[INFO] fetching crate rustutils-chroot 0.1.0...
[INFO] testing rustutils-chroot-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate rustutils-chroot 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rustutils-chroot 0.1.0
[INFO] finished tweaking crates.io crate rustutils-chroot 0.1.0
[INFO] tweaked toml for crates.io crate rustutils-chroot 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustutils-chroot 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustutils-chroot 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustutils-runnable v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bd78d7704ed282c401f691cb20f3d5143915b7cbaf64f6c8acd187b287a81a2
[INFO] running `Command { std: "docker" "start" "-a" "8bd78d7704ed282c401f691cb20f3d5143915b7cbaf64f6c8acd187b287a81a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bd78d7704ed282c401f691cb20f3d5143915b7cbaf64f6c8acd187b287a81a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd78d7704ed282c401f691cb20f3d5143915b7cbaf64f6c8acd187b287a81a2", kill_on_drop: false }`
[INFO] [stdout] 8bd78d7704ed282c401f691cb20f3d5143915b7cbaf64f6c8acd187b287a81a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d085dbbcd7b91b4b59e5cbc1af41cadd72e6a3158c3ec86574ca01d2c58f9b87
[INFO] running `Command { std: "docker" "start" "-a" "d085dbbcd7b91b4b59e5cbc1af41cadd72e6a3158c3ec86574ca01d2c58f9b87", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling os_str_bytes v6.2.0
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling rustutils-runnable v0.1.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.24.2
[INFO] [stderr]    Compiling users v0.11.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling clap v3.2.12
[INFO] [stderr]    Compiling rustutils-chroot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]   --> src/lib.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         command.exec();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let _ = command.exec();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.69s
[INFO] running `Command { std: "docker" "inspect" "d085dbbcd7b91b4b59e5cbc1af41cadd72e6a3158c3ec86574ca01d2c58f9b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d085dbbcd7b91b4b59e5cbc1af41cadd72e6a3158c3ec86574ca01d2c58f9b87", kill_on_drop: false }`
[INFO] [stdout] d085dbbcd7b91b4b59e5cbc1af41cadd72e6a3158c3ec86574ca01d2c58f9b87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9938b3b0837b96e04a1e59b08d1bb6c00b590dc1e56d44891367b5f6fa74188f
[INFO] running `Command { std: "docker" "start" "-a" "9938b3b0837b96e04a1e59b08d1bb6c00b590dc1e56d44891367b5f6fa74188f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustutils-chroot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]   --> src/lib.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         command.exec();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let _ = command.exec();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]   --> src/lib.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         command.exec();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let _ = command.exec();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "9938b3b0837b96e04a1e59b08d1bb6c00b590dc1e56d44891367b5f6fa74188f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9938b3b0837b96e04a1e59b08d1bb6c00b590dc1e56d44891367b5f6fa74188f", kill_on_drop: false }`
[INFO] [stdout] 9938b3b0837b96e04a1e59b08d1bb6c00b590dc1e56d44891367b5f6fa74188f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24ea3a30bbbe31fd2608a907caa7581565bd50b86b2dc4668dbc14937bab5c7f
[INFO] running `Command { std: "docker" "start" "-a" "24ea3a30bbbe31fd2608a907caa7581565bd50b86b2dc4668dbc14937bab5c7f", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `exec` that must be used
[INFO] [stderr]   --> src/lib.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         command.exec();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let _ = command.exec();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rustutils-chroot` (lib) generated 1 warning
[INFO] [stderr] warning: `rustutils-chroot` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustutils_chroot-3beb2f862f528c1e)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustutils_chroot-bc8bf55e1d4ab0d1)
[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] [stderr]    Doc-tests rustutils_chroot
[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" "24ea3a30bbbe31fd2608a907caa7581565bd50b86b2dc4668dbc14937bab5c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ea3a30bbbe31fd2608a907caa7581565bd50b86b2dc4668dbc14937bab5c7f", kill_on_drop: false }`
[INFO] [stdout] 24ea3a30bbbe31fd2608a907caa7581565bd50b86b2dc4668dbc14937bab5c7f