[INFO] fetching crate doubter 0.1.0...
[INFO] testing doubter-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate doubter 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate doubter 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate doubter 0.1.0
[INFO] finished tweaking crates.io crate doubter 0.1.0
[INFO] tweaked toml for crates.io crate doubter 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pulldown-cmark v0.1.2
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.3
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.3
[INFO] [stderr]   Downloaded doubter-macros v0.1.0
[INFO] [stderr]   Downloaded doubter-impl v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab042213d79bdc8502064dcb63b5f9ff8917cda7d1ba72bc8f76700c77505aac
[INFO] running `Command { std: "docker" "start" "-a" "ab042213d79bdc8502064dcb63b5f9ff8917cda7d1ba72bc8f76700c77505aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab042213d79bdc8502064dcb63b5f9ff8917cda7d1ba72bc8f76700c77505aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab042213d79bdc8502064dcb63b5f9ff8917cda7d1ba72bc8f76700c77505aac", kill_on_drop: false }`
[INFO] [stdout] ab042213d79bdc8502064dcb63b5f9ff8917cda7d1ba72bc8f76700c77505aac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1a16e92c29a895c8faa26788c874a6951218d9ae55d761140172a67a8aa713c
[INFO] running `Command { std: "docker" "start" "-a" "b1a16e92c29a895c8faa26788c874a6951218d9ae55d761140172a67a8aa713c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.3
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling proc-macro-hack v0.4.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling doubter-impl v0.1.0
[INFO] [stderr]    Compiling doubter-macros v0.1.0
[INFO] [stderr]    Compiling doubter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.23s
[INFO] running `Command { std: "docker" "inspect" "b1a16e92c29a895c8faa26788c874a6951218d9ae55d761140172a67a8aa713c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1a16e92c29a895c8faa26788c874a6951218d9ae55d761140172a67a8aa713c", kill_on_drop: false }`
[INFO] [stdout] b1a16e92c29a895c8faa26788c874a6951218d9ae55d761140172a67a8aa713c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 371b6fb0532559e5508e9926e6c5918117cbc6621ac57293c73295c8edfb18fc
[INFO] running `Command { std: "docker" "start" "-a" "371b6fb0532559e5508e9926e6c5918117cbc6621ac57293c73295c8edfb18fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling doubter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "371b6fb0532559e5508e9926e6c5918117cbc6621ac57293c73295c8edfb18fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371b6fb0532559e5508e9926e6c5918117cbc6621ac57293c73295c8edfb18fc", kill_on_drop: false }`
[INFO] [stdout] 371b6fb0532559e5508e9926e6c5918117cbc6621ac57293c73295c8edfb18fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7125896aff2d482a28fe97cfcf5adc17f43eb92ba991d63a9e97a91da561bbc3
[INFO] running `Command { std: "docker" "start" "-a" "7125896aff2d482a28fe97cfcf5adc17f43eb92ba991d63a9e97a91da561bbc3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/doubter-286faf12c23d9940)
[INFO] [stderr]    Doc-tests doubter
[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] [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" "7125896aff2d482a28fe97cfcf5adc17f43eb92ba991d63a9e97a91da561bbc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7125896aff2d482a28fe97cfcf5adc17f43eb92ba991d63a9e97a91da561bbc3", kill_on_drop: false }`
[INFO] [stdout] 7125896aff2d482a28fe97cfcf5adc17f43eb92ba991d63a9e97a91da561bbc3