[INFO] fetching crate screech 0.2.0...
[INFO] testing screech-0.2.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate screech 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate screech 0.2.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate screech 0.2.0
[INFO] finished tweaking crates.io crate screech 0.2.0
[INFO] tweaked toml for crates.io crate screech 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b356a584130f394ded337916c840b8af40ea9e8922e0ad6dadd7106f4e634c51
[INFO] running `Command { std: "docker" "start" "-a" "b356a584130f394ded337916c840b8af40ea9e8922e0ad6dadd7106f4e634c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b356a584130f394ded337916c840b8af40ea9e8922e0ad6dadd7106f4e634c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b356a584130f394ded337916c840b8af40ea9e8922e0ad6dadd7106f4e634c51", kill_on_drop: false }`
[INFO] [stdout] b356a584130f394ded337916c840b8af40ea9e8922e0ad6dadd7106f4e634c51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45bb24d51efde747c963f605d0510f90bdc5f51e644c3ffc91d2a578d6cd5c46
[INFO] running `Command { std: "docker" "start" "-a" "45bb24d51efde747c963f605d0510f90bdc5f51e644c3ffc91d2a578d6cd5c46", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling screech v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "45bb24d51efde747c963f605d0510f90bdc5f51e644c3ffc91d2a578d6cd5c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45bb24d51efde747c963f605d0510f90bdc5f51e644c3ffc91d2a578d6cd5c46", kill_on_drop: false }`
[INFO] [stdout] 45bb24d51efde747c963f605d0510f90bdc5f51e644c3ffc91d2a578d6cd5c46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7a8ebe0b8975e27e8836000ef3ab9a68436f17494d0f1eb824dcdaeb192fec8
[INFO] running `Command { std: "docker" "start" "-a" "f7a8ebe0b8975e27e8836000ef3ab9a68436f17494d0f1eb824dcdaeb192fec8", kill_on_drop: false }`
[INFO] [stderr]    Compiling screech v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "f7a8ebe0b8975e27e8836000ef3ab9a68436f17494d0f1eb824dcdaeb192fec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a8ebe0b8975e27e8836000ef3ab9a68436f17494d0f1eb824dcdaeb192fec8", kill_on_drop: false }`
[INFO] [stdout] f7a8ebe0b8975e27e8836000ef3ab9a68436f17494d0f1eb824dcdaeb192fec8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c881c0179e4ed40de2245d8b6a613acb8cae4d0c258858c7578b5b235a818341
[INFO] running `Command { std: "docker" "start" "-a" "c881c0179e4ed40de2245d8b6a613acb8cae4d0c258858c7578b5b235a818341", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/screech-30a446aefac63e9c)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test sample::tests::test_play_loop_buffer_larger_than_sample ... ok
[INFO] [stdout] test sample::tests::test_play_loop_buffer_smaller_than_sample ... ok
[INFO] [stdout] test sample::tests::test_play_oneshot ... ok
[INFO] [stdout] test stream::tests::test_amplify ... ok
[INFO] [stdout] test stream::tests::test_from_i16 ... ok
[INFO] [stdout] test stream::tests::test_from_i32 ... ok
[INFO] [stdout] test stream::tests::test_from_u8 ... ok
[INFO] [stdout] test stream::tests::test_i16_to_point ... ok
[INFO] [stdout] test stream::tests::test_i32_to_point ... ok
[INFO] [stdout] test stream::tests::test_mix ... ok
[INFO] [stdout] test stream::tests::test_u8_to_point ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests screech
[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" "c881c0179e4ed40de2245d8b6a613acb8cae4d0c258858c7578b5b235a818341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c881c0179e4ed40de2245d8b6a613acb8cae4d0c258858c7578b5b235a818341", kill_on_drop: false }`
[INFO] [stdout] c881c0179e4ed40de2245d8b6a613acb8cae4d0c258858c7578b5b235a818341