[INFO] fetching crate shrink 0.2.0...
[INFO] testing shrink-0.2.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate shrink 0.2.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate shrink 0.2.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shrink 0.2.0
[INFO] finished tweaking crates.io crate shrink 0.2.0
[INFO] tweaked toml for crates.io crate shrink 0.2.0 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate crates.io crate shrink 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded tiff v0.3.1
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.0
[INFO] [stderr]   Downloaded scopeguard v1.0.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.2
[INFO] [stderr]   Downloaded rayon-core v1.6.1
[INFO] [stderr]   Downloaded num-rational v0.2.2
[INFO] [stderr]   Downloaded png v0.15.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.3
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.16
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded deflate v0.7.20
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded gif v0.10.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded num_cpus v1.11.1
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded memoffset v0.5.3
[INFO] [stderr]   Downloaded num-derive v0.2.5
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.9
[INFO] [stderr]   Downloaded either v1.5.3
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] [stderr]   Downloaded inflate v0.4.5
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded adler32 v1.0.4
[INFO] [stderr]   Downloaded kamadak-exif v0.4.0
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded lzw v0.10.0
[INFO] [stderr]   Downloaded proc-macro-error v0.2.6
[INFO] [stderr]   Downloaded color_quant v1.0.1
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded syn v0.15.44
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded crc32fast v1.2.0
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded syn v1.0.11
[INFO] [stderr]   Downloaded image v0.22.3
[INFO] [stderr]   Downloaded mutate_once v0.1.1
[INFO] [stderr]   Downloaded atty v0.2.13
[INFO] [stderr]   Downloaded structopt-derive v0.3.5
[INFO] [stderr]   Downloaded structopt v0.3.5
[INFO] [stderr]   Downloaded rayon v1.2.1
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc61fc1535e7f6fabe64fda3e10c732086aa5c85d159d7672c38a74363592833
[INFO] running `Command { std: "docker" "start" "-a" "fc61fc1535e7f6fabe64fda3e10c732086aa5c85d159d7672c38a74363592833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc61fc1535e7f6fabe64fda3e10c732086aa5c85d159d7672c38a74363592833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc61fc1535e7f6fabe64fda3e10c732086aa5c85d159d7672c38a74363592833", kill_on_drop: false }`
[INFO] [stdout] fc61fc1535e7f6fabe64fda3e10c732086aa5c85d159d7672c38a74363592833
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34060bd9ac1275bbffef2f7f0dd8ed1a515caf991eefcc32ca545f8fd42a501a
[INFO] running `Command { std: "docker" "start" "-a" "34060bd9ac1275bbffef2f7f0dd8ed1a515caf991eefcc32ca545f8fd42a501a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling mutate_once v0.1.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling kamadak-exif v0.4.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling png v0.15.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rayon v1.2.1
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling image v0.22.3
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling structopt v0.3.5
[INFO] [stderr]    Compiling shrink v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.86s
[INFO] running `Command { std: "docker" "inspect" "34060bd9ac1275bbffef2f7f0dd8ed1a515caf991eefcc32ca545f8fd42a501a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34060bd9ac1275bbffef2f7f0dd8ed1a515caf991eefcc32ca545f8fd42a501a", kill_on_drop: false }`
[INFO] [stdout] 34060bd9ac1275bbffef2f7f0dd8ed1a515caf991eefcc32ca545f8fd42a501a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7af23af7fe5460a7ee11da28fe329547d2979ffa85d1e3d364779f49b69e003f
[INFO] running `Command { std: "docker" "start" "-a" "7af23af7fe5460a7ee11da28fe329547d2979ffa85d1e3d364779f49b69e003f", kill_on_drop: false }`
[INFO] [stderr]    Compiling shrink v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "7af23af7fe5460a7ee11da28fe329547d2979ffa85d1e3d364779f49b69e003f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af23af7fe5460a7ee11da28fe329547d2979ffa85d1e3d364779f49b69e003f", kill_on_drop: false }`
[INFO] [stdout] 7af23af7fe5460a7ee11da28fe329547d2979ffa85d1e3d364779f49b69e003f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 430a3f741c6e2315a3eec4642b9a5ac9179825b280beb40368a08eb8740620c5
[INFO] running `Command { std: "docker" "start" "-a" "430a3f741c6e2315a3eec4642b9a5ac9179825b280beb40368a08eb8740620c5", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shrink-ebe56137ce13450a)
[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" "430a3f741c6e2315a3eec4642b9a5ac9179825b280beb40368a08eb8740620c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "430a3f741c6e2315a3eec4642b9a5ac9179825b280beb40368a08eb8740620c5", kill_on_drop: false }`
[INFO] [stdout] 430a3f741c6e2315a3eec4642b9a5ac9179825b280beb40368a08eb8740620c5