[INFO] fetching crate rpn_calc_53Tanuki 0.1.1...
[INFO] testing rpn_calc_53Tanuki-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rpn_calc_53Tanuki 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rpn_calc_53Tanuki 0.1.1
[INFO] finished tweaking crates.io crate rpn_calc_53Tanuki 0.1.1
[INFO] tweaked toml for crates.io crate rpn_calc_53Tanuki 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rpn_calc_53Tanuki 0.1.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f3b6ceb09866ec43a7d8823979108d1966cffe94e47f8ea5745e959217ff98d
[INFO] running `Command { std: "docker" "start" "-a" "0f3b6ceb09866ec43a7d8823979108d1966cffe94e47f8ea5745e959217ff98d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f3b6ceb09866ec43a7d8823979108d1966cffe94e47f8ea5745e959217ff98d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f3b6ceb09866ec43a7d8823979108d1966cffe94e47f8ea5745e959217ff98d", kill_on_drop: false }`
[INFO] [stdout] 0f3b6ceb09866ec43a7d8823979108d1966cffe94e47f8ea5745e959217ff98d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78302d58d1e09e317bd2144ba219fb541519bc6a6fbd1f3a221e08a81073eb54
[INFO] running `Command { std: "docker" "start" "-a" "78302d58d1e09e317bd2144ba219fb541519bc6a6fbd1f3a221e08a81073eb54", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpn_calc_53Tanuki v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `rpn_calc_53Tanuki` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `rpn_calc_53_tanuki`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "78302d58d1e09e317bd2144ba219fb541519bc6a6fbd1f3a221e08a81073eb54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78302d58d1e09e317bd2144ba219fb541519bc6a6fbd1f3a221e08a81073eb54", kill_on_drop: false }`
[INFO] [stdout] 78302d58d1e09e317bd2144ba219fb541519bc6a6fbd1f3a221e08a81073eb54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd95e5edc5a569d2363c32b0b82caa6a3686cff59b1056061f596d169566afaf
[INFO] running `Command { std: "docker" "start" "-a" "bd95e5edc5a569d2363c32b0b82caa6a3686cff59b1056061f596d169566afaf", kill_on_drop: false }`
[INFO] [stdout] warning: crate `rpn_calc_53Tanuki` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `rpn_calc_53_tanuki`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rpn_calc_53Tanuki v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "bd95e5edc5a569d2363c32b0b82caa6a3686cff59b1056061f596d169566afaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd95e5edc5a569d2363c32b0b82caa6a3686cff59b1056061f596d169566afaf", kill_on_drop: false }`
[INFO] [stdout] bd95e5edc5a569d2363c32b0b82caa6a3686cff59b1056061f596d169566afaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66a99ee2723b3b1c4c6194ec628d54cc1764c2e3c6587944117dc6b16d22cd7d
[INFO] running `Command { std: "docker" "start" "-a" "66a99ee2723b3b1c4c6194ec628d54cc1764c2e3c6587944117dc6b16d22cd7d", kill_on_drop: false }`
[INFO] [stderr] warning: crate `rpn_calc_53Tanuki` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = help: convert the identifier to snake case: `rpn_calc_53_tanuki`
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rpn_calc_53Tanuki` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rpn_calc_53Tanuki-83f9c07a5ef4100a)
[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]    Doc-tests rpn_calc_53Tanuki
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rpn_calc`
[INFO] [stdout]  --> src/lib.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | let a = rpn_calc::eval(src).unwrap();
[INFO] [stdout]   |         ^^^^^^^^ use of unresolved module or unlinked crate `rpn_calc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rpn_calc`, use `cargo add rpn_calc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "66a99ee2723b3b1c4c6194ec628d54cc1764c2e3c6587944117dc6b16d22cd7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a99ee2723b3b1c4c6194ec628d54cc1764c2e3c6587944117dc6b16d22cd7d", kill_on_drop: false }`
[INFO] [stdout] 66a99ee2723b3b1c4c6194ec628d54cc1764c2e3c6587944117dc6b16d22cd7d