[INFO] fetching crate cmd_lib_core 0.4.0...
[INFO] testing cmd_lib_core-0.4.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate cmd_lib_core 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate cmd_lib_core 0.4.0
[INFO] finished tweaking crates.io crate cmd_lib_core 0.4.0
[INFO] tweaked toml for crates.io crate cmd_lib_core 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cmd_lib_core 0.4.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa5c695b3820c7f286011e713f889c78715cb61b077bddf52634710371123caf
[INFO] running `Command { std: "docker" "start" "-a" "aa5c695b3820c7f286011e713f889c78715cb61b077bddf52634710371123caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa5c695b3820c7f286011e713f889c78715cb61b077bddf52634710371123caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa5c695b3820c7f286011e713f889c78715cb61b077bddf52634710371123caf", kill_on_drop: false }`
[INFO] [stdout] aa5c695b3820c7f286011e713f889c78715cb61b077bddf52634710371123caf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66cc64c080a0b83bdbd701a256d1c2cb8ea00786a30d05fca35b8fa2619155c3
[INFO] running `Command { std: "docker" "start" "-a" "66cc64c080a0b83bdbd701a256d1c2cb8ea00786a30d05fca35b8fa2619155c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmd_lib_core v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "66cc64c080a0b83bdbd701a256d1c2cb8ea00786a30d05fca35b8fa2619155c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66cc64c080a0b83bdbd701a256d1c2cb8ea00786a30d05fca35b8fa2619155c3", kill_on_drop: false }`
[INFO] [stdout] 66cc64c080a0b83bdbd701a256d1c2cb8ea00786a30d05fca35b8fa2619155c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2654d0b822b2929996806a6edacefa8acdd23c6c568eb5666e88a7d614427a3d
[INFO] running `Command { std: "docker" "start" "-a" "2654d0b822b2929996806a6edacefa8acdd23c6c568eb5666e88a7d614427a3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmd_lib_core v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "2654d0b822b2929996806a6edacefa8acdd23c6c568eb5666e88a7d614427a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2654d0b822b2929996806a6edacefa8acdd23c6c568eb5666e88a7d614427a3d", kill_on_drop: false }`
[INFO] [stdout] 2654d0b822b2929996806a6edacefa8acdd23c6c568eb5666e88a7d614427a3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4807a5965eb04bb1db7391c74ec9f80ec46c8310385fae40b2e38616140958bf
[INFO] running `Command { std: "docker" "start" "-a" "4807a5965eb04bb1db7391c74ec9f80ec46c8310385fae40b2e38616140958bf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cmd_lib_core-51116cd5aad64415)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test proc_var::tests::test_proc_var_u32 ... ok
[INFO] [stdout] test proc_var::tests::test_proc_var_map ... ok
[INFO] [stdout] test proc_var::tests::test_proc_var_vec ... ok
[INFO] [stdout] test proc_env::tests::test_pwd_set ... ok
[INFO] [stderr] fatal runtime error: IO Safety violation: owned file descriptor already closed, aborting
[INFO] [stderr] ls: cannot access '/nofile': No such file or directory
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/cmd_lib_core-51116cd5aad64415` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "4807a5965eb04bb1db7391c74ec9f80ec46c8310385fae40b2e38616140958bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4807a5965eb04bb1db7391c74ec9f80ec46c8310385fae40b2e38616140958bf", kill_on_drop: false }`
[INFO] [stdout] 4807a5965eb04bb1db7391c74ec9f80ec46c8310385fae40b2e38616140958bf