[INFO] fetching crate nsenter 0.0.1...
[INFO] testing nsenter-0.0.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate nsenter 0.0.1 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate nsenter 0.0.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nsenter 0.0.1
[INFO] finished tweaking crates.io crate nsenter 0.0.1
[INFO] tweaked toml for crates.io crate nsenter 0.0.1 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4e05e48948675d06bf5baa277060e2448291e73c5e828cbd50481eeb7fca091
[INFO] running `Command { std: "docker" "start" "-a" "f4e05e48948675d06bf5baa277060e2448291e73c5e828cbd50481eeb7fca091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4e05e48948675d06bf5baa277060e2448291e73c5e828cbd50481eeb7fca091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e05e48948675d06bf5baa277060e2448291e73c5e828cbd50481eeb7fca091", kill_on_drop: false }`
[INFO] [stdout] f4e05e48948675d06bf5baa277060e2448291e73c5e828cbd50481eeb7fca091
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a2aeca617c37027a30c35457cc1d5a629d02f2f7727c85e73b4e7f1e298acf2
[INFO] running `Command { std: "docker" "start" "-a" "0a2aeca617c37027a30c35457cc1d5a629d02f2f7727c85e73b4e7f1e298acf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling text_io v0.1.9
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling nix v0.4.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling procinfo v0.3.1
[INFO] [stderr]    Compiling unshare v0.1.15
[INFO] [stderr]    Compiling nsutils v0.0.5
[INFO] [stderr]    Compiling nsenter v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.53s
[INFO] running `Command { std: "docker" "inspect" "0a2aeca617c37027a30c35457cc1d5a629d02f2f7727c85e73b4e7f1e298acf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a2aeca617c37027a30c35457cc1d5a629d02f2f7727c85e73b4e7f1e298acf2", kill_on_drop: false }`
[INFO] [stdout] 0a2aeca617c37027a30c35457cc1d5a629d02f2f7727c85e73b4e7f1e298acf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c4a29ba9789dbf2005a7669d83676d1f687194fec86dbc261388d2747c2f063
[INFO] running `Command { std: "docker" "start" "-a" "6c4a29ba9789dbf2005a7669d83676d1f687194fec86dbc261388d2747c2f063", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nsenter v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "6c4a29ba9789dbf2005a7669d83676d1f687194fec86dbc261388d2747c2f063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4a29ba9789dbf2005a7669d83676d1f687194fec86dbc261388d2747c2f063", kill_on_drop: false }`
[INFO] [stdout] 6c4a29ba9789dbf2005a7669d83676d1f687194fec86dbc261388d2747c2f063
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a02ce84e0e4a43780e0a05f82fbd575bfa8c34f2bcc3a988ed1fb3526617ff7
[INFO] running `Command { std: "docker" "start" "-a" "7a02ce84e0e4a43780e0a05f82fbd575bfa8c34f2bcc3a988ed1fb3526617ff7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nsenter-e96adb7391f24fc8)
[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" "7a02ce84e0e4a43780e0a05f82fbd575bfa8c34f2bcc3a988ed1fb3526617ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a02ce84e0e4a43780e0a05f82fbd575bfa8c34f2bcc3a988ed1fb3526617ff7", kill_on_drop: false }`
[INFO] [stdout] 7a02ce84e0e4a43780e0a05f82fbd575bfa8c34f2bcc3a988ed1fb3526617ff7