[INFO] fetching crate exit-stack 0.1.0...
[INFO] testing exit-stack-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate exit-stack 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate exit-stack 0.1.0
[INFO] finished tweaking crates.io crate exit-stack 0.1.0
[INFO] tweaked toml for crates.io crate exit-stack 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate exit-stack 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alloc-traits v0.1.1
[INFO] [stderr]   Downloaded static-alloc v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e28e95f452b8b5ae56cd097c3ccc04ba49b904c46d784e4d1327ead31055571c
[INFO] running `Command { std: "docker" "start" "-a" "e28e95f452b8b5ae56cd097c3ccc04ba49b904c46d784e4d1327ead31055571c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e28e95f452b8b5ae56cd097c3ccc04ba49b904c46d784e4d1327ead31055571c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e28e95f452b8b5ae56cd097c3ccc04ba49b904c46d784e4d1327ead31055571c", kill_on_drop: false }`
[INFO] [stdout] e28e95f452b8b5ae56cd097c3ccc04ba49b904c46d784e4d1327ead31055571c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1668d6c5f726e1535edd6d77bc35d31778d6d627cda8d557033cc21b1f41119b
[INFO] running `Command { std: "docker" "start" "-a" "1668d6c5f726e1535edd6d77bc35d31778d6d627cda8d557033cc21b1f41119b", kill_on_drop: false }`
[INFO] [stderr]    Compiling alloc-traits v0.1.1
[INFO] [stderr]    Compiling static-alloc v0.2.6
[INFO] [stderr]    Compiling exit-stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "1668d6c5f726e1535edd6d77bc35d31778d6d627cda8d557033cc21b1f41119b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1668d6c5f726e1535edd6d77bc35d31778d6d627cda8d557033cc21b1f41119b", kill_on_drop: false }`
[INFO] [stdout] 1668d6c5f726e1535edd6d77bc35d31778d6d627cda8d557033cc21b1f41119b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d3fc97e6bf89fd2e738dba42b5185457b9a37dbd06815889448853ee691fd45
[INFO] running `Command { std: "docker" "start" "-a" "4d3fc97e6bf89fd2e738dba42b5185457b9a37dbd06815889448853ee691fd45", kill_on_drop: false }`
[INFO] [stderr]    Compiling exit-stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/stackful.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 |     struct Large([u64; 32]);
[INFO] [stdout]    |            ----- ^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "4d3fc97e6bf89fd2e738dba42b5185457b9a37dbd06815889448853ee691fd45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3fc97e6bf89fd2e738dba42b5185457b9a37dbd06815889448853ee691fd45", kill_on_drop: false }`
[INFO] [stdout] 4d3fc97e6bf89fd2e738dba42b5185457b9a37dbd06815889448853ee691fd45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2e51446cf248eb3e8243f89099bc21a4f8772da1f15667c69e72b27aeca4636
[INFO] running `Command { std: "docker" "start" "-a" "e2e51446cf248eb3e8243f89099bc21a4f8772da1f15667c69e72b27aeca4636", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> tests/stackful.rs:55:18
[INFO] [stderr]    |
[INFO] [stderr] 55 |     struct Large([u64; 32]);
[INFO] [stderr]    |            ----- ^^^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `exit-stack` (test "stackful") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/exit_stack-6a38f6ca1c94fb87)
[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 tests/stackful.rs (/opt/rustwide/target/debug/deps/stackful-f5e47c62018142a9)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test run_with_a_stack ... ok
[INFO] [stdout] test run_with_a_heap_stack ... ok
[INFO] [stdout] test set_drops_correctly ... ok
[INFO] [stdout] test set_with_various_sizes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests exit_stack
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - ExitStack<Mem>::set (line 131) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e2e51446cf248eb3e8243f89099bc21a4f8772da1f15667c69e72b27aeca4636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2e51446cf248eb3e8243f89099bc21a4f8772da1f15667c69e72b27aeca4636", kill_on_drop: false }`
[INFO] [stdout] e2e51446cf248eb3e8243f89099bc21a4f8772da1f15667c69e72b27aeca4636