground-failure
[INFO] frobbed toml for yoshuawuyts/playground-failure written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/yoshuawuyts/playground-failure/Cargo.toml
[INFO] crate yoshuawuyts/playground-failure 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.4
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing yoshuawuyts/playground-failure against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/yoshuawuyts/playground-failure:/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] 903b0996f528e166b461d855e0e23f059066eb00ade7890fdf13f16b9a4c45d5
[INFO] running `"docker" "start" "-a" "903b0996f528e166b461d855e0e23f059066eb00ade7890fdf13f16b9a4c45d5"`
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling playground-failure v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.40s
[INFO] running `"docker" "inspect" "903b0996f528e166b461d855e0e23f059066eb00ade7890fdf13f16b9a4c45d5"`
[INFO] running `"docker" "rm" "-f" "903b0996f528e166b461d855e0e23f059066eb00ade7890fdf13f16b9a4c45d5"`
[INFO] [stdout] 903b0996f528e166b461d855e0e23f059066eb00ade7890fdf13f16b9a4c45d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/yoshuawuyts/playground-failure:/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] f9b66348cae0197ea9f0875907de13887669918ee43fe2d41f129dfc97ceda5f
[INFO] running `"docker" "start" "-a" "f9b66348cae0197ea9f0875907de13887669918ee43fe2d41f129dfc97ceda5f"`
[INFO] [stderr]    Compiling playground-failure v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "f9b66348cae0197ea9f0875907de13887669918ee43fe2d41f129dfc97ceda5f"`
[INFO] running `"docker" "rm" "-f" "f9b66348cae0197ea9f0875907de13887669918ee43fe2d41f129dfc97ceda5f"`
[INFO] [stdout] f9b66348cae0197ea9f0875907de13887669918ee43fe2d41f129dfc97ceda5f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/yoshuawuyts/playground-failure:/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"`
[INFO] [stdout] 38b35d093d87987684321c450049180df3e121b12ec3f41a9bb0fa48a0fd3ce9
[INFO] running `"docker" "start" "-a" "38b35d093d87987684321c450049180df3e121b12ec3f41a9bb0fa48a0fd3ce9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-d5dee4e587be52a8
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/playground_failure-149e54e0e022e00e
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests lib
[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] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "38b35d093d87987684321c450049180df3e121b12ec3f41a9bb0fa48a0fd3ce9"`
[INFO] running `"docker" "rm" "-f" "38b35d093d87987684321c450049180df3e121b12ec3f41a9bb0fa48a0fd3ce9"`
[INFO] [stdout] 38b35d093d87987684321c450049180df3e121b12ec3f41a9bb0fa48a0fd3ce9