[INFO] fetching crate gnu-ln 0.2.0...
[INFO] testing gnu-ln-0.2.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate gnu-ln 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate gnu-ln 0.2.0 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 gnu-ln 0.2.0
[INFO] finished tweaking crates.io crate gnu-ln 0.2.0
[INFO] tweaked toml for crates.io crate gnu-ln 0.2.0 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 59d62ed40a8a2de6f80641761a303db348545cd9ac147135ff192aadf6aec049
[INFO] running `Command { std: "docker" "start" "-a" "59d62ed40a8a2de6f80641761a303db348545cd9ac147135ff192aadf6aec049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59d62ed40a8a2de6f80641761a303db348545cd9ac147135ff192aadf6aec049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59d62ed40a8a2de6f80641761a303db348545cd9ac147135ff192aadf6aec049", kill_on_drop: false }`
[INFO] [stdout] 59d62ed40a8a2de6f80641761a303db348545cd9ac147135ff192aadf6aec049
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b262befbb8874cd39624cd76acbaa0705b3d6ec3369f3410616a16f3f1d4dca7
[INFO] running `Command { std: "docker" "start" "-a" "b262befbb8874cd39624cd76acbaa0705b3d6ec3369f3410616a16f3f1d4dca7", kill_on_drop: false }`
[INFO] [stderr]    Compiling gnu-ln v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "b262befbb8874cd39624cd76acbaa0705b3d6ec3369f3410616a16f3f1d4dca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b262befbb8874cd39624cd76acbaa0705b3d6ec3369f3410616a16f3f1d4dca7", kill_on_drop: false }`
[INFO] [stdout] b262befbb8874cd39624cd76acbaa0705b3d6ec3369f3410616a16f3f1d4dca7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] cd8f6515c034cffc7f9200b4c709e3dad8f8ca8523232723140b2d78bfd84c27
[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" "cd8f6515c034cffc7f9200b4c709e3dad8f8ca8523232723140b2d78bfd84c27", kill_on_drop: false }`
[INFO] [stderr]    Compiling gnu-ln v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "cd8f6515c034cffc7f9200b4c709e3dad8f8ca8523232723140b2d78bfd84c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8f6515c034cffc7f9200b4c709e3dad8f8ca8523232723140b2d78bfd84c27", kill_on_drop: false }`
[INFO] [stdout] cd8f6515c034cffc7f9200b4c709e3dad8f8ca8523232723140b2d78bfd84c27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] cb4ab2821b779ac5351be27845efbbcb370a1aa7978c8bdec2da2636edbe9e96
[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" "cb4ab2821b779ac5351be27845efbbcb370a1aa7978c8bdec2da2636edbe9e96", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gnu_ln-75eb164a4a791eca
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] ln: failed to create symbolic link 'some.txt': Read-only file system
[INFO] [stderr] ln: failed to create symbolic link 'some.txt': Read-only file system
[INFO] [stdout] test tests::test_link_and_unlink ... ok
[INFO] [stderr] unlink: cannot unlink 'some.txt': Read-only file system
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gnu-ln
[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] running `Command { std: "docker" "inspect" "cb4ab2821b779ac5351be27845efbbcb370a1aa7978c8bdec2da2636edbe9e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4ab2821b779ac5351be27845efbbcb370a1aa7978c8bdec2da2636edbe9e96", kill_on_drop: false }`
[INFO] [stdout] cb4ab2821b779ac5351be27845efbbcb370a1aa7978c8bdec2da2636edbe9e96