[INFO] fetching crate rpn_calc_JM 0.1.1...
[INFO] testing rpn_calc_JM-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rpn_calc_JM 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rpn_calc_JM 0.1.1
[INFO] finished tweaking crates.io crate rpn_calc_JM 0.1.1
[INFO] tweaked toml for crates.io crate rpn_calc_JM 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rpn_calc_JM 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 221774cec34ddd1032196be5a2782d03e2c22f12dda4564f23d357060c85ad8f
[INFO] running `Command { std: "docker" "start" "-a" "221774cec34ddd1032196be5a2782d03e2c22f12dda4564f23d357060c85ad8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "221774cec34ddd1032196be5a2782d03e2c22f12dda4564f23d357060c85ad8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221774cec34ddd1032196be5a2782d03e2c22f12dda4564f23d357060c85ad8f", kill_on_drop: false }`
[INFO] [stdout] 221774cec34ddd1032196be5a2782d03e2c22f12dda4564f23d357060c85ad8f
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd2759d93ea4a42be46fc86b2bf3133989de2189e1b126916c71f8edcb0b01a0
[INFO] running `Command { std: "docker" "start" "-a" "dd2759d93ea4a42be46fc86b2bf3133989de2189e1b126916c71f8edcb0b01a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpn_calc_JM v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `rpn_calc_JM` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `rpn_calc_jm`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "dd2759d93ea4a42be46fc86b2bf3133989de2189e1b126916c71f8edcb0b01a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2759d93ea4a42be46fc86b2bf3133989de2189e1b126916c71f8edcb0b01a0", kill_on_drop: false }`
[INFO] [stdout] dd2759d93ea4a42be46fc86b2bf3133989de2189e1b126916c71f8edcb0b01a0
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca76c5775556be1bf1a84238f10f90578ec1797cfc00d8d98677f94e6167b776
[INFO] running `Command { std: "docker" "start" "-a" "ca76c5775556be1bf1a84238f10f90578ec1797cfc00d8d98677f94e6167b776", kill_on_drop: false }`
[INFO] [stdout] warning: crate `rpn_calc_JM` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `rpn_calc_jm`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rpn_calc_JM v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "ca76c5775556be1bf1a84238f10f90578ec1797cfc00d8d98677f94e6167b776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca76c5775556be1bf1a84238f10f90578ec1797cfc00d8d98677f94e6167b776", kill_on_drop: false }`
[INFO] [stdout] ca76c5775556be1bf1a84238f10f90578ec1797cfc00d8d98677f94e6167b776
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2cc6e4db5a1662b61f472233387a1811c1cf864d1e750cd6a1dec33c6e1e69b6
[INFO] running `Command { std: "docker" "start" "-a" "2cc6e4db5a1662b61f472233387a1811c1cf864d1e750cd6a1dec33c6e1e69b6", kill_on_drop: false }`
[INFO] [stderr] warning: crate `rpn_calc_JM` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = help: convert the identifier to snake case: `rpn_calc_jm`
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rpn_calc_JM` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rpn_calc_JM-f6d4d24d8bac7b9c)
[INFO] [stderr]    Doc-tests rpn_calc_JM
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - eval (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2cc6e4db5a1662b61f472233387a1811c1cf864d1e750cd6a1dec33c6e1e69b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc6e4db5a1662b61f472233387a1811c1cf864d1e750cd6a1dec33c6e1e69b6", kill_on_drop: false }`
[INFO] [stdout] 2cc6e4db5a1662b61f472233387a1811c1cf864d1e750cd6a1dec33c6e1e69b6