[INFO] fetching crate easy_lambda_calculus 1.0.6...
[INFO] testing easy_lambda_calculus-1.0.6 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate easy_lambda_calculus 1.0.6 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate easy_lambda_calculus 1.0.6
[INFO] finished tweaking crates.io crate easy_lambda_calculus 1.0.6
[INFO] tweaked toml for crates.io crate easy_lambda_calculus 1.0.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate easy_lambda_calculus 1.0.6 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate easy_lambda_calculus 1.0.6 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80251431aea01981c76189c6f33353c645f1f04b4c1f8c9044bfa097bc52c9a7
[INFO] running `Command { std: "docker" "start" "-a" "80251431aea01981c76189c6f33353c645f1f04b4c1f8c9044bfa097bc52c9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80251431aea01981c76189c6f33353c645f1f04b4c1f8c9044bfa097bc52c9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80251431aea01981c76189c6f33353c645f1f04b4c1f8c9044bfa097bc52c9a7", kill_on_drop: false }`
[INFO] [stdout] 80251431aea01981c76189c6f33353c645f1f04b4c1f8c9044bfa097bc52c9a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 520b4829d9e7d2b5946706f12b31391aef90a87150e9c4b149aa2d0cb1cc4b0f
[INFO] running `Command { std: "docker" "start" "-a" "520b4829d9e7d2b5946706f12b31391aef90a87150e9c4b149aa2d0cb1cc4b0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy_lambda_calculus v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "520b4829d9e7d2b5946706f12b31391aef90a87150e9c4b149aa2d0cb1cc4b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520b4829d9e7d2b5946706f12b31391aef90a87150e9c4b149aa2d0cb1cc4b0f", kill_on_drop: false }`
[INFO] [stdout] 520b4829d9e7d2b5946706f12b31391aef90a87150e9c4b149aa2d0cb1cc4b0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78033acd5a7f9b41838bfad9299db017a23fdf54c8160b9dd4879a37a82a0940
[INFO] running `Command { std: "docker" "start" "-a" "78033acd5a7f9b41838bfad9299db017a23fdf54c8160b9dd4879a37a82a0940", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy_lambda_calculus v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "78033acd5a7f9b41838bfad9299db017a23fdf54c8160b9dd4879a37a82a0940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78033acd5a7f9b41838bfad9299db017a23fdf54c8160b9dd4879a37a82a0940", kill_on_drop: false }`
[INFO] [stdout] 78033acd5a7f9b41838bfad9299db017a23fdf54c8160b9dd4879a37a82a0940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ad91db0785d7603e98e193b47f300257f722ce43a4b8f8068c355ac1ea75e38
[INFO] running `Command { std: "docker" "start" "-a" "1ad91db0785d7603e98e193b47f300257f722ce43a4b8f8068c355ac1ea75e38", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/easy_lambda_calculus-67a62e8946774b61)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/easy_lambda_calculus-51857388a6a10bfd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests easy_lambda_calculus
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - lambda (line 21) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] test src/lib.rs - Lambda::evaluate (line 450) ... ok
[INFO] [stdout] test src/lib.rs - Lambda::alpha_reduce (line 399) ... ok
[INFO] [stdout] test src/lib.rs - Lambda::reduce (line 358) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - lambda (line 21) stdout ----
[INFO] [stdout] error: expected `;`, found `println`
[INFO] [stdout]   --> src/lib.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 | let l = lambda!("%x|y.y")
[INFO] [stdout]    |                          ^ help: add `;` here
[INFO] [stdout] 26 | println!("{}", lambda!("%x|y.(x y) &{}", l));
[INFO] [stdout]    | ------- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - lambda (line 21)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.50s; merged doctests compilation took 0.08s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1ad91db0785d7603e98e193b47f300257f722ce43a4b8f8068c355ac1ea75e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad91db0785d7603e98e193b47f300257f722ce43a4b8f8068c355ac1ea75e38", kill_on_drop: false }`
[INFO] [stdout] 1ad91db0785d7603e98e193b47f300257f722ce43a4b8f8068c355ac1ea75e38