[INFO] fetching crate n0-watcher 0.3.0...
[INFO] testing n0-watcher-0.3.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate n0-watcher 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate n0-watcher 0.3.0
[INFO] finished tweaking crates.io crate n0-watcher 0.3.0
[INFO] tweaked toml for crates.io crate n0-watcher 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate n0-watcher 0.3.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate n0-watcher 0.3.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 851440366d27d2bd206ce13ccd550148d8f65d4fdeac273f14d56050b5427cb3
[INFO] running `Command { std: "docker" "start" "-a" "851440366d27d2bd206ce13ccd550148d8f65d4fdeac273f14d56050b5427cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "851440366d27d2bd206ce13ccd550148d8f65d4fdeac273f14d56050b5427cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851440366d27d2bd206ce13ccd550148d8f65d4fdeac273f14d56050b5427cb3", kill_on_drop: false }`
[INFO] [stdout] 851440366d27d2bd206ce13ccd550148d8f65d4fdeac273f14d56050b5427cb3
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e5eb6483e7352bf874a7878267f3cf3cc9d00e5b9ecdd7b57a0064831aa7a66
[INFO] running `Command { std: "docker" "start" "-a" "4e5eb6483e7352bf874a7878267f3cf3cc9d00e5b9ecdd7b57a0064831aa7a66", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling n0-future v0.1.3
[INFO] [stderr]    Compiling tokio v1.45.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling cordyceps v0.3.3
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling diatomic-waker v0.2.3
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling futures-buffered v0.2.11
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling snafu-derive v0.8.6
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling snafu v0.8.6
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling n0-watcher v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.73s
[INFO] running `Command { std: "docker" "inspect" "4e5eb6483e7352bf874a7878267f3cf3cc9d00e5b9ecdd7b57a0064831aa7a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5eb6483e7352bf874a7878267f3cf3cc9d00e5b9ecdd7b57a0064831aa7a66", kill_on_drop: false }`
[INFO] [stdout] 4e5eb6483e7352bf874a7878267f3cf3cc9d00e5b9ecdd7b57a0064831aa7a66
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b818e3cf7d03fa41935c82f5686beebeea7e1b245d82e29e6619525dd70178f1
[INFO] running `Command { std: "docker" "start" "-a" "b818e3cf7d03fa41935c82f5686beebeea7e1b245d82e29e6619525dd70178f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.45.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling n0-future v0.1.3
[INFO] [stderr]    Compiling n0-watcher v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.85s
[INFO] running `Command { std: "docker" "inspect" "b818e3cf7d03fa41935c82f5686beebeea7e1b245d82e29e6619525dd70178f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b818e3cf7d03fa41935c82f5686beebeea7e1b245d82e29e6619525dd70178f1", kill_on_drop: false }`
[INFO] [stdout] b818e3cf7d03fa41935c82f5686beebeea7e1b245d82e29e6619525dd70178f1
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b92f3b9e3cad3f363812396a04aabaa04b629a08750a942175f5a208b35580e
[INFO] running `Command { std: "docker" "start" "-a" "3b92f3b9e3cad3f363812396a04aabaa04b629a08750a942175f5a208b35580e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/n0_watcher-93103add5190be7c)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_initialize ... ok
[INFO] [stdout] test tests::test_initialize_already_init ... ok
[INFO] [stdout] test tests::test_update_wakeup_always_a_change ... ok
[INFO] [stdout] test tests::test_join_simple ... ok
[INFO] [stdout] test tests::test_initialized_always_resolves ... ok
[INFO] [stdout] test tests::test_update_wakeup_on_watchable_drop ... ok
[INFO] [stdout] test tests::test_updated_then_disconnect_then_get ... ok
[INFO] [stdout] test tests::test_has_watchers ... ok
[INFO] [stdout] test tests::test_get ... ok
[INFO] [stdout] test tests::test_update_cancel_safety ... ok
[INFO] [stdout] test tests::test_watcher ... ok
[INFO] [stderr]    Doc-tests n0_watcher
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b92f3b9e3cad3f363812396a04aabaa04b629a08750a942175f5a208b35580e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b92f3b9e3cad3f363812396a04aabaa04b629a08750a942175f5a208b35580e", kill_on_drop: false }`
[INFO] [stdout] 3b92f3b9e3cad3f363812396a04aabaa04b629a08750a942175f5a208b35580e