[INFO] fetching crate bare_cnr 0.1.0-alpha.1...
[INFO] testing bare_cnr-0.1.0-alpha.1 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate bare_cnr 0.1.0-alpha.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bare_cnr 0.1.0-alpha.1 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bare_cnr 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate bare_cnr 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate bare_cnr 0.1.0-alpha.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 72 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_bare v0.5.0
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0c4a70bf7757c4fbaa592a2858310927285065315aabcd996119ddf5c816466
[INFO] running `Command { std: "docker" "start" "-a" "f0c4a70bf7757c4fbaa592a2858310927285065315aabcd996119ddf5c816466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0c4a70bf7757c4fbaa592a2858310927285065315aabcd996119ddf5c816466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0c4a70bf7757c4fbaa592a2858310927285065315aabcd996119ddf5c816466", kill_on_drop: false }`
[INFO] [stdout] f0c4a70bf7757c4fbaa592a2858310927285065315aabcd996119ddf5c816466
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cfffc3321957647ad849d07d4adcd09302a5fdf9419e60edf3269f694496a54
[INFO] running `Command { std: "docker" "start" "-a" "6cfffc3321957647ad849d07d4adcd09302a5fdf9419e60edf3269f694496a54", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_bare v0.5.0
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling bare_cnr v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/multiplexer.rs:150:32
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     if let Err(err) = oe.get().send(buf).await {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `task_tx` and `task_rx` are never read
[INFO] [stdout]   --> src/multiplexer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TransportMultiplexer {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout] 16 |     task_tx: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 17 |     task_rx: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.86s
[INFO] running `Command { std: "docker" "inspect" "6cfffc3321957647ad849d07d4adcd09302a5fdf9419e60edf3269f694496a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cfffc3321957647ad849d07d4adcd09302a5fdf9419e60edf3269f694496a54", kill_on_drop: false }`
[INFO] [stdout] 6cfffc3321957647ad849d07d4adcd09302a5fdf9419e60edf3269f694496a54
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bee62f04324df46054c61b5399eae847ae767805aedd63b2e8268317ce01d9b
[INFO] running `Command { std: "docker" "start" "-a" "1bee62f04324df46054c61b5399eae847ae767805aedd63b2e8268317ce01d9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling async-stream v0.3.5
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling tokio-stream v0.1.15
[INFO] [stderr]    Compiling bare_cnr v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/multiplexer.rs:150:32
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     if let Err(err) = oe.get().send(buf).await {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `task_tx` and `task_rx` are never read
[INFO] [stdout]   --> src/multiplexer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TransportMultiplexer {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout] 16 |     task_tx: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 17 |     task_rx: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/multiplexer.rs:150:32
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     if let Err(err) = oe.get().send(buf).await {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `task_tx` and `task_rx` are never read
[INFO] [stdout]   --> src/multiplexer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TransportMultiplexer {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout] 16 |     task_tx: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 17 |     task_rx: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.13s
[INFO] running `Command { std: "docker" "inspect" "1bee62f04324df46054c61b5399eae847ae767805aedd63b2e8268317ce01d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bee62f04324df46054c61b5399eae847ae767805aedd63b2e8268317ce01d9b", kill_on_drop: false }`
[INFO] [stdout] 1bee62f04324df46054c61b5399eae847ae767805aedd63b2e8268317ce01d9b
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 767e999a1ecbb1c95ee1017c8af686528eb4b984caa6c2aa079fca7aaaaa1507
[INFO] running `Command { std: "docker" "start" "-a" "767e999a1ecbb1c95ee1017c8af686528eb4b984caa6c2aa079fca7aaaaa1507", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/multiplexer.rs:150:32
[INFO] [stderr]     |
[INFO] [stderr] 150 |                     if let Err(err) = oe.get().send(buf).await {
[INFO] [stderr]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `task_tx` and `task_rx` are never read
[INFO] [stderr]   --> src/multiplexer.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct TransportMultiplexer {
[INFO] [stderr]    |            -------------------- fields in this struct
[INFO] [stderr] 16 |     task_tx: JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 17 |     task_rx: JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bare_cnr` (lib) generated 2 warnings
[INFO] [stderr] warning: `bare_cnr` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bare_cnr-ed9f5d61db8831b4)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test multiplexer::test::test_channel_handover ... ok
[INFO] [stdout] test multiplexer::test::test_data_reaches_the_other_side ... 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]    Doc-tests bare_cnr
[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] running `Command { std: "docker" "inspect" "767e999a1ecbb1c95ee1017c8af686528eb4b984caa6c2aa079fca7aaaaa1507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767e999a1ecbb1c95ee1017c8af686528eb4b984caa6c2aa079fca7aaaaa1507", kill_on_drop: false }`
[INFO] [stdout] 767e999a1ecbb1c95ee1017c8af686528eb4b984caa6c2aa079fca7aaaaa1507
