[INFO] fetching crate smr 0.1.2...
[INFO] testing smr-0.1.2 against master#23949593103d03a82c7ebc2e84434ce6c6edc561 for pr-115235
[INFO] extracting crate smr 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate smr 0.1.2 on toolchain 23949593103d03a82c7ebc2e84434ce6c6edc561
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smr 0.1.2
[INFO] finished tweaking crates.io crate smr 0.1.2
[INFO] tweaked toml for crates.io crate smr 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded seccomp-sys v0.1.3
[INFO] [stderr]   Downloaded prctl v1.0.0
[INFO] [stderr]   Downloaded ringbuffer v0.8.5
[INFO] [stderr]   Downloaded procfs v0.10.1
[INFO] [stderr]   Downloaded ipc-channel v0.15.0
[INFO] [stderr]   Downloaded syscallz v0.16.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01cb9002b45951c97c79fb352117527409adfb88680a73caf258cf0306d50008
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[INFO] running `Command { std: "docker" "rm" "-f" "01cb9002b45951c97c79fb352117527409adfb88680a73caf258cf0306d50008", kill_on_drop: false }`
[INFO] [stdout] 01cb9002b45951c97c79fb352117527409adfb88680a73caf258cf0306d50008
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8aaff477b78a18e7e131753de0af8b6967f622eaf74148f51917e31d7e225cdc
[INFO] running `Command { std: "docker" "start" "-a" "8aaff477b78a18e7e131753de0af8b6967f622eaf74148f51917e31d7e225cdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling memchr v2.6.3
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[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling socket2 v0.5.4
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[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling array-init v2.1.0
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[INFO] [stderr]    Compiling tokio v1.32.0
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[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling filedescriptor v0.8.2
[INFO] [stderr]    Compiling nix v0.22.3
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling ipc-channel v0.15.0
[INFO] [stderr]    Compiling smr v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `tokio::sync::RwLockReadGuard` that must be used
[INFO] [stdout]    --> src/pm.rs:185:7
[INFO] [stdout]     |
[INFO] [stdout] 185 |       term.read().await;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if unused the RwLock will immediately unlock
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 185 |       let _ = term.read().await;
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.70s
[INFO] running `Command { std: "docker" "inspect" "8aaff477b78a18e7e131753de0af8b6967f622eaf74148f51917e31d7e225cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aaff477b78a18e7e131753de0af8b6967f622eaf74148f51917e31d7e225cdc", kill_on_drop: false }`
[INFO] [stdout] 8aaff477b78a18e7e131753de0af8b6967f622eaf74148f51917e31d7e225cdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47a25527f9dd2c32ea41cee727aefd4e3ad8329a7d066c568ff229060cee4ff5
[INFO] running `Command { std: "docker" "start" "-a" "47a25527f9dd2c32ea41cee727aefd4e3ad8329a7d066c568ff229060cee4ff5", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling csv v1.2.2
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stdout] warning: unused `tokio::sync::RwLockReadGuard` that must be used
[INFO] [stdout]    --> src/pm.rs:185:7
[INFO] [stdout]     |
[INFO] [stdout] 185 |       term.read().await;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if unused the RwLock will immediately unlock
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 185 |       let _ = term.read().await;
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling smr v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `tokio::sync::RwLockReadGuard` that must be used
[INFO] [stdout]    --> src/pm.rs:185:7
[INFO] [stdout]     |
[INFO] [stdout] 185 |       term.read().await;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if unused the RwLock will immediately unlock
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 185 |       let _ = term.read().await;
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.64s
[INFO] running `Command { std: "docker" "inspect" "47a25527f9dd2c32ea41cee727aefd4e3ad8329a7d066c568ff229060cee4ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a25527f9dd2c32ea41cee727aefd4e3ad8329a7d066c568ff229060cee4ff5", kill_on_drop: false }`
[INFO] [stdout] 47a25527f9dd2c32ea41cee727aefd4e3ad8329a7d066c568ff229060cee4ff5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0071aafd3aa4e6979bfbe07dcc321a51596a5568d35199fad2811e4e4077060a
[INFO] running `Command { std: "docker" "start" "-a" "0071aafd3aa4e6979bfbe07dcc321a51596a5568d35199fad2811e4e4077060a", kill_on_drop: false }`
[INFO] [stderr] warning: unused `tokio::sync::RwLockReadGuard` that must be used
[INFO] [stderr]    --> src/pm.rs:185:7
[INFO] [stderr]     |
[INFO] [stderr] 185 |       term.read().await;
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if unused the RwLock will immediately unlock
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 185 |       let _ = term.read().await;
[INFO] [stderr]     |       +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `smr` (lib) generated 1 warning
[INFO] [stderr] warning: `smr` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/smr-6ec28bd83dc5584a)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test pm_test::test_pm_slow_one_worker ... ok
[INFO] [stdout] test pm_test::test_pm_slow_many_workers ... ok
[INFO] [stdout] test scheduler_test::test_terminate_worker ... ok
[INFO] [stdout] test pm_test::test_pm ... ok
[INFO] [stdout] test scheduler_test::test_sched_crash ... ok
[INFO] [stderr]    Doc-tests smr
[INFO] [stdout] test scheduler_test::test_sched_scale_out_in ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 16.93s
[INFO] [stdout] 
[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" "0071aafd3aa4e6979bfbe07dcc321a51596a5568d35199fad2811e4e4077060a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0071aafd3aa4e6979bfbe07dcc321a51596a5568d35199fad2811e4e4077060a", kill_on_drop: false }`
[INFO] [stdout] 0071aafd3aa4e6979bfbe07dcc321a51596a5568d35199fad2811e4e4077060a