[INFO] cloning repository https://github.com/sphynx/um
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sphynx/um" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsphynx%2Fum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsphynx%2Fum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b32223d3ab6eefc7d990f0b3307cada2cf978fa6
[INFO] testing sphynx/um against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsphynx%2Fum" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sphynx/um on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sphynx/um
[INFO] finished tweaking git repo https://github.com/sphynx/um
[INFO] tweaked toml for git repo https://github.com/sphynx/um written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/sphynx/um already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cf5fc6f6b12f0067cd8bd6f2258062d74d279fe2672475ffb29df9ec5026cc0
[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" "1cf5fc6f6b12f0067cd8bd6f2258062d74d279fe2672475ffb29df9ec5026cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cf5fc6f6b12f0067cd8bd6f2258062d74d279fe2672475ffb29df9ec5026cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf5fc6f6b12f0067cd8bd6f2258062d74d279fe2672475ffb29df9ec5026cc0", kill_on_drop: false }`
[INFO] [stdout] 1cf5fc6f6b12f0067cd8bd6f2258062d74d279fe2672475ffb29df9ec5026cc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1857acb8a6d076e7c33b794ca10692fe612b57b34cb947d150ad9e62690fe60
[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" "a1857acb8a6d076e7c33b794ca10692fe612b57b34cb947d150ad9e62690fe60", kill_on_drop: false }`
[INFO] [stderr]    Compiling um v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "a1857acb8a6d076e7c33b794ca10692fe612b57b34cb947d150ad9e62690fe60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1857acb8a6d076e7c33b794ca10692fe612b57b34cb947d150ad9e62690fe60", kill_on_drop: false }`
[INFO] [stdout] a1857acb8a6d076e7c33b794ca10692fe612b57b34cb947d150ad9e62690fe60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ec3084a725d1f42ee6af0ee12191d7008bdebdfb0e18a72c5cb0d05cb1fc465
[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" "9ec3084a725d1f42ee6af0ee12191d7008bdebdfb0e18a72c5cb0d05cb1fc465", kill_on_drop: false }`
[INFO] [stderr]    Compiling um v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "9ec3084a725d1f42ee6af0ee12191d7008bdebdfb0e18a72c5cb0d05cb1fc465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec3084a725d1f42ee6af0ee12191d7008bdebdfb0e18a72c5cb0d05cb1fc465", kill_on_drop: false }`
[INFO] [stdout] 9ec3084a725d1f42ee6af0ee12191d7008bdebdfb0e18a72c5cb0d05cb1fc465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91fabf7a28a11f9a038c8209085314d3933f71556a49f5e05e91e0441871953a
[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" "91fabf7a28a11f9a038c8209085314d3933f71556a49f5e05e91e0441871953a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 14 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/um-6b5c7e2571876f6c
[INFO] [stdout] test mem::tests::fill_all_memory ... ignored
[INFO] [stdout] test mem::tests::len4 ... ok
[INFO] [stdout] test mem::tests::alloc ... ok
[INFO] [stdout] test mem::tests::alloc_lowest ... ok
[INFO] [stdout] test mem::tests::init_with_zero ... ok
[INFO] [stdout] test mem::tests::write_and_read ... ok
[INFO] [stdout] test mem::tests::len2 ... ok
[INFO] [stdout] test mem::tests::free_err3 ... ok
[INFO] [stdout] test mem::tests::read_err_offset ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/um-ec4ebc32d70e589d
[INFO] [stdout] test mem::tests::read_err_addr ... ok
[INFO] [stdout] test mem::tests::double_free_err ... ok
[INFO] [stdout] test mem::tests::read_err_zero ... ok
[INFO] [stdout] test mem::tests::free_err ... ok
[INFO] [stdout] test mem::tests::free_err2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests um
[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 `Command { std: "docker" "inspect" "91fabf7a28a11f9a038c8209085314d3933f71556a49f5e05e91e0441871953a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91fabf7a28a11f9a038c8209085314d3933f71556a49f5e05e91e0441871953a", kill_on_drop: false }`
[INFO] [stdout] 91fabf7a28a11f9a038c8209085314d3933f71556a49f5e05e91e0441871953a