[INFO] fetching crate slidetown 0.1.0...
[INFO] testing slidetown-0.1.0 against 1.55.0 for beta-1.56-2
[INFO] extracting crate slidetown 0.1.0 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate slidetown 0.1.0 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 slidetown 0.1.0
[INFO] finished tweaking crates.io crate slidetown 0.1.0
[INFO] tweaked toml for crates.io crate slidetown 0.1.0 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate crates.io crate slidetown 0.1.0 already has a lockfile, it will not be regenerated
[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-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 4d20aa212834a9fd57311e334a494ea1d91dede094b71da8303dd62e83f49564
[INFO] running `Command { std: "docker" "start" "-a" "4d20aa212834a9fd57311e334a494ea1d91dede094b71da8303dd62e83f49564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d20aa212834a9fd57311e334a494ea1d91dede094b71da8303dd62e83f49564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d20aa212834a9fd57311e334a494ea1d91dede094b71da8303dd62e83f49564", kill_on_drop: false }`
[INFO] [stdout] 4d20aa212834a9fd57311e334a494ea1d91dede094b71da8303dd62e83f49564
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] d38cfad8bdc9ea34285c78bb1539fb4179d8c3a2fa0c1c2f8d18f32f2a08de09
[INFO] running `Command { std: "docker" "start" "-a" "d38cfad8bdc9ea34285c78bb1539fb4179d8c3a2fa0c1c2f8d18f32f2a08de09", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling binread_derive v2.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling binread v2.1.1
[INFO] [stderr]    Compiling slidetown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "d38cfad8bdc9ea34285c78bb1539fb4179d8c3a2fa0c1c2f8d18f32f2a08de09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d38cfad8bdc9ea34285c78bb1539fb4179d8c3a2fa0c1c2f8d18f32f2a08de09", kill_on_drop: false }`
[INFO] [stdout] d38cfad8bdc9ea34285c78bb1539fb4179d8c3a2fa0c1c2f8d18f32f2a08de09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] d610e402e6499468d6434d55984c110721f699d9f90ee91b33e8abdd34cf9794
[INFO] running `Command { std: "docker" "start" "-a" "d610e402e6499468d6434d55984c110721f699d9f90ee91b33e8abdd34cf9794", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling imageproc v0.22.0
[INFO] [stderr]    Compiling slidetown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "d610e402e6499468d6434d55984c110721f699d9f90ee91b33e8abdd34cf9794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d610e402e6499468d6434d55984c110721f699d9f90ee91b33e8abdd34cf9794", kill_on_drop: false }`
[INFO] [stdout] d610e402e6499468d6434d55984c110721f699d9f90ee91b33e8abdd34cf9794
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 7da0850958d193123dfbaf98a054f5098c5a104d550ef0b041aed6c04e240fa5
[INFO] running `Command { std: "docker" "start" "-a" "7da0850958d193123dfbaf98a054f5098c5a104d550ef0b041aed6c04e240fa5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.39s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slidetown-ef8d87569041da73)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slidetown
[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" "7da0850958d193123dfbaf98a054f5098c5a104d550ef0b041aed6c04e240fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7da0850958d193123dfbaf98a054f5098c5a104d550ef0b041aed6c04e240fa5", kill_on_drop: false }`
[INFO] [stdout] 7da0850958d193123dfbaf98a054f5098c5a104d550ef0b041aed6c04e240fa5