[INFO] fetching crate os_error 0.1.0...
[INFO] testing os_error-0.1.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate os_error 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate os_error 0.1.0 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 crates.io crate os_error 0.1.0
[INFO] finished tweaking crates.io crate os_error 0.1.0
[INFO] tweaked toml for crates.io crate os_error 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", 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] 9adf8098e7600a089132d670995277a5568d135f55d27ddd96346193483db090
[INFO] running `Command { std: "docker" "start" "-a" "9adf8098e7600a089132d670995277a5568d135f55d27ddd96346193483db090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9adf8098e7600a089132d670995277a5568d135f55d27ddd96346193483db090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9adf8098e7600a089132d670995277a5568d135f55d27ddd96346193483db090", kill_on_drop: false }`
[INFO] [stdout] 9adf8098e7600a089132d670995277a5568d135f55d27ddd96346193483db090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e4d70a9ff5e9979167e976b9e985485970b70f18baac2892945108a8ae0ed6a
[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" "5e4d70a9ff5e9979167e976b9e985485970b70f18baac2892945108a8ae0ed6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling os_error v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "5e4d70a9ff5e9979167e976b9e985485970b70f18baac2892945108a8ae0ed6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4d70a9ff5e9979167e976b9e985485970b70f18baac2892945108a8ae0ed6a", kill_on_drop: false }`
[INFO] [stdout] 5e4d70a9ff5e9979167e976b9e985485970b70f18baac2892945108a8ae0ed6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eec61d99e3b732d585dedbd040f8309f1a4d25451438f66a70eba64226e4311
[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" "6eec61d99e3b732d585dedbd040f8309f1a4d25451438f66a70eba64226e4311", kill_on_drop: false }`
[INFO] [stderr]    Compiling os_error v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "6eec61d99e3b732d585dedbd040f8309f1a4d25451438f66a70eba64226e4311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eec61d99e3b732d585dedbd040f8309f1a4d25451438f66a70eba64226e4311", kill_on_drop: false }`
[INFO] [stdout] 6eec61d99e3b732d585dedbd040f8309f1a4d25451438f66a70eba64226e4311
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b1768472fe38f1aabd393a75082ce2a6e9dfc681f17f775687349a7128bee87e
[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" "b1768472fe38f1aabd393a75082ce2a6e9dfc681f17f775687349a7128bee87e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/os_error-310f01b7e3218b26
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests os_error
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_fmt_debug ... ok
[INFO] [stdout] test tests::test_fmt_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - OsError::last_os_error (line 53) ... ok
[INFO] [stdout] test src/lib.rs - OsError::new (line 33) ... ok
[INFO] [stdout] test src/lib.rs - OsError::new (line 22) ... ok
[INFO] [stdout] test src/lib.rs - OsError::code (line 66) ... ok
[INFO] [stdout] test src/lib.rs - OsError::kind (line 82) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b1768472fe38f1aabd393a75082ce2a6e9dfc681f17f775687349a7128bee87e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1768472fe38f1aabd393a75082ce2a6e9dfc681f17f775687349a7128bee87e", kill_on_drop: false }`
[INFO] [stdout] b1768472fe38f1aabd393a75082ce2a6e9dfc681f17f775687349a7128bee87e