[INFO] fetching crate imago 0.1.4...
[INFO] testing imago-0.1.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate imago 0.1.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate imago 0.1.4
[INFO] finished tweaking crates.io crate imago 0.1.4
[INFO] tweaked toml for crates.io crate imago 0.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate imago 0.1.4 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate imago 0.1.4 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f2cea7e8732b1b5b9f62dd610f4ae00a6c31a93265dcc37ad1ed2001fb5cca3
[INFO] running `Command { std: "docker" "start" "-a" "4f2cea7e8732b1b5b9f62dd610f4ae00a6c31a93265dcc37ad1ed2001fb5cca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f2cea7e8732b1b5b9f62dd610f4ae00a6c31a93265dcc37ad1ed2001fb5cca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2cea7e8732b1b5b9f62dd610f4ae00a6c31a93265dcc37ad1ed2001fb5cca3", kill_on_drop: false }`
[INFO] [stdout] 4f2cea7e8732b1b5b9f62dd610f4ae00a6c31a93265dcc37ad1ed2001fb5cca3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38d05b0a9dcb741487bfb4f4c0c57fec852d6396ee78179bb6fbe1a314fd65c3
[INFO] running `Command { std: "docker" "start" "-a" "38d05b0a9dcb741487bfb4f4c0c57fec852d6396ee78179bb6fbe1a314fd65c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling serde v1.0.213
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling tokio v1.41.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling imago v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling page_size v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.213
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stdout] warning: trait `ImagoAsRef` is never used
[INFO] [stdout]   --> src/misc_helpers.rs:56:11
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub trait ImagoAsRef<'a, T: ?Sized> {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `-D dead-code` implied by `-D warnings`
[INFO] [stdout]    = help: to override `-D warnings` add `#[allow(dead_code)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.70s
[INFO] running `Command { std: "docker" "inspect" "38d05b0a9dcb741487bfb4f4c0c57fec852d6396ee78179bb6fbe1a314fd65c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d05b0a9dcb741487bfb4f4c0c57fec852d6396ee78179bb6fbe1a314fd65c3", kill_on_drop: false }`
[INFO] [stdout] 38d05b0a9dcb741487bfb4f4c0c57fec852d6396ee78179bb6fbe1a314fd65c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eb354ada5fd1431a30841cd56ad2b10aea9ad54e78b8bba38e119bde2de4ebe
[INFO] running `Command { std: "docker" "start" "-a" "4eb354ada5fd1431a30841cd56ad2b10aea9ad54e78b8bba38e119bde2de4ebe", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.41.0
[INFO] [stderr]    Compiling imago v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `ImagoAsRef` is never used
[INFO] [stdout]   --> src/misc_helpers.rs:56:11
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub trait ImagoAsRef<'a, T: ?Sized> {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `-D dead-code` implied by `-D warnings`
[INFO] [stdout]    = help: to override `-D warnings` add `#[allow(dead_code)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ImagoAsRef` is never used
[INFO] [stdout]   --> src/misc_helpers.rs:56:11
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub trait ImagoAsRef<'a, T: ?Sized> {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `-D dead-code` implied by `-D warnings`
[INFO] [stdout]    = help: to override `-D warnings` add `#[allow(dead_code)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.86s
[INFO] running `Command { std: "docker" "inspect" "4eb354ada5fd1431a30841cd56ad2b10aea9ad54e78b8bba38e119bde2de4ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb354ada5fd1431a30841cd56ad2b10aea9ad54e78b8bba38e119bde2de4ebe", kill_on_drop: false }`
[INFO] [stdout] 4eb354ada5fd1431a30841cd56ad2b10aea9ad54e78b8bba38e119bde2de4ebe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3dc3addcad899a4da2abb1ee3f30b04326494bf9c9f4eb3cef3148377edd3945
[INFO] running `Command { std: "docker" "start" "-a" "3dc3addcad899a4da2abb1ee3f30b04326494bf9c9f4eb3cef3148377edd3945", kill_on_drop: false }`
[INFO] [stderr] warning: trait `ImagoAsRef` is never used
[INFO] [stderr]   --> src/misc_helpers.rs:56:11
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub trait ImagoAsRef<'a, T: ?Sized> {
[INFO] [stderr]    |           ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `-D dead-code` implied by `-D warnings`
[INFO] [stderr]    = help: to override `-D warnings` add `#[allow(dead_code)]`
[INFO] [stderr] 
[INFO] [stderr] warning: `imago` (lib) generated 1 warning
[INFO] [stderr] warning: `imago` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/imago-b51215ff6614ac13)
[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 imago
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/vector_select.rs - vector_select::FutureVector<R,E,F>::discarding_join (line 65) ... ignored
[INFO] [stdout] test src/vector_select.rs - vector_select::FutureVector<R,E,F>::select (line 53) ... ignored
[INFO] [stdout] test src/lib.rs - (line 9) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 32) - compile ... ok
[INFO] [stdout] test src/annotated.rs - annotated (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3dc3addcad899a4da2abb1ee3f30b04326494bf9c9f4eb3cef3148377edd3945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc3addcad899a4da2abb1ee3f30b04326494bf9c9f4eb3cef3148377edd3945", kill_on_drop: false }`
[INFO] [stdout] 3dc3addcad899a4da2abb1ee3f30b04326494bf9c9f4eb3cef3148377edd3945