[INFO] fetching crate base2048 0.2.1...
[INFO] testing base2048-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate base2048 0.2.1 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate base2048 0.2.1 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 base2048 0.2.1
[INFO] finished tweaking crates.io crate base2048 0.2.1
[INFO] tweaked toml for crates.io crate base2048 0.2.1 written to /workspace/builds/worker-96/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 14e0943ddb4b070d6216b45fc05e697c40cda7212b94a807ca6a9cce30fd0845
[INFO] running `Command { std: "docker" "start" "-a" "14e0943ddb4b070d6216b45fc05e697c40cda7212b94a807ca6a9cce30fd0845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14e0943ddb4b070d6216b45fc05e697c40cda7212b94a807ca6a9cce30fd0845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e0943ddb4b070d6216b45fc05e697c40cda7212b94a807ca6a9cce30fd0845", kill_on_drop: false }`
[INFO] [stdout] 14e0943ddb4b070d6216b45fc05e697c40cda7212b94a807ca6a9cce30fd0845
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 3f1d807c897f8fb88f015d0ac2fb2c38b1540d7eaacaf56f675a838d1ed22e37
[INFO] running `Command { std: "docker" "start" "-a" "3f1d807c897f8fb88f015d0ac2fb2c38b1540d7eaacaf56f675a838d1ed22e37", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling base2048 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "3f1d807c897f8fb88f015d0ac2fb2c38b1540d7eaacaf56f675a838d1ed22e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f1d807c897f8fb88f015d0ac2fb2c38b1540d7eaacaf56f675a838d1ed22e37", kill_on_drop: false }`
[INFO] [stdout] 3f1d807c897f8fb88f015d0ac2fb2c38b1540d7eaacaf56f675a838d1ed22e37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 4f5f8c63921803e9b334c8cbe93c9b556e64c653553d3840de57a94ff3970cb0
[INFO] running `Command { std: "docker" "start" "-a" "4f5f8c63921803e9b334c8cbe93c9b556e64c653553d3840de57a94ff3970cb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]    Compiling hex-literal v0.2.1
[INFO] [stderr]    Compiling base2048 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "4f5f8c63921803e9b334c8cbe93c9b556e64c653553d3840de57a94ff3970cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5f8c63921803e9b334c8cbe93c9b556e64c653553d3840de57a94ff3970cb0", kill_on_drop: false }`
[INFO] [stdout] 4f5f8c63921803e9b334c8cbe93c9b556e64c653553d3840de57a94ff3970cb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] a3c7899e79ce88a565f03e5f53e15d31a8ec5eea9068c07af1c2a77de5eeeae2
[INFO] running `Command { std: "docker" "start" "-a" "a3c7899e79ce88a565f03e5f53e15d31a8ec5eea9068c07af1c2a77de5eeeae2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/base2048-cb7468d4558c1b84)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests base2048
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::wrong_tail_character ... ok
[INFO] [stdout] test test::encode_decode_roundtrip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - encode (line 15) ... ok
[INFO] [stdout] test src/lib.rs - decode (line 64) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a3c7899e79ce88a565f03e5f53e15d31a8ec5eea9068c07af1c2a77de5eeeae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c7899e79ce88a565f03e5f53e15d31a8ec5eea9068c07af1c2a77de5eeeae2", kill_on_drop: false }`
[INFO] [stdout] a3c7899e79ce88a565f03e5f53e15d31a8ec5eea9068c07af1c2a77de5eeeae2