[INFO] fetching crate petbox 0.1.0...
[INFO] testing petbox-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate petbox 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate petbox 0.1.0
[INFO] finished tweaking crates.io crate petbox 0.1.0
[INFO] tweaked toml for crates.io crate petbox 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate petbox 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate petbox 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.43
[INFO] [stderr]   Downloaded xdg v2.5.0
[INFO] [stderr]   Downloaded bitflags v2.3.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.43
[INFO] [stderr]   Downloaded clap_derive v4.3.2
[INFO] [stderr]   Downloaded clap v4.3.11
[INFO] [stderr]   Downloaded clap_builder v4.3.11
[INFO] [stderr]   Downloaded syn v2.0.25
[INFO] [stderr]   Downloaded rustix v0.38.3
[INFO] [stderr]   Downloaded regex-automata v0.3.2
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.3
[INFO] [stderr]   Downloaded unshare_petbox v0.7.1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08c5dd064268d5572fb8f1cab78ae1056c3e82493795ec2acb6098ef53f04421
[INFO] running `Command { std: "docker" "start" "-a" "08c5dd064268d5572fb8f1cab78ae1056c3e82493795ec2acb6098ef53f04421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08c5dd064268d5572fb8f1cab78ae1056c3e82493795ec2acb6098ef53f04421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c5dd064268d5572fb8f1cab78ae1056c3e82493795ec2acb6098ef53f04421", kill_on_drop: false }`
[INFO] [stdout] 08c5dd064268d5572fb8f1cab78ae1056c3e82493795ec2acb6098ef53f04421
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae8834b66b667aba3d0e2e99e67da1ea14d8af9ddd79cb54286d194631ca588a
[INFO] running `Command { std: "docker" "start" "-a" "ae8834b66b667aba3d0e2e99e67da1ea14d8af9ddd79cb54286d194631ca588a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.3
[INFO] [stderr]    Compiling linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling xdg v2.5.0
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling clap_builder v4.3.11
[INFO] [stderr]    Compiling nix v0.20.2
[INFO] [stderr]    Compiling nix v0.26.2
[INFO] [stderr]    Compiling regex-automata v0.3.2
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling env_logger v0.10.0
[INFO] [stderr]    Compiling unshare_petbox v0.7.1
[INFO] [stderr]    Compiling clap v4.3.11
[INFO] [stderr]    Compiling petbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/bin/petbox.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |         Commands::Attach(opt) => {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/petbox.rs:91:26
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 true => {root.install_rootfs_enter_ns("/bin/bash");},
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[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] 91 |                 true => {let _ = root.install_rootfs_enter_ns("/bin/bash");},
[INFO] [stdout]    |                          +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/petbox.rs:92:27
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 false => {root.install_rootfs_from_tar(Path::new(&opt.source));},
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 false => {let _ = root.install_rootfs_from_tar(Path::new(&opt.source));},
[INFO] [stdout]    |                           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.73s
[INFO] running `Command { std: "docker" "inspect" "ae8834b66b667aba3d0e2e99e67da1ea14d8af9ddd79cb54286d194631ca588a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8834b66b667aba3d0e2e99e67da1ea14d8af9ddd79cb54286d194631ca588a", kill_on_drop: false }`
[INFO] [stdout] ae8834b66b667aba3d0e2e99e67da1ea14d8af9ddd79cb54286d194631ca588a
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74688ea4c421600898c26f13ccc0362f4b9d336b42ac49e7f71af94a2cad18ff
[INFO] running `Command { std: "docker" "start" "-a" "74688ea4c421600898c26f13ccc0362f4b9d336b42ac49e7f71af94a2cad18ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling petbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/bin/petbox.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |         Commands::Attach(opt) => {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/petbox.rs:91:26
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 true => {root.install_rootfs_enter_ns("/bin/bash");},
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[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] 91 |                 true => {let _ = root.install_rootfs_enter_ns("/bin/bash");},
[INFO] [stdout]    |                          +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/petbox.rs:92:27
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 false => {root.install_rootfs_from_tar(Path::new(&opt.source));},
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 false => {let _ = root.install_rootfs_from_tar(Path::new(&opt.source));},
[INFO] [stdout]    |                           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "74688ea4c421600898c26f13ccc0362f4b9d336b42ac49e7f71af94a2cad18ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74688ea4c421600898c26f13ccc0362f4b9d336b42ac49e7f71af94a2cad18ff", kill_on_drop: false }`
[INFO] [stdout] 74688ea4c421600898c26f13ccc0362f4b9d336b42ac49e7f71af94a2cad18ff
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 05ea7ae2dbadefdd9cd5c8ce46f5ff0497bbb1e591e3f355572e32f6c5230f21
[INFO] running `Command { std: "docker" "start" "-a" "05ea7ae2dbadefdd9cd5c8ce46f5ff0497bbb1e591e3f355572e32f6c5230f21", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `opt`
[INFO] [stderr]   --> src/bin/petbox.rs:95:26
[INFO] [stderr]    |
[INFO] [stderr] 95 |         Commands::Attach(opt) => {
[INFO] [stderr]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/bin/petbox.rs:91:26
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 true => {root.install_rootfs_enter_ns("/bin/bash");},
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[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] 91 |                 true => {let _ = root.install_rootfs_enter_ns("/bin/bash");},
[INFO] [stderr]    |                          +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/bin/petbox.rs:92:27
[INFO] [stderr]    |
[INFO] [stderr] 92 |                 false => {root.install_rootfs_from_tar(Path::new(&opt.source));},
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 92 |                 false => {let _ = root.install_rootfs_from_tar(Path::new(&opt.source));},
[INFO] [stderr]    |                           +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `petbox` (bin "petbox" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/petbox-690246abb0611400)
[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/bin/petbox.rs (/opt/rustwide/target/debug/deps/petbox-938bb4cecfdb6e91)
[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 petbox
[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" "05ea7ae2dbadefdd9cd5c8ce46f5ff0497bbb1e591e3f355572e32f6c5230f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ea7ae2dbadefdd9cd5c8ce46f5ff0497bbb1e591e3f355572e32f6c5230f21", kill_on_drop: false }`
[INFO] [stdout] 05ea7ae2dbadefdd9cd5c8ce46f5ff0497bbb1e591e3f355572e32f6c5230f21