[INFO] fetching crate compression-core 0.4.29...
[INFO] testing compression-core-0.4.29 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate compression-core 0.4.29 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate compression-core 0.4.29
[INFO] finished tweaking crates.io crate compression-core 0.4.29
[INFO] tweaked toml for crates.io crate compression-core 0.4.29 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate compression-core 0.4.29 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate compression-core 0.4.29 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb17b0d03056015e46fb7f050225c16a185cfbf034481a8857331fc994347815
[INFO] running `Command { std: "docker" "start" "-a" "bb17b0d03056015e46fb7f050225c16a185cfbf034481a8857331fc994347815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb17b0d03056015e46fb7f050225c16a185cfbf034481a8857331fc994347815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb17b0d03056015e46fb7f050225c16a185cfbf034481a8857331fc994347815", kill_on_drop: false }`
[INFO] [stdout] bb17b0d03056015e46fb7f050225c16a185cfbf034481a8857331fc994347815
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7fd5aa09ebf994b933eb474567ed883a36354e4ad4a4a7eb382354eed0573e6
[INFO] running `Command { std: "docker" "start" "-a" "c7fd5aa09ebf994b933eb474567ed883a36354e4ad4a4a7eb382354eed0573e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling compression-core v0.4.29 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "c7fd5aa09ebf994b933eb474567ed883a36354e4ad4a4a7eb382354eed0573e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7fd5aa09ebf994b933eb474567ed883a36354e4ad4a4a7eb382354eed0573e6", kill_on_drop: false }`
[INFO] [stdout] c7fd5aa09ebf994b933eb474567ed883a36354e4ad4a4a7eb382354eed0573e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8398e0c88ca4a4bbd6a2ee01aa4ae20eb4180d8d81cbd51d7a649d469afdcb7d
[INFO] running `Command { std: "docker" "start" "-a" "8398e0c88ca4a4bbd6a2ee01aa4ae20eb4180d8d81cbd51d7a649d469afdcb7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling compression-core v0.4.29 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "8398e0c88ca4a4bbd6a2ee01aa4ae20eb4180d8d81cbd51d7a649d469afdcb7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8398e0c88ca4a4bbd6a2ee01aa4ae20eb4180d8d81cbd51d7a649d469afdcb7d", kill_on_drop: false }`
[INFO] [stdout] 8398e0c88ca4a4bbd6a2ee01aa4ae20eb4180d8d81cbd51d7a649d469afdcb7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 86a675d63e0c24612b23fef0283214cbe1a65b12731fe4e9a18b86e955ac3fb5
[INFO] running `Command { std: "docker" "start" "-a" "86a675d63e0c24612b23fef0283214cbe1a65b12731fe4e9a18b86e955ac3fb5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/compression_core-ca05b14ca42e9b3e)
[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] [stderr]    Doc-tests compression_core
[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" "86a675d63e0c24612b23fef0283214cbe1a65b12731fe4e9a18b86e955ac3fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a675d63e0c24612b23fef0283214cbe1a65b12731fe4e9a18b86e955ac3fb5", kill_on_drop: false }`
[INFO] [stdout] 86a675d63e0c24612b23fef0283214cbe1a65b12731fe4e9a18b86e955ac3fb5