[INFO] cloning repository https://github.com/kazcw/rustc-bug51796
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kazcw/rustc-bug51796" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazcw%2Frustc-bug51796", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazcw%2Frustc-bug51796'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ecd8ae2eba81eef780d9ea46c0bc54d991e3323
[INFO] testing kazcw/rustc-bug51796 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazcw%2Frustc-bug51796" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kazcw/rustc-bug51796 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kazcw/rustc-bug51796
[INFO] finished tweaking git repo https://github.com/kazcw/rustc-bug51796
[INFO] tweaked toml for git repo https://github.com/kazcw/rustc-bug51796 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/kazcw/rustc-bug51796 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-6/source/c/Cargo.toml: the cargo feature `rename-dependency` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/specifying-dependencies.html#renaming-dependencies-in-cargotoml for more information about using this feature.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 354061984a14d9543df9ad6c1455487c79d393123c6b27439bb058bef882cf59
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "354061984a14d9543df9ad6c1455487c79d393123c6b27439bb058bef882cf59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "354061984a14d9543df9ad6c1455487c79d393123c6b27439bb058bef882cf59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354061984a14d9543df9ad6c1455487c79d393123c6b27439bb058bef882cf59", kill_on_drop: false }`
[INFO] [stdout] 354061984a14d9543df9ad6c1455487c79d393123c6b27439bb058bef882cf59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37462f065d0e26a4c283e0cd5ca9a6847e0ca7cdd65ff450425dadc0b5383e6a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "37462f065d0e26a4c283e0cd5ca9a6847e0ca7cdd65ff450425dadc0b5383e6a", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/c/Cargo.toml: the cargo feature `rename-dependency` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/specifying-dependencies.html#renaming-dependencies-in-cargotoml for more information about using this feature.
[INFO] [stderr]    Compiling a v0.1.0 (/opt/rustwide/workdir/a)
[INFO] [stderr]    Compiling b v0.1.0 (/opt/rustwide/workdir/b)
[INFO] [stderr]    Compiling c v0.1.0 (/opt/rustwide/workdir/c)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "37462f065d0e26a4c283e0cd5ca9a6847e0ca7cdd65ff450425dadc0b5383e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37462f065d0e26a4c283e0cd5ca9a6847e0ca7cdd65ff450425dadc0b5383e6a", kill_on_drop: false }`
[INFO] [stdout] 37462f065d0e26a4c283e0cd5ca9a6847e0ca7cdd65ff450425dadc0b5383e6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc5e455f6d9242d7eb3f3effa81e566a7fe48b3c808704ec5fc198716aee4057
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cc5e455f6d9242d7eb3f3effa81e566a7fe48b3c808704ec5fc198716aee4057", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/c/Cargo.toml: the cargo feature `rename-dependency` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/specifying-dependencies.html#renaming-dependencies-in-cargotoml for more information about using this feature.
[INFO] [stderr]    Compiling a v0.1.0 (/opt/rustwide/workdir/a)
[INFO] [stderr]    Compiling b v0.1.0 (/opt/rustwide/workdir/b)
[INFO] [stderr]    Compiling c v0.1.0 (/opt/rustwide/workdir/c)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "cc5e455f6d9242d7eb3f3effa81e566a7fe48b3c808704ec5fc198716aee4057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5e455f6d9242d7eb3f3effa81e566a7fe48b3c808704ec5fc198716aee4057", kill_on_drop: false }`
[INFO] [stdout] cc5e455f6d9242d7eb3f3effa81e566a7fe48b3c808704ec5fc198716aee4057
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6363acf367b42504ec147bf43b9698dc04481787ef0feccfa92c482da8025dfa
[INFO] running `Command { std: "docker" "start" "-a" "6363acf367b42504ec147bf43b9698dc04481787ef0feccfa92c482da8025dfa", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/c/Cargo.toml: the cargo feature `rename-dependency` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/specifying-dependencies.html#renaming-dependencies-in-cargotoml for more information about using this feature.
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/a-28d9bd92bb2f3c91)
[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; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/b-9ddd9a528e66fc84)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/c-8704f767cc34f31e)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests a
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests c
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests b
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6363acf367b42504ec147bf43b9698dc04481787ef0feccfa92c482da8025dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6363acf367b42504ec147bf43b9698dc04481787ef0feccfa92c482da8025dfa", kill_on_drop: false }`
[INFO] [stdout] 6363acf367b42504ec147bf43b9698dc04481787ef0feccfa92c482da8025dfa