[INFO] fetching crate swimmer 0.3.0...
[INFO] testing swimmer-0.3.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate swimmer 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate swimmer 0.3.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swimmer 0.3.0
[INFO] finished tweaking crates.io crate swimmer 0.3.0
[INFO] tweaked toml for crates.io crate swimmer 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lifeguard v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8afb9a771ac395279fc4ccd877c6ebb4b83cf7e8362e703bb753bc482a27517e
[INFO] running `Command { std: "docker" "start" "-a" "8afb9a771ac395279fc4ccd877c6ebb4b83cf7e8362e703bb753bc482a27517e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8afb9a771ac395279fc4ccd877c6ebb4b83cf7e8362e703bb753bc482a27517e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8afb9a771ac395279fc4ccd877c6ebb4b83cf7e8362e703bb753bc482a27517e", kill_on_drop: false }`
[INFO] [stdout] 8afb9a771ac395279fc4ccd877c6ebb4b83cf7e8362e703bb753bc482a27517e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67b46404ab194c3f9cc892b22346b488fae08177c4f0c76e11446b90e8ad3757
[INFO] running `Command { std: "docker" "start" "-a" "67b46404ab194c3f9cc892b22346b488fae08177c4f0c76e11446b90e8ad3757", kill_on_drop: false }`
[INFO] [stderr]    Compiling swimmer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "67b46404ab194c3f9cc892b22346b488fae08177c4f0c76e11446b90e8ad3757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b46404ab194c3f9cc892b22346b488fae08177c4f0c76e11446b90e8ad3757", kill_on_drop: false }`
[INFO] [stdout] 67b46404ab194c3f9cc892b22346b488fae08177c4f0c76e11446b90e8ad3757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcd81e7efdcda91a860bc5b869c897d11f6664e085999777914cf3f114382233
[INFO] running `Command { std: "docker" "start" "-a" "fcd81e7efdcda91a860bc5b869c897d11f6664e085999777914cf3f114382233", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling lifeguard v0.6.1
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling swimmer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.08s
[INFO] running `Command { std: "docker" "inspect" "fcd81e7efdcda91a860bc5b869c897d11f6664e085999777914cf3f114382233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd81e7efdcda91a860bc5b869c897d11f6664e085999777914cf3f114382233", kill_on_drop: false }`
[INFO] [stdout] fcd81e7efdcda91a860bc5b869c897d11f6664e085999777914cf3f114382233
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4df10836b253d347858de8491268c1404773eadf34e3cd775ad150699ad07d6
[INFO] running `Command { std: "docker" "start" "-a" "e4df10836b253d347858de8491268c1404773eadf34e3cd775ad150699ad07d6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/swimmer-9362934fd01d1e02)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_builder ... ok
[INFO] [stdout] test tests::test_supplier ... ok
[INFO] [stdout] test tests::test_pool_send_and_sync ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/existing_pool.rs (/opt/rustwide/target/debug/deps/existing_pool-6d5f1e6f9c26657e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test existing_pool_full ... ok
[INFO] [stdout] test existing_pool_partial ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/static_pool.rs (/opt/rustwide/target/debug/deps/static_pool-3518b5e5e02f9a79)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lazy_static_pool ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests swimmer
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - Pool<T>::new (line 218) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::detached (line 324) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::attach (line 295) ... ok
[INFO] [stdout] test src/lib.rs - (line 69) ... ok
[INFO] [stdout] test src/lib.rs - (line 168) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::size (line 274) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::get (line 251) ... ok
[INFO] [stdout] test src/lib.rs - (line 128) ... ok
[INFO] [stdout] test src/lib.rs - (line 92) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::with_size (line 235) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e4df10836b253d347858de8491268c1404773eadf34e3cd775ad150699ad07d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4df10836b253d347858de8491268c1404773eadf34e3cd775ad150699ad07d6", kill_on_drop: false }`
[INFO] [stdout] e4df10836b253d347858de8491268c1404773eadf34e3cd775ad150699ad07d6