[INFO] fetching crate brioche-ducc-serde 0.1.2-brioche...
[INFO] testing brioche-ducc-serde-0.1.2-brioche against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate brioche-ducc-serde 0.1.2-brioche into /workspace/builds/worker-70/source
[INFO] validating manifest of crates.io crate brioche-ducc-serde 0.1.2-brioche on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brioche-ducc-serde 0.1.2-brioche
[INFO] finished tweaking crates.io crate brioche-ducc-serde 0.1.2-brioche
[INFO] tweaked toml for crates.io crate brioche-ducc-serde 0.1.2-brioche written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2669c8c6e7e7fbbc2bdf95f66244b0d326da4764f97e56fbbb41d20e47218490
[INFO] running `Command { std: "docker" "start" "-a" "2669c8c6e7e7fbbc2bdf95f66244b0d326da4764f97e56fbbb41d20e47218490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2669c8c6e7e7fbbc2bdf95f66244b0d326da4764f97e56fbbb41d20e47218490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2669c8c6e7e7fbbc2bdf95f66244b0d326da4764f97e56fbbb41d20e47218490", kill_on_drop: false }`
[INFO] [stdout] 2669c8c6e7e7fbbc2bdf95f66244b0d326da4764f97e56fbbb41d20e47218490
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e31094f3041ea370df05547f40ddebc74c5e572a388b605a6e15243fccd38b8
[INFO] running `Command { std: "docker" "start" "-a" "9e31094f3041ea370df05547f40ddebc74c5e572a388b605a6e15243fccd38b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling cesu8 v1.1.0
[INFO] [stderr]    Compiling brioche-ducc-sys v0.1.2-brioche
[INFO] [stderr]    Compiling brioche-ducc v0.1.2-brioche
[INFO] [stderr]    Compiling brioche-ducc-serde v0.1.2-brioche (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.53s
[INFO] running `Command { std: "docker" "inspect" "9e31094f3041ea370df05547f40ddebc74c5e572a388b605a6e15243fccd38b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e31094f3041ea370df05547f40ddebc74c5e572a388b605a6e15243fccd38b8", kill_on_drop: false }`
[INFO] [stdout] 9e31094f3041ea370df05547f40ddebc74c5e572a388b605a6e15243fccd38b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 186afc0662820cf9b2802f2f66eb5c3f71ad2f25ef53d44c37c9bee2bbf9407a
[INFO] running `Command { std: "docker" "start" "-a" "186afc0662820cf9b2802f2f66eb5c3f71ad2f25ef53d44c37c9bee2bbf9407a", kill_on_drop: false }`
[INFO] [stderr]    Compiling brioche-ducc-serde v0.1.2-brioche (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "186afc0662820cf9b2802f2f66eb5c3f71ad2f25ef53d44c37c9bee2bbf9407a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "186afc0662820cf9b2802f2f66eb5c3f71ad2f25ef53d44c37c9bee2bbf9407a", kill_on_drop: false }`
[INFO] [stdout] 186afc0662820cf9b2802f2f66eb5c3f71ad2f25ef53d44c37c9bee2bbf9407a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6fef5472d943aaa66d20e58286fd1cf4d5bad793141bb282e7b2153cc98876e4
[INFO] running `Command { std: "docker" "start" "-a" "6fef5472d943aaa66d20e58286fd1cf4d5bad793141bb282e7b2153cc98876e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/brioche_ducc_serde-cc8cda533c5a3780)
[INFO] [stderr]    Doc-tests brioche-ducc-serde
[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 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" "6fef5472d943aaa66d20e58286fd1cf4d5bad793141bb282e7b2153cc98876e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fef5472d943aaa66d20e58286fd1cf4d5bad793141bb282e7b2153cc98876e4", kill_on_drop: false }`
[INFO] [stdout] 6fef5472d943aaa66d20e58286fd1cf4d5bad793141bb282e7b2153cc98876e4