[INFO] fetching crate rpn_calc_practice 0.1.0...
[INFO] building rpn_calc_practice-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rpn_calc_practice 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rpn_calc_practice 0.1.0
[INFO] finished tweaking crates.io crate rpn_calc_practice 0.1.0
[INFO] tweaked toml for crates.io crate rpn_calc_practice 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rpn_calc_practice 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8b3fd3e6e05b95fef47eb1d4756c9516fad49f8d44829f0b5e2223c4c9efb95
[INFO] running `Command { std: "docker" "start" "-a" "f8b3fd3e6e05b95fef47eb1d4756c9516fad49f8d44829f0b5e2223c4c9efb95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8b3fd3e6e05b95fef47eb1d4756c9516fad49f8d44829f0b5e2223c4c9efb95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b3fd3e6e05b95fef47eb1d4756c9516fad49f8d44829f0b5e2223c4c9efb95", kill_on_drop: false }`
[INFO] [stdout] f8b3fd3e6e05b95fef47eb1d4756c9516fad49f8d44829f0b5e2223c4c9efb95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae40552066051bb53f5e8726bf9938d24552422b652000e79dd28094070704c7
[INFO] running `Command { std: "docker" "start" "-a" "ae40552066051bb53f5e8726bf9938d24552422b652000e79dd28094070704c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpn_calc_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "ae40552066051bb53f5e8726bf9938d24552422b652000e79dd28094070704c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae40552066051bb53f5e8726bf9938d24552422b652000e79dd28094070704c7", kill_on_drop: false }`
[INFO] [stdout] ae40552066051bb53f5e8726bf9938d24552422b652000e79dd28094070704c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e81149aa3ca010b73e1b8bdd403131a2041bc2c1a77566f3c18f1912063db0c0
[INFO] running `Command { std: "docker" "start" "-a" "e81149aa3ca010b73e1b8bdd403131a2041bc2c1a77566f3c18f1912063db0c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpn_calc_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "e81149aa3ca010b73e1b8bdd403131a2041bc2c1a77566f3c18f1912063db0c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e81149aa3ca010b73e1b8bdd403131a2041bc2c1a77566f3c18f1912063db0c0", kill_on_drop: false }`
[INFO] [stdout] e81149aa3ca010b73e1b8bdd403131a2041bc2c1a77566f3c18f1912063db0c0