[INFO] fetching crate mpmc-scheduler 0.3.1...
[INFO] testing mpmc-scheduler-0.3.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate mpmc-scheduler 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mpmc-scheduler 0.3.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mpmc-scheduler 0.3.1
[INFO] finished tweaking crates.io crate mpmc-scheduler 0.3.1
[INFO] tweaked toml for crates.io crate mpmc-scheduler 0.3.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bus v2.2.3
[INFO] [stderr]   Downloaded atomic-option v0.1.2
[INFO] [stderr]   Downloaded npnc v0.2.1
[INFO] [stderr]   Downloaded hazard v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1c62bd96c8eaacb55f4803e06d7abe7ad5f857f040ee5e4f79e7249d9abdae7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c1c62bd96c8eaacb55f4803e06d7abe7ad5f857f040ee5e4f79e7249d9abdae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1c62bd96c8eaacb55f4803e06d7abe7ad5f857f040ee5e4f79e7249d9abdae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c62bd96c8eaacb55f4803e06d7abe7ad5f857f040ee5e4f79e7249d9abdae7", kill_on_drop: false }`
[INFO] [stdout] c1c62bd96c8eaacb55f4803e06d7abe7ad5f857f040ee5e4f79e7249d9abdae7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 89aac79c93aab7407f2001fc3fd0c7456470c7166b21ba33e3420a71180013f5
[INFO] running `Command { std: "docker" "start" "-a" "89aac79c93aab7407f2001fc3fd0c7456470c7166b21ba33e3420a71180013f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling atomic-option v0.1.2
[INFO] [stderr]    Compiling hazard v0.3.1
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling npnc v0.2.1
[INFO] [stderr]    Compiling bus v2.2.3
[INFO] [stderr]    Compiling mpmc-scheduler v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "89aac79c93aab7407f2001fc3fd0c7456470c7166b21ba33e3420a71180013f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89aac79c93aab7407f2001fc3fd0c7456470c7166b21ba33e3420a71180013f5", kill_on_drop: false }`
[INFO] [stdout] 89aac79c93aab7407f2001fc3fd0c7456470c7166b21ba33e3420a71180013f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5d4dccce4b60011098df8bbface7f07d247d8671b20854a1473441dc0748972
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5d4dccce4b60011098df8bbface7f07d247d8671b20854a1473441dc0748972", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling mpmc-scheduler v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `i32` should have an upper camel case name
[INFO] [stdout]   --> examples/dynamic_dispatch.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     i32(i32),
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `I32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/lib.rs:522:24
[INFO] [stdout]     |
[INFO] [stdout] 522 |             Some(move |v| {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:644:21
[INFO] [stdout]     |
[INFO] [stdout] 644 |                 for i in start..end {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.52s
[INFO] running `Command { std: "docker" "inspect" "c5d4dccce4b60011098df8bbface7f07d247d8671b20854a1473441dc0748972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d4dccce4b60011098df8bbface7f07d247d8671b20854a1473441dc0748972", kill_on_drop: false }`
[INFO] [stdout] c5d4dccce4b60011098df8bbface7f07d247d8671b20854a1473441dc0748972
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81ea30334b7bb65028746b6f07688c6bdd7ae4b6c1365d32e3136b8023203de8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "81ea30334b7bb65028746b6f07688c6bdd7ae4b6c1365d32e3136b8023203de8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variant `i32` should have an upper camel case name
[INFO] [stderr]   --> examples/dynamic_dispatch.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     i32(i32),
[INFO] [stderr]    |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `I32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/lib.rs:522:24
[INFO] [stderr]     |
[INFO] [stderr] 522 |             Some(move |v| {
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:644:21
[INFO] [stderr]     |
[INFO] [stderr] 644 |                 for i in start..end {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mpmc_scheduler-3f443d3cf1e79cdd)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::bench_mpsw ... ignored
[INFO] [stdout] test tests::verify_non_clone ... ok
[INFO] [stdout] test tests::verify_sync_sender ... ok
[INFO] [stdout] test tests::verify_spmw_underload ... ok
[INFO] [stdout] test tests::verify_length ... ok
[INFO] [stdout] test tests::verify_spsw ... ok
[INFO] [stdout] test tests::verify_spmw ... ok
[INFO] [stdout] test tests::verify_mpsw ... ok
[INFO] [stdout] test tests::verify_spmw_overload ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 39.25s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mpmc-scheduler
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.90s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "81ea30334b7bb65028746b6f07688c6bdd7ae4b6c1365d32e3136b8023203de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81ea30334b7bb65028746b6f07688c6bdd7ae4b6c1365d32e3136b8023203de8", kill_on_drop: false }`
[INFO] [stdout] 81ea30334b7bb65028746b6f07688c6bdd7ae4b6c1365d32e3136b8023203de8