[INFO] fetching crate strings_counter 1.0.2...
[INFO] testing strings_counter-1.0.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate strings_counter 1.0.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate strings_counter 1.0.2
[INFO] finished tweaking crates.io crate strings_counter 1.0.2
[INFO] tweaked toml for crates.io crate strings_counter 1.0.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate strings_counter 1.0.2 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate strings_counter 1.0.2 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-channel v0.3.17
[INFO] [stderr]   Downloaded futures-core v0.3.17
[INFO] [stderr]   Downloaded proc-macro2 v1.0.66
[INFO] [stderr]   Downloaded futures-macro v0.3.17
[INFO] [stderr]   Downloaded futures-sink v0.3.17
[INFO] [stderr]   Downloaded async-recursion v1.0.4
[INFO] [stderr]   Downloaded futures-executor v0.3.17
[INFO] [stderr]   Downloaded futures-io v0.3.17
[INFO] [stderr]   Downloaded futures-task v0.3.17
[INFO] [stderr]   Downloaded futures-util v0.3.17
[INFO] [stderr]   Downloaded syn v2.0.29
[INFO] [stderr]   Downloaded futures v0.3.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d057b8884e59731a18c9dd7b69cc488328c5e3d4b5b586402d2b01b64fe760cd
[INFO] running `Command { std: "docker" "start" "-a" "d057b8884e59731a18c9dd7b69cc488328c5e3d4b5b586402d2b01b64fe760cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d057b8884e59731a18c9dd7b69cc488328c5e3d4b5b586402d2b01b64fe760cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d057b8884e59731a18c9dd7b69cc488328c5e3d4b5b586402d2b01b64fe760cd", kill_on_drop: false }`
[INFO] [stdout] d057b8884e59731a18c9dd7b69cc488328c5e3d4b5b586402d2b01b64fe760cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b76204ab4556075fec87deb0bf6875e63536ea87c7d65877d5c17f66bc25c2e
[INFO] running `Command { std: "docker" "start" "-a" "4b76204ab4556075fec87deb0bf6875e63536ea87c7d65877d5c17f66bc25c2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling async-recursion v1.0.4
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling strings_counter v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.65s
[INFO] running `Command { std: "docker" "inspect" "4b76204ab4556075fec87deb0bf6875e63536ea87c7d65877d5c17f66bc25c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b76204ab4556075fec87deb0bf6875e63536ea87c7d65877d5c17f66bc25c2e", kill_on_drop: false }`
[INFO] [stdout] 4b76204ab4556075fec87deb0bf6875e63536ea87c7d65877d5c17f66bc25c2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b75d1a9f87e5dfa6390bf443b30b60a72ee8e8f24feb1ea7244627ea21badb91
[INFO] running `Command { std: "docker" "start" "-a" "b75d1a9f87e5dfa6390bf443b30b60a72ee8e8f24feb1ea7244627ea21badb91", kill_on_drop: false }`
[INFO] [stderr]    Compiling strings_counter v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "b75d1a9f87e5dfa6390bf443b30b60a72ee8e8f24feb1ea7244627ea21badb91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75d1a9f87e5dfa6390bf443b30b60a72ee8e8f24feb1ea7244627ea21badb91", kill_on_drop: false }`
[INFO] [stdout] b75d1a9f87e5dfa6390bf443b30b60a72ee8e8f24feb1ea7244627ea21badb91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb748d8eba4a8cf75cc0ce040eb27c2dbbfabd80d092f8570dc90f02ce2b8fe7
[INFO] running `Command { std: "docker" "start" "-a" "cb748d8eba4a8cf75cc0ce040eb27c2dbbfabd80d092f8570dc90f02ce2b8fe7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/strings_counter-2746b010a4d3c90f)
[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" "cb748d8eba4a8cf75cc0ce040eb27c2dbbfabd80d092f8570dc90f02ce2b8fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb748d8eba4a8cf75cc0ce040eb27c2dbbfabd80d092f8570dc90f02ce2b8fe7", kill_on_drop: false }`
[INFO] [stdout] cb748d8eba4a8cf75cc0ce040eb27c2dbbfabd80d092f8570dc90f02ce2b8fe7