[INFO] fetching crate xtra 0.6.0...
[INFO] testing xtra-0.6.0 against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400
[INFO] extracting crate xtra 0.6.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate xtra 0.6.0 on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xtra 0.6.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate xtra 0.6.0
[INFO] tweaked toml for crates.io crate xtra 0.6.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate xtra 0.6.0 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" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xtra-macros v0.6.0
[INFO] [stderr]   Downloaded async-process v1.8.0
[INFO] [stderr]   Downloaded smol-potat v1.1.2
[INFO] [stderr]   Downloaded sharded-slab v0.1.6
[INFO] [stderr]   Downloaded blocking v1.4.0
[INFO] [stderr]   Downloaded smol-timeout v0.6.0
[INFO] [stderr]   Downloaded catty v0.1.5
[INFO] [stderr]   Downloaded async-signal v0.2.1
[INFO] [stderr]   Downloaded event-listener v3.0.0
[INFO] [stderr]   Downloaded smol-potat-macro v0.6.0
[INFO] [stderr]   Downloaded csv v1.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 570297b5fdc88ec97dae646c2a1129350ae0416f953ad6b77eef3379307a9fc8
[INFO] running `Command { std: "docker" "start" "-a" "570297b5fdc88ec97dae646c2a1129350ae0416f953ad6b77eef3379307a9fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "570297b5fdc88ec97dae646c2a1129350ae0416f953ad6b77eef3379307a9fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "570297b5fdc88ec97dae646c2a1129350ae0416f953ad6b77eef3379307a9fc8", kill_on_drop: false }`
[INFO] [stdout] 570297b5fdc88ec97dae646c2a1129350ae0416f953ad6b77eef3379307a9fc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9a4f9ea1b2306d2342dd94639b19b2ebc47e6e7bcb0fdf23e918a973f56ad4f
[INFO] running `Command { std: "docker" "start" "-a" "f9a4f9ea1b2306d2342dd94639b19b2ebc47e6e7bcb0fdf23e918a973f56ad4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling catty v0.1.5
[INFO] [stderr]    Compiling xtra v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/address.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         state.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 313 |         let _ = state.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "f9a4f9ea1b2306d2342dd94639b19b2ebc47e6e7bcb0fdf23e918a973f56ad4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9a4f9ea1b2306d2342dd94639b19b2ebc47e6e7bcb0fdf23e918a973f56ad4f", kill_on_drop: false }`
[INFO] [stdout] f9a4f9ea1b2306d2342dd94639b19b2ebc47e6e7bcb0fdf23e918a973f56ad4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d51554af053d70b5e9b1feffabdbd9c0cca19b436b1f18f65680a10d9c5cadc2
[INFO] running `Command { std: "docker" "start" "-a" "d51554af053d70b5e9b1feffabdbd9c0cca19b436b1f18f65680a10d9c5cadc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling value-bag v1.4.1
[INFO] [stderr]    Compiling parking v2.1.1
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling async-task v4.4.1
[INFO] [stderr]    Compiling piper v0.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling concurrent-queue v2.3.0
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling rustix v0.38.14
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.7
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling async-executor v1.5.4
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling textwrap v0.11.0
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[INFO] [stderr]    Compiling socket2 v0.5.4
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling event-listener v3.0.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling regex-automata v0.3.8
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling sharded-slab v0.1.6
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.2.2
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stderr]    Compiling async-signal v0.2.1
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling smol-timeout v0.6.0
[INFO] [stderr]    Compiling async-process v1.8.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling smol-potat-macro v0.6.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling smol-potat v1.1.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling tokio v1.32.0
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling blocking v1.4.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling async-net v1.8.0
[INFO] [stderr]    Compiling async-global-executor v2.3.1
[INFO] [stderr]    Compiling smol v1.3.0
[INFO] [stderr]    Compiling async-std v1.12.0
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling xtra v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/address.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         state.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 313 |         let _ = state.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/address.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         state.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 313 |         let _ = state.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.29s
[INFO] running `Command { std: "docker" "inspect" "d51554af053d70b5e9b1feffabdbd9c0cca19b436b1f18f65680a10d9c5cadc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d51554af053d70b5e9b1feffabdbd9c0cca19b436b1f18f65680a10d9c5cadc2", kill_on_drop: false }`
[INFO] [stdout] d51554af053d70b5e9b1feffabdbd9c0cca19b436b1f18f65680a10d9c5cadc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ded7459cc30821f59f17cd5b0e0604c06943f29c5d4bbfdc9af2e9b778ca021d
[INFO] running `Command { std: "docker" "start" "-a" "ded7459cc30821f59f17cd5b0e0604c06943f29c5d4bbfdc9af2e9b778ca021d", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `finish` that must be used
[INFO] [stderr]    --> src/address.rs:313:9
[INFO] [stderr]     |
[INFO] [stderr] 313 |         state.finish();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 313 |         let _ = state.finish();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `xtra` (lib) generated 1 warning
[INFO] [stderr] warning: `xtra` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xtra-61e7a14fc75ea7ca)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test chan::ptr::tests::clone_increments_count ... ok
[INFO] [stdout] test chan::ptr::tests::dropping_last_reference_calls_on_last_drop ... ok
[INFO] [stdout] test chan::ptr::tests::can_clone_either ... ok
[INFO] [stdout] test chan::ptr::tests::can_convert_tx_strong_into_weak ... ok
[INFO] [stdout] test chan::ptr::tests::either_is_strong ... ok
[INFO] [stdout] test chan::ptr::tests::size_of_ptr ... ok
[INFO] [stdout] test chan::ptr::tests::starts_with_rc_count_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xtra
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/address.rs - address::Address<A,Rc>::is_connected (line 129) ... ok
[INFO] [stdout] test src/message_channel.rs - message_channel::MessageChannel (line 19) ... ok
[INFO] [stdout] test src/chan/ptr.rs - chan::ptr::RefCounter (line 191) ... ok
[INFO] [stdout] test src/lib.rs - Handler (line 90) ... ok
[INFO] [stdout] test src/lib.rs - Actor (line 133) ... ok
[INFO] [stdout] test src/lib.rs - select (line 255) ... ok
[INFO] [stdout] test src/lib.rs - join (line 338) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ded7459cc30821f59f17cd5b0e0604c06943f29c5d4bbfdc9af2e9b778ca021d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ded7459cc30821f59f17cd5b0e0604c06943f29c5d4bbfdc9af2e9b778ca021d", kill_on_drop: false }`
[INFO] [stdout] ded7459cc30821f59f17cd5b0e0604c06943f29c5d4bbfdc9af2e9b778ca021d