[INFO] fetching crate jbig2dec-sys 0.19.0...
[INFO] testing jbig2dec-sys-0.19.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate jbig2dec-sys 0.19.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate jbig2dec-sys 0.19.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jbig2dec-sys 0.19.0
[INFO] finished tweaking crates.io crate jbig2dec-sys 0.19.0
[INFO] tweaked toml for crates.io crate jbig2dec-sys 0.19.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29b3c1bc06dea281eb2e0660774cc5a546ee689c5b0c30cc01d292662184a3e5
[INFO] running `Command { std: "docker" "start" "-a" "29b3c1bc06dea281eb2e0660774cc5a546ee689c5b0c30cc01d292662184a3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29b3c1bc06dea281eb2e0660774cc5a546ee689c5b0c30cc01d292662184a3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b3c1bc06dea281eb2e0660774cc5a546ee689c5b0c30cc01d292662184a3e5", kill_on_drop: false }`
[INFO] [stdout] 29b3c1bc06dea281eb2e0660774cc5a546ee689c5b0c30cc01d292662184a3e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 481a0dfd5623352d7f473d59458513bb4f0573edb799b08d39de7d31f2862418
[INFO] running `Command { std: "docker" "start" "-a" "481a0dfd5623352d7f473d59458513bb4f0573edb799b08d39de7d31f2862418", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling jbig2dec-sys v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "481a0dfd5623352d7f473d59458513bb4f0573edb799b08d39de7d31f2862418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "481a0dfd5623352d7f473d59458513bb4f0573edb799b08d39de7d31f2862418", kill_on_drop: false }`
[INFO] [stdout] 481a0dfd5623352d7f473d59458513bb4f0573edb799b08d39de7d31f2862418
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f174e7c912b9c9fac5f1bb563acb8e895c38d811159d4364a4bc77a98e20abf
[INFO] running `Command { std: "docker" "start" "-a" "0f174e7c912b9c9fac5f1bb563acb8e895c38d811159d4364a4bc77a98e20abf", kill_on_drop: false }`
[INFO] [stderr]    Compiling jbig2dec-sys v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "0f174e7c912b9c9fac5f1bb563acb8e895c38d811159d4364a4bc77a98e20abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f174e7c912b9c9fac5f1bb563acb8e895c38d811159d4364a4bc77a98e20abf", kill_on_drop: false }`
[INFO] [stdout] 0f174e7c912b9c9fac5f1bb563acb8e895c38d811159d4364a4bc77a98e20abf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24fbe237b00a1807c001d8f4f2fa8ebcec79a3eb38858293346bd5c44fbbdda2
[INFO] running `Command { std: "docker" "start" "-a" "24fbe237b00a1807c001d8f4f2fa8ebcec79a3eb38858293346bd5c44fbbdda2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jbig2dec_sys-416660c1e34c3967)
[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 jbig2dec-sys
[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" "24fbe237b00a1807c001d8f4f2fa8ebcec79a3eb38858293346bd5c44fbbdda2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24fbe237b00a1807c001d8f4f2fa8ebcec79a3eb38858293346bd5c44fbbdda2", kill_on_drop: false }`
[INFO] [stdout] 24fbe237b00a1807c001d8f4f2fa8ebcec79a3eb38858293346bd5c44fbbdda2