[INFO] fetching crate optocut 0.1.2...
[INFO] testing optocut-0.1.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate optocut 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate optocut 0.1.2
[INFO] finished tweaking crates.io crate optocut 0.1.2
[INFO] tweaked toml for crates.io crate optocut 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optocut 0.1.2 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate optocut 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 060467a1c7ca1a86e296ba98c08a5211cdef783d1ba3e5fc63ecdb445ae93e3c
[INFO] running `Command { std: "docker" "start" "-a" "060467a1c7ca1a86e296ba98c08a5211cdef783d1ba3e5fc63ecdb445ae93e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "060467a1c7ca1a86e296ba98c08a5211cdef783d1ba3e5fc63ecdb445ae93e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "060467a1c7ca1a86e296ba98c08a5211cdef783d1ba3e5fc63ecdb445ae93e3c", kill_on_drop: false }`
[INFO] [stdout] 060467a1c7ca1a86e296ba98c08a5211cdef783d1ba3e5fc63ecdb445ae93e3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a11736dcfaf158a22366808ad4a8caf32f68ab1ac15136881115d3da25b7584a
[INFO] running `Command { std: "docker" "start" "-a" "a11736dcfaf158a22366808ad4a8caf32f68ab1ac15136881115d3da25b7584a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling optocut v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.42s
[INFO] running `Command { std: "docker" "inspect" "a11736dcfaf158a22366808ad4a8caf32f68ab1ac15136881115d3da25b7584a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a11736dcfaf158a22366808ad4a8caf32f68ab1ac15136881115d3da25b7584a", kill_on_drop: false }`
[INFO] [stdout] a11736dcfaf158a22366808ad4a8caf32f68ab1ac15136881115d3da25b7584a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8b699b49da640c7ab884c1320c8f4bd8daa6f7f47fd8c3fd36c710d94c3c6ae
[INFO] running `Command { std: "docker" "start" "-a" "e8b699b49da640c7ab884c1320c8f4bd8daa6f7f47fd8c3fd36c710d94c3c6ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling optocut v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "e8b699b49da640c7ab884c1320c8f4bd8daa6f7f47fd8c3fd36c710d94c3c6ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b699b49da640c7ab884c1320c8f4bd8daa6f7f47fd8c3fd36c710d94c3c6ae", kill_on_drop: false }`
[INFO] [stdout] e8b699b49da640c7ab884c1320c8f4bd8daa6f7f47fd8c3fd36c710d94c3c6ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57bd37709bfa071f821835924e49d7c0802cffabc9a0bf60842ac984bb1d6be2
[INFO] running `Command { std: "docker" "start" "-a" "57bd37709bfa071f821835924e49d7c0802cffabc9a0bf60842ac984bb1d6be2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/optocut-a48cda019a2e62b5)
[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" "57bd37709bfa071f821835924e49d7c0802cffabc9a0bf60842ac984bb1d6be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57bd37709bfa071f821835924e49d7c0802cffabc9a0bf60842ac984bb1d6be2", kill_on_drop: false }`
[INFO] [stdout] 57bd37709bfa071f821835924e49d7c0802cffabc9a0bf60842ac984bb1d6be2