[INFO] fetching crate smr 0.1.2...
[INFO] testing smr-0.1.2 against try#015dbcea68b7642e2acc268b5c8f3e9086fc02ff for pr-102570-1
[INFO] extracting crate smr 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate smr 0.1.2 on toolchain 015dbcea68b7642e2acc268b5c8f3e9086fc02ff
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+015dbcea68b7642e2acc268b5c8f3e9086fc02ff" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+015dbcea68b7642e2acc268b5c8f3e9086fc02ff" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+015dbcea68b7642e2acc268b5c8f3e9086fc02ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+015dbcea68b7642e2acc268b5c8f3e9086fc02ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca5f90f784f8689e423a14395e74bdf4966052f5de93c9e872882b80bb83e88d
[INFO] running `Command { std: "docker" "start" "-a" "ca5f90f784f8689e423a14395e74bdf4966052f5de93c9e872882b80bb83e88d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca5f90f784f8689e423a14395e74bdf4966052f5de93c9e872882b80bb83e88d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5f90f784f8689e423a14395e74bdf4966052f5de93c9e872882b80bb83e88d", kill_on_drop: false }`
[INFO] [stdout] ca5f90f784f8689e423a14395e74bdf4966052f5de93c9e872882b80bb83e88d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+015dbcea68b7642e2acc268b5c8f3e9086fc02ff" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0eb54dc427288457a679b6d77802d766caf36be45db8c3153764d68ae9fcb4d5
[INFO] running `Command { std: "docker" "start" "-a" "0eb54dc427288457a679b6d77802d766caf36be45db8c3153764d68ae9fcb4d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling autocfg v1.1.0
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[INFO] [stderr]    Compiling num_cpus v1.14.0
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[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling array-init v2.0.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling ringbuffer v0.8.5
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling crossbeam v0.8.2
[INFO] [stderr]    Compiling nix v0.22.3
[INFO] [stderr]    Compiling procfs v0.10.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling prctl v1.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling filedescriptor v0.8.2
[INFO] [stderr]    Compiling futures-executor v0.3.25
[INFO] [stderr]    Compiling futures v0.3.25
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.76s
[INFO] running `Command { std: "docker" "inspect" "0eb54dc427288457a679b6d77802d766caf36be45db8c3153764d68ae9fcb4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eb54dc427288457a679b6d77802d766caf36be45db8c3153764d68ae9fcb4d5", kill_on_drop: false }`
[INFO] [stdout] 0eb54dc427288457a679b6d77802d766caf36be45db8c3153764d68ae9fcb4d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+015dbcea68b7642e2acc268b5c8f3e9086fc02ff" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ce7b1d248b653cbc6c3da332bd9948fb0043509f6f0079d0b5ddd3bb5590c75
[INFO] running `Command { std: "docker" "start" "-a" "6ce7b1d248b653cbc6c3da332bd9948fb0043509f6f0079d0b5ddd3bb5590c75", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling itertools v0.10.5
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling plotters v0.3.4
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.80s
[INFO] running `Command { std: "docker" "inspect" "6ce7b1d248b653cbc6c3da332bd9948fb0043509f6f0079d0b5ddd3bb5590c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ce7b1d248b653cbc6c3da332bd9948fb0043509f6f0079d0b5ddd3bb5590c75", kill_on_drop: false }`
[INFO] [stdout] 6ce7b1d248b653cbc6c3da332bd9948fb0043509f6f0079d0b5ddd3bb5590c75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+015dbcea68b7642e2acc268b5c8f3e9086fc02ff" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 103a741b49513176ad4668e2a06bb2a5e1ee3b3983507c991194310feb83df68
[INFO] running `Command { std: "docker" "start" "-a" "103a741b49513176ad4668e2a06bb2a5e1ee3b3983507c991194310feb83df68", 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] 
[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 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/smr-988ae53ba307c1c1)
[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 pm_test::test_pm ... ok
[INFO] [stdout] test scheduler_test::test_terminate_worker ... ok
[INFO] [stdout] test scheduler_test::test_sched_crash ... ok
[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 13.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smr
[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" "103a741b49513176ad4668e2a06bb2a5e1ee3b3983507c991194310feb83df68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103a741b49513176ad4668e2a06bb2a5e1ee3b3983507c991194310feb83df68", kill_on_drop: false }`
[INFO] [stdout] 103a741b49513176ad4668e2a06bb2a5e1ee3b3983507c991194310feb83df68