[INFO] fetching crate gnu-ln 0.2.0...
[INFO] testing gnu-ln-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate gnu-ln 0.2.0 into /workspace/builds/worker-5-tc1/source
[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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gnu-ln 0.2.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b22f7e6b88775a8be6ee47ecd88d66cfc16705d6aeb0c461032a80e6e1440822
[INFO] running `Command { std: "docker" "start" "-a" "b22f7e6b88775a8be6ee47ecd88d66cfc16705d6aeb0c461032a80e6e1440822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b22f7e6b88775a8be6ee47ecd88d66cfc16705d6aeb0c461032a80e6e1440822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22f7e6b88775a8be6ee47ecd88d66cfc16705d6aeb0c461032a80e6e1440822", kill_on_drop: false }`
[INFO] [stdout] b22f7e6b88775a8be6ee47ecd88d66cfc16705d6aeb0c461032a80e6e1440822
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48399b819ec74c647605461fec0a276bfd5bc08de1ac5eaf379ee7480ca31887
[INFO] running `Command { std: "docker" "start" "-a" "48399b819ec74c647605461fec0a276bfd5bc08de1ac5eaf379ee7480ca31887", kill_on_drop: false }`
[INFO] [stderr]    Compiling gnu-ln v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "48399b819ec74c647605461fec0a276bfd5bc08de1ac5eaf379ee7480ca31887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48399b819ec74c647605461fec0a276bfd5bc08de1ac5eaf379ee7480ca31887", kill_on_drop: false }`
[INFO] [stdout] 48399b819ec74c647605461fec0a276bfd5bc08de1ac5eaf379ee7480ca31887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41c62db489382c7c96eb87a58bfc11a3e37d2cd84ca8683e9ac0ba8071b8c6c7
[INFO] running `Command { std: "docker" "start" "-a" "41c62db489382c7c96eb87a58bfc11a3e37d2cd84ca8683e9ac0ba8071b8c6c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling gnu-ln v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "41c62db489382c7c96eb87a58bfc11a3e37d2cd84ca8683e9ac0ba8071b8c6c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c62db489382c7c96eb87a58bfc11a3e37d2cd84ca8683e9ac0ba8071b8c6c7", kill_on_drop: false }`
[INFO] [stdout] 41c62db489382c7c96eb87a58bfc11a3e37d2cd84ca8683e9ac0ba8071b8c6c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32019308b1c50e950e0364813727ddd9b6da96da41a01b3db512207b45ce2eba
[INFO] running `Command { std: "docker" "start" "-a" "32019308b1c50e950e0364813727ddd9b6da96da41a01b3db512207b45ce2eba", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gnu_ln-3496bc3813cd6fde)
[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] [stderr] unlink: cannot unlink 'some.txt': Read-only file system
[INFO] [stdout] test tests::test_link_and_unlink ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gnu_ln
[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" "32019308b1c50e950e0364813727ddd9b6da96da41a01b3db512207b45ce2eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32019308b1c50e950e0364813727ddd9b6da96da41a01b3db512207b45ce2eba", kill_on_drop: false }`
[INFO] [stdout] 32019308b1c50e950e0364813727ddd9b6da96da41a01b3db512207b45ce2eba