[INFO] fetching crate platter 0.1.4...
[INFO] testing platter-0.1.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate platter 0.1.4 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate platter 0.1.4 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 platter 0.1.4
[INFO] finished tweaking crates.io crate platter 0.1.4
[INFO] tweaked toml for crates.io crate platter 0.1.4 written to /workspace/builds/worker-54/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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 8de47b4443b10981e46f73fec1578ca150c615001e9537e4d011a2d1a3ded3f8
[INFO] running `Command { std: "docker" "start" "-a" "8de47b4443b10981e46f73fec1578ca150c615001e9537e4d011a2d1a3ded3f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8de47b4443b10981e46f73fec1578ca150c615001e9537e4d011a2d1a3ded3f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8de47b4443b10981e46f73fec1578ca150c615001e9537e4d011a2d1a3ded3f8", kill_on_drop: false }`
[INFO] [stdout] 8de47b4443b10981e46f73fec1578ca150c615001e9537e4d011a2d1a3ded3f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] ad6590c84210d3bc1d15604db3b4a75630460e09fdee44d505d8457c855fae24
[INFO] running `Command { std: "docker" "start" "-a" "ad6590c84210d3bc1d15604db3b4a75630460e09fdee44d505d8457c855fae24", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling platter v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `Command { std: "docker" "inspect" "ad6590c84210d3bc1d15604db3b4a75630460e09fdee44d505d8457c855fae24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad6590c84210d3bc1d15604db3b4a75630460e09fdee44d505d8457c855fae24", kill_on_drop: false }`
[INFO] [stdout] ad6590c84210d3bc1d15604db3b4a75630460e09fdee44d505d8457c855fae24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] a09de29b726996a4cdc47e5da127e3f415f78ff1ce1aa001fbf3868a4aea7e75
[INFO] running `Command { std: "docker" "start" "-a" "a09de29b726996a4cdc47e5da127e3f415f78ff1ce1aa001fbf3868a4aea7e75", kill_on_drop: false }`
[INFO] [stderr]    Compiling platter v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "a09de29b726996a4cdc47e5da127e3f415f78ff1ce1aa001fbf3868a4aea7e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a09de29b726996a4cdc47e5da127e3f415f78ff1ce1aa001fbf3868a4aea7e75", kill_on_drop: false }`
[INFO] [stdout] a09de29b726996a4cdc47e5da127e3f415f78ff1ce1aa001fbf3868a4aea7e75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 6e58412415adc57b05c8357aa53cc531b30e516decab5e674457d2f5cbf68356
[INFO] running `Command { std: "docker" "start" "-a" "6e58412415adc57b05c8357aa53cc531b30e516decab5e674457d2f5cbf68356", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/platter-3eb33af0d8031bc0)
[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 platter
[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" "6e58412415adc57b05c8357aa53cc531b30e516decab5e674457d2f5cbf68356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e58412415adc57b05c8357aa53cc531b30e516decab5e674457d2f5cbf68356", kill_on_drop: false }`
[INFO] [stdout] 6e58412415adc57b05c8357aa53cc531b30e516decab5e674457d2f5cbf68356