[INFO] fetching crate alloc-from-pool 1.0.4...
[INFO] testing alloc-from-pool-1.0.4 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate alloc-from-pool 1.0.4 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate alloc-from-pool 1.0.4 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 alloc-from-pool 1.0.4
[INFO] finished tweaking crates.io crate alloc-from-pool 1.0.4
[INFO] tweaked toml for crates.io crate alloc-from-pool 1.0.4 written to /workspace/builds/worker-21/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 29d1201df2b8433f461d165a1efe44b4c485f792ab61715bfdad040e17df33ac
[INFO] running `Command { std: "docker" "start" "-a" "29d1201df2b8433f461d165a1efe44b4c485f792ab61715bfdad040e17df33ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29d1201df2b8433f461d165a1efe44b4c485f792ab61715bfdad040e17df33ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29d1201df2b8433f461d165a1efe44b4c485f792ab61715bfdad040e17df33ac", kill_on_drop: false }`
[INFO] [stdout] 29d1201df2b8433f461d165a1efe44b4c485f792ab61715bfdad040e17df33ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 4a209a147dec5d4235e21b2496522f0cf29d8096e80bd64fdd568a8317390576
[INFO] running `Command { std: "docker" "start" "-a" "4a209a147dec5d4235e21b2496522f0cf29d8096e80bd64fdd568a8317390576", kill_on_drop: false }`
[INFO] [stderr]    Compiling alloc-from-pool v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "4a209a147dec5d4235e21b2496522f0cf29d8096e80bd64fdd568a8317390576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a209a147dec5d4235e21b2496522f0cf29d8096e80bd64fdd568a8317390576", kill_on_drop: false }`
[INFO] [stdout] 4a209a147dec5d4235e21b2496522f0cf29d8096e80bd64fdd568a8317390576
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 2ed6b2fa54a91081a4388d895a44af15b9d902d80d781394b30c0591190b41c0
[INFO] running `Command { std: "docker" "start" "-a" "2ed6b2fa54a91081a4388d895a44af15b9d902d80d781394b30c0591190b41c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling alloc-from-pool v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/alloc_from_pool-74a30b1c01003325)
[INFO] running `Command { std: "docker" "inspect" "2ed6b2fa54a91081a4388d895a44af15b9d902d80d781394b30c0591190b41c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed6b2fa54a91081a4388d895a44af15b9d902d80d781394b30c0591190b41c0", kill_on_drop: false }`
[INFO] [stdout] 2ed6b2fa54a91081a4388d895a44af15b9d902d80d781394b30c0591190b41c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 87575127c8187a2b58ed91376b2d952ca0c716accace029d79785b16be76e93a
[INFO] running `Command { std: "docker" "start" "-a" "87575127c8187a2b58ed91376b2d952ca0c716accace029d79785b16be76e93a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/alloc_from_pool-74a30b1c01003325)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_alloc ... 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] [stderr]    Doc-tests alloc-from-pool
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "87575127c8187a2b58ed91376b2d952ca0c716accace029d79785b16be76e93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87575127c8187a2b58ed91376b2d952ca0c716accace029d79785b16be76e93a", kill_on_drop: false }`
[INFO] [stdout] 87575127c8187a2b58ed91376b2d952ca0c716accace029d79785b16be76e93a