[INFO] fetching crate my_par_k 0.1.0...
[INFO] building my_par_k-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate my_par_k 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate my_par_k 0.1.0
[INFO] finished tweaking crates.io crate my_par_k 0.1.0
[INFO] tweaked toml for crates.io crate my_par_k 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate my_par_k 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate my_par_k 0.1.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a708490ac614b4375ec916c7aa7ebb0a57891b6e30006e961012232ce7da424
[INFO] running `Command { std: "docker" "start" "-a" "0a708490ac614b4375ec916c7aa7ebb0a57891b6e30006e961012232ce7da424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a708490ac614b4375ec916c7aa7ebb0a57891b6e30006e961012232ce7da424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a708490ac614b4375ec916c7aa7ebb0a57891b6e30006e961012232ce7da424", kill_on_drop: false }`
[INFO] [stdout] 0a708490ac614b4375ec916c7aa7ebb0a57891b6e30006e961012232ce7da424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00430cd764675996af21ed4ccdf658bd21b04588889d3b5beba995881d44c5a6
[INFO] running `Command { std: "docker" "start" "-a" "00430cd764675996af21ed4ccdf658bd21b04588889d3b5beba995881d44c5a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling peg-runtime v0.8.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling peg-macros v0.8.2
[INFO] [stderr]    Compiling peg v0.8.2
[INFO] [stderr]    Compiling my_par_k v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "00430cd764675996af21ed4ccdf658bd21b04588889d3b5beba995881d44c5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00430cd764675996af21ed4ccdf658bd21b04588889d3b5beba995881d44c5a6", kill_on_drop: false }`
[INFO] [stdout] 00430cd764675996af21ed4ccdf658bd21b04588889d3b5beba995881d44c5a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ecdfcd5bd7e33f74e2a9929fe6d2265db9abfc3262f50694f97faf044e40d4e
[INFO] running `Command { std: "docker" "start" "-a" "7ecdfcd5bd7e33f74e2a9929fe6d2265db9abfc3262f50694f97faf044e40d4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_par_k v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "7ecdfcd5bd7e33f74e2a9929fe6d2265db9abfc3262f50694f97faf044e40d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ecdfcd5bd7e33f74e2a9929fe6d2265db9abfc3262f50694f97faf044e40d4e", kill_on_drop: false }`
[INFO] [stdout] 7ecdfcd5bd7e33f74e2a9929fe6d2265db9abfc3262f50694f97faf044e40d4e