[INFO] fetching crate snaprun 0.1.0...
[INFO] testing snaprun-0.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate snaprun 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate snaprun 0.1.0
[INFO] finished tweaking crates.io crate snaprun 0.1.0
[INFO] tweaked toml for crates.io crate snaprun 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate snaprun 0.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate snaprun 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snapbox v0.6.21
[INFO] [stderr]   Downloaded snapbox-macros v0.3.10
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d2d9d130175192c0afc37a20ce3210924f1d922f809215cbb2638e6a6a5d5ec
[INFO] running `Command { std: "docker" "start" "-a" "0d2d9d130175192c0afc37a20ce3210924f1d922f809215cbb2638e6a6a5d5ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d2d9d130175192c0afc37a20ce3210924f1d922f809215cbb2638e6a6a5d5ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d2d9d130175192c0afc37a20ce3210924f1d922f809215cbb2638e6a6a5d5ec", kill_on_drop: false }`
[INFO] [stdout] 0d2d9d130175192c0afc37a20ce3210924f1d922f809215cbb2638e6a6a5d5ec
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7532d2f1ce591a64ce007c9741bd2c5bb44eb6d13d5289b9dcdb416f38d3f1e
[INFO] running `Command { std: "docker" "start" "-a" "a7532d2f1ce591a64ce007c9741bd2c5bb44eb6d13d5289b9dcdb416f38d3f1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling bitflags v2.9.2
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling toml_writer v1.0.2
[INFO] [stderr]    Compiling env_home v0.1.0
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling clap_builder v4.5.44
[INFO] [stderr]    Compiling snapbox-macros v0.3.10
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling os_pipe v1.2.2
[INFO] [stderr]    Compiling snapbox v0.6.21
[INFO] [stderr]    Compiling which v8.0.0
[INFO] [stderr]    Compiling toml_parser v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap_derive v4.5.45
[INFO] [stderr]    Compiling clap v4.5.45
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_spanned v1.0.0
[INFO] [stderr]    Compiling toml_datetime v0.7.0
[INFO] [stderr]    Compiling toml v0.9.5
[INFO] [stderr]    Compiling snaprun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io::Stdout`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::Stdout,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `foo` is never read
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         foo = foo.stderr_eq(stderr);
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.25s
[INFO] running `Command { std: "docker" "inspect" "a7532d2f1ce591a64ce007c9741bd2c5bb44eb6d13d5289b9dcdb416f38d3f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7532d2f1ce591a64ce007c9741bd2c5bb44eb6d13d5289b9dcdb416f38d3f1e", kill_on_drop: false }`
[INFO] [stdout] a7532d2f1ce591a64ce007c9741bd2c5bb44eb6d13d5289b9dcdb416f38d3f1e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61fc3b72f30c83c4ec60e43a87a08009dead946cfeadedd41dd0b03033645fa7
[INFO] running `Command { std: "docker" "start" "-a" "61fc3b72f30c83c4ec60e43a87a08009dead946cfeadedd41dd0b03033645fa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling snaprun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io::Stdout`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::Stdout,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `foo` is never read
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         foo = foo.stderr_eq(stderr);
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "61fc3b72f30c83c4ec60e43a87a08009dead946cfeadedd41dd0b03033645fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61fc3b72f30c83c4ec60e43a87a08009dead946cfeadedd41dd0b03033645fa7", kill_on_drop: false }`
[INFO] [stdout] 61fc3b72f30c83c4ec60e43a87a08009dead946cfeadedd41dd0b03033645fa7
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09f66fb456e80ac1c903dafa69a5a55dfa6ac39b15ac8056f36b5fd01b146d8e
[INFO] running `Command { std: "docker" "start" "-a" "09f66fb456e80ac1c903dafa69a5a55dfa6ac39b15ac8056f36b5fd01b146d8e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `io::Stdout`
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 4 |     io::Stdout,
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `foo` is never read
[INFO] [stderr]   --> src/main.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         foo = foo.stderr_eq(stderr);
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `snaprun` (bin "snaprun" test) generated 2 warnings (run `cargo fix --bin "snaprun" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/snaprun-20b94867ae7f4272)
[INFO] running `Command { std: "docker" "inspect" "09f66fb456e80ac1c903dafa69a5a55dfa6ac39b15ac8056f36b5fd01b146d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f66fb456e80ac1c903dafa69a5a55dfa6ac39b15ac8056f36b5fd01b146d8e", kill_on_drop: false }`
[INFO] [stdout] 09f66fb456e80ac1c903dafa69a5a55dfa6ac39b15ac8056f36b5fd01b146d8e