[INFO] fetching crate alternate_buffer 0.1.0...
[INFO] testing alternate_buffer-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate alternate_buffer 0.1.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate alternate_buffer 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alternate_buffer 0.1.0
[INFO] finished tweaking crates.io crate alternate_buffer 0.1.0
[INFO] tweaked toml for crates.io crate alternate_buffer 0.1.0 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60400e6fb2ab00fe4a9892ed10d6b9c000593fbab056367ab9a513f6ef5da23c
[INFO] running `Command { std: "docker" "start" "-a" "60400e6fb2ab00fe4a9892ed10d6b9c000593fbab056367ab9a513f6ef5da23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60400e6fb2ab00fe4a9892ed10d6b9c000593fbab056367ab9a513f6ef5da23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60400e6fb2ab00fe4a9892ed10d6b9c000593fbab056367ab9a513f6ef5da23c", kill_on_drop: false }`
[INFO] [stdout] 60400e6fb2ab00fe4a9892ed10d6b9c000593fbab056367ab9a513f6ef5da23c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e0b73c9828c2e5c55e447637dfa10c1a7cf09a8b0b58b0bd5db94e4ca02a9e2
[INFO] running `Command { std: "docker" "start" "-a" "8e0b73c9828c2e5c55e447637dfa10c1a7cf09a8b0b58b0bd5db94e4ca02a9e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling alternate_buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "8e0b73c9828c2e5c55e447637dfa10c1a7cf09a8b0b58b0bd5db94e4ca02a9e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e0b73c9828c2e5c55e447637dfa10c1a7cf09a8b0b58b0bd5db94e4ca02a9e2", kill_on_drop: false }`
[INFO] [stdout] 8e0b73c9828c2e5c55e447637dfa10c1a7cf09a8b0b58b0bd5db94e4ca02a9e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a062ee54fc40a52fe0541d25ebd536fff34aada4450045d1b868741fb25f508
[INFO] running `Command { std: "docker" "start" "-a" "4a062ee54fc40a52fe0541d25ebd536fff34aada4450045d1b868741fb25f508", kill_on_drop: false }`
[INFO] [stderr]    Compiling alternate_buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/alternate_buffer-5e4f4c3395f7449b)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/alternate_buffer-f21400289f02fc40)
[INFO] running `Command { std: "docker" "inspect" "4a062ee54fc40a52fe0541d25ebd536fff34aada4450045d1b868741fb25f508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a062ee54fc40a52fe0541d25ebd536fff34aada4450045d1b868741fb25f508", kill_on_drop: false }`
[INFO] [stdout] 4a062ee54fc40a52fe0541d25ebd536fff34aada4450045d1b868741fb25f508
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 84975a08b3912ef8d85908a6d8c6434a4f0124c02ad498478bcdc528e601797b
[INFO] running `Command { std: "docker" "start" "-a" "84975a08b3912ef8d85908a6d8c6434a4f0124c02ad498478bcdc528e601797b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/alternate_buffer-5e4f4c3395f7449b)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/alternate_buffer-f21400289f02fc40)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests alternate_buffer
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "84975a08b3912ef8d85908a6d8c6434a4f0124c02ad498478bcdc528e601797b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84975a08b3912ef8d85908a6d8c6434a4f0124c02ad498478bcdc528e601797b", kill_on_drop: false }`
[INFO] [stdout] 84975a08b3912ef8d85908a6d8c6434a4f0124c02ad498478bcdc528e601797b