[INFO] fetching crate ringbuff 0.1.5...
[INFO] testing ringbuff-0.1.5 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate ringbuff 0.1.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate ringbuff 0.1.5
[INFO] finished tweaking crates.io crate ringbuff 0.1.5
[INFO] tweaked toml for crates.io crate ringbuff 0.1.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ringbuff 0.1.5 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ringbuff 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5dcf5204384d74bd40e591b396b2fe773c70a8822ae8b2597a13320b81e6d9e
[INFO] running `Command { std: "docker" "start" "-a" "a5dcf5204384d74bd40e591b396b2fe773c70a8822ae8b2597a13320b81e6d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5dcf5204384d74bd40e591b396b2fe773c70a8822ae8b2597a13320b81e6d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5dcf5204384d74bd40e591b396b2fe773c70a8822ae8b2597a13320b81e6d9e", kill_on_drop: false }`
[INFO] [stdout] a5dcf5204384d74bd40e591b396b2fe773c70a8822ae8b2597a13320b81e6d9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f0476a791ed41a94e551b0fd5523d859b7dea6f2d9d8574f155ab61a669bb3e
[INFO] running `Command { std: "docker" "start" "-a" "6f0476a791ed41a94e551b0fd5523d859b7dea6f2d9d8574f155ab61a669bb3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringbuff v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "6f0476a791ed41a94e551b0fd5523d859b7dea6f2d9d8574f155ab61a669bb3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f0476a791ed41a94e551b0fd5523d859b7dea6f2d9d8574f155ab61a669bb3e", kill_on_drop: false }`
[INFO] [stdout] 6f0476a791ed41a94e551b0fd5523d859b7dea6f2d9d8574f155ab61a669bb3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3124afa24d11ea9d9833fbd87c29294f8c52b65f1ba5d72e956b96ebbcebd5d0
[INFO] running `Command { std: "docker" "start" "-a" "3124afa24d11ea9d9833fbd87c29294f8c52b65f1ba5d72e956b96ebbcebd5d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringbuff v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "3124afa24d11ea9d9833fbd87c29294f8c52b65f1ba5d72e956b96ebbcebd5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3124afa24d11ea9d9833fbd87c29294f8c52b65f1ba5d72e956b96ebbcebd5d0", kill_on_drop: false }`
[INFO] [stdout] 3124afa24d11ea9d9833fbd87c29294f8c52b65f1ba5d72e956b96ebbcebd5d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77f4d5c3feaf628a820a7bc63452323de179013de004e0ed209c6968a95f3c2c
[INFO] running `Command { std: "docker" "start" "-a" "77f4d5c3feaf628a820a7bc63452323de179013de004e0ed209c6968a95f3c2c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ringbuff-54d3491bac1961b7)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests ringbuff
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "77f4d5c3feaf628a820a7bc63452323de179013de004e0ed209c6968a95f3c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f4d5c3feaf628a820a7bc63452323de179013de004e0ed209c6968a95f3c2c", kill_on_drop: false }`
[INFO] [stdout] 77f4d5c3feaf628a820a7bc63452323de179013de004e0ed209c6968a95f3c2c