[INFO] cloning repository https://github.com/tmke8/stable_arena
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tmke8/stable_arena" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmke8%2Fstable_arena", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmke8%2Fstable_arena'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23da6a553c71198d3c0df561a9e3a1e37a692bca
[INFO] testing tmke8/stable_arena against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmke8%2Fstable_arena" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tmke8/stable_arena
[INFO] finished tweaking git repo https://github.com/tmke8/stable_arena
[INFO] tweaked toml for git repo https://github.com/tmke8/stable_arena written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tmke8/stable_arena 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] crate git repo https://github.com/tmke8/stable_arena 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" "+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
[ERROR] error running command: no output for 300 seconds
[INFO] testing tmke8/stable_arena against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmke8%2Fstable_arena" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tmke8/stable_arena
[INFO] finished tweaking git repo https://github.com/tmke8/stable_arena
[INFO] tweaked toml for git repo https://github.com/tmke8/stable_arena written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tmke8/stable_arena 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] crate git repo https://github.com/tmke8/stable_arena 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" "+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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5b0e478cb733814ee605a1e597598ecd7f8d27d42c69680eefb027dfeadc7044
[INFO] running `Command { std: "docker" "start" "-a" "5b0e478cb733814ee605a1e597598ecd7f8d27d42c69680eefb027dfeadc7044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b0e478cb733814ee605a1e597598ecd7f8d27d42c69680eefb027dfeadc7044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b0e478cb733814ee605a1e597598ecd7f8d27d42c69680eefb027dfeadc7044", kill_on_drop: false }`
[INFO] [stdout] 5b0e478cb733814ee605a1e597598ecd7f8d27d42c69680eefb027dfeadc7044
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 81dd04403c68d805ab649ed4caf29b88b3a05395735f4986f0ec42380c8d46e5
[INFO] running `Command { std: "docker" "start" "-a" "81dd04403c68d805ab649ed4caf29b88b3a05395735f4986f0ec42380c8d46e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling stable-arena v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "81dd04403c68d805ab649ed4caf29b88b3a05395735f4986f0ec42380c8d46e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81dd04403c68d805ab649ed4caf29b88b3a05395735f4986f0ec42380c8d46e5", kill_on_drop: false }`
[INFO] [stdout] 81dd04403c68d805ab649ed4caf29b88b3a05395735f4986f0ec42380c8d46e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 73f933747947ddd3bdbdd7d69c930f90f613c2f1f70884d195564224832bd874
[INFO] running `Command { std: "docker" "start" "-a" "73f933747947ddd3bdbdd7d69c930f90f613c2f1f70884d195564224832bd874", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable-arena v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `declare_arena`
[INFO] [stdout]  --> src/tests.rs:3:40
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{DroplessArena, TypedArena, declare_arena};
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "73f933747947ddd3bdbdd7d69c930f90f613c2f1f70884d195564224832bd874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f933747947ddd3bdbdd7d69c930f90f613c2f1f70884d195564224832bd874", kill_on_drop: false }`
[INFO] [stdout] 73f933747947ddd3bdbdd7d69c930f90f613c2f1f70884d195564224832bd874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2f1df54ba03efe4aa33aba8a7e4b23237a88cebc2345830e0bbb1997581c9701
[INFO] running `Command { std: "docker" "start" "-a" "2f1df54ba03efe4aa33aba8a7e4b23237a88cebc2345830e0bbb1997581c9701", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `declare_arena`
[INFO] [stderr]  --> src/tests.rs:3:40
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::{DroplessArena, TypedArena, declare_arena};
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `stable-arena` (lib test) generated 1 warning (run `cargo fix --lib -p stable-arena --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stable_arena-c6df779e8b7cf5d0)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::test_arena_alloc_nested ... ok
[INFO] [stdout] test tests::test_cycle ... ok
[INFO] [stdout] test tests::test_dropless_str ... ok
[INFO] [stdout] test tests::test_typed_arena_drop_count ... ok
[INFO] [stdout] test tests::test_declare_arena ... ok
[INFO] [stdout] test tests::test_dropless_slice ... ok
[INFO] [stdout] test tests::test_typed_arena_drop_on_clear ... ok
[INFO] [stdout] test tests::test_typed_arena_drop_small_count ... ok
[INFO] [stdout] test tests::test_unused ... ok
[INFO] [stdout] test tests::test_dropless_with_reference ... ok
[INFO] [stdout] test tests::test_unused_dropless ... ok
[INFO] [stdout] test tests::test_typed_arena_zero_sized ... ok
[INFO] [stdout] test tests::test_copy ... ok
[INFO] [stdout] test tests::test_typed_arena_clear ... ok
[INFO] [stdout] test tests::test_noncopy ... ok
[INFO] [stderr]    Doc-tests stable_arena
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - declare_arena (line 691) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.54s; merged doctests compilation took 0.52s
[INFO] running `Command { std: "docker" "inspect" "2f1df54ba03efe4aa33aba8a7e4b23237a88cebc2345830e0bbb1997581c9701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1df54ba03efe4aa33aba8a7e4b23237a88cebc2345830e0bbb1997581c9701", kill_on_drop: false }`
[INFO] [stdout] 2f1df54ba03efe4aa33aba8a7e4b23237a88cebc2345830e0bbb1997581c9701