[INFO] fetching crate minimal-executor 0.4.1...
[INFO] testing minimal-executor-0.4.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate minimal-executor 0.4.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate minimal-executor 0.4.1
[INFO] finished tweaking crates.io crate minimal-executor 0.4.1
[INFO] tweaked toml for crates.io crate minimal-executor 0.4.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate minimal-executor 0.4.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 84 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acd1e2a96379d50b9d7ac705168f810c4b27535723f69ac3b382edb43acba6e0
[INFO] running `Command { std: "docker" "start" "-a" "acd1e2a96379d50b9d7ac705168f810c4b27535723f69ac3b382edb43acba6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acd1e2a96379d50b9d7ac705168f810c4b27535723f69ac3b382edb43acba6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd1e2a96379d50b9d7ac705168f810c4b27535723f69ac3b382edb43acba6e0", kill_on_drop: false }`
[INFO] [stdout] acd1e2a96379d50b9d7ac705168f810c4b27535723f69ac3b382edb43acba6e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f08f9d9c274da450bd4afb35c5298b5fda259a6e4cc47770c7456a0803ba2693
[INFO] running `Command { std: "docker" "start" "-a" "f08f9d9c274da450bd4afb35c5298b5fda259a6e4cc47770c7456a0803ba2693", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling kanal v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling minimal-executor v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "f08f9d9c274da450bd4afb35c5298b5fda259a6e4cc47770c7456a0803ba2693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f08f9d9c274da450bd4afb35c5298b5fda259a6e4cc47770c7456a0803ba2693", kill_on_drop: false }`
[INFO] [stdout] f08f9d9c274da450bd4afb35c5298b5fda259a6e4cc47770c7456a0803ba2693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3afc212997ce0453c4c31692c04c8f73e79daaaaa6db2e7ec3baf63dca11a21
[INFO] running `Command { std: "docker" "start" "-a" "a3afc212997ce0453c4c31692c04c8f73e79daaaaa6db2e7ec3baf63dca11a21", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling minimal-executor v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/local_pool.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Pending(Rc<()>);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 27.26s
[INFO] running `Command { std: "docker" "inspect" "a3afc212997ce0453c4c31692c04c8f73e79daaaaa6db2e7ec3baf63dca11a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3afc212997ce0453c4c31692c04c8f73e79daaaaa6db2e7ec3baf63dca11a21", kill_on_drop: false }`
[INFO] [stdout] a3afc212997ce0453c4c31692c04c8f73e79daaaaa6db2e7ec3baf63dca11a21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb3710a398cd4b705a1015777cac5158f36ad1ccf0d34fa480c744aeabc33720
[INFO] running `Command { std: "docker" "start" "-a" "eb3710a398cd4b705a1015777cac5158f36ad1ccf0d34fa480c744aeabc33720", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> tests/local_pool.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Pending(Rc<()>);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `minimal-executor` (test "local_pool") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minimal_executor-4d0faa9af8940958)
[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/local_pool.rs (/opt/rustwide/target/debug/deps/local_pool-6a29c3a7214dcc2b)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test run_returns_if_empty ... ok
[INFO] [stdout] test run_spawn_many ... ok
[INFO] [stdout] test run_until_single_future ... ok
[INFO] [stdout] test try_run_one_returns_if_empty ... ok
[INFO] [stdout] test try_run_one_executes_one_ready ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minimal_executor
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/local_pool_old.rs - local_pool_old::LocalPool<'a,Ret>::run (line 67) ... ok
[INFO] [stdout] test src/local_pool_new.rs - local_pool_new::LocalPool<'a,Ret>::run (line 70) ... ok
[INFO] [stdout] test src/local_pool_busy.rs - local_pool_busy::LocalPool<'a,Ret>::try_run_one (line 105) ... ok
[INFO] [stdout] test src/local_pool_busy.rs - local_pool_busy::LocalPool<'a,Ret>::run (line 73) ... ok
[INFO] [stdout] test src/local_pool_old.rs - local_pool_old::LocalPool<'a,Ret>::try_run_one (line 99) ... ok
[INFO] [stdout] test src/local_pool_new.rs - local_pool_new::LocalPool<'a,Ret>::try_run_one (line 102) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb3710a398cd4b705a1015777cac5158f36ad1ccf0d34fa480c744aeabc33720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb3710a398cd4b705a1015777cac5158f36ad1ccf0d34fa480c744aeabc33720", kill_on_drop: false }`
[INFO] [stdout] eb3710a398cd4b705a1015777cac5158f36ad1ccf0d34fa480c744aeabc33720