[INFO] fetching crate palindronum 1.0.2...
[INFO] testing palindronum-1.0.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate palindronum 1.0.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate palindronum 1.0.2
[INFO] finished tweaking crates.io crate palindronum 1.0.2
[INFO] tweaked toml for crates.io crate palindronum 1.0.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate palindronum 1.0.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9ef14bf88941144aa56355fd1a00f666116d6f0a173580a4baacc054878c8aa
[INFO] running `Command { std: "docker" "start" "-a" "a9ef14bf88941144aa56355fd1a00f666116d6f0a173580a4baacc054878c8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9ef14bf88941144aa56355fd1a00f666116d6f0a173580a4baacc054878c8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9ef14bf88941144aa56355fd1a00f666116d6f0a173580a4baacc054878c8aa", kill_on_drop: false }`
[INFO] [stdout] a9ef14bf88941144aa56355fd1a00f666116d6f0a173580a4baacc054878c8aa
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ccf8ddc98f1e7265a9f44d1a57db485f8f315dfd8896f3a301a852bee1d4540
[INFO] running `Command { std: "docker" "start" "-a" "2ccf8ddc98f1e7265a9f44d1a57db485f8f315dfd8896f3a301a852bee1d4540", kill_on_drop: false }`
[INFO] [stderr]    Compiling palindronum v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "2ccf8ddc98f1e7265a9f44d1a57db485f8f315dfd8896f3a301a852bee1d4540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ccf8ddc98f1e7265a9f44d1a57db485f8f315dfd8896f3a301a852bee1d4540", kill_on_drop: false }`
[INFO] [stdout] 2ccf8ddc98f1e7265a9f44d1a57db485f8f315dfd8896f3a301a852bee1d4540
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e934d9ed8c54bcc1fb25cb7ca646cea0524cf03facf56c963f91da431be2aab
[INFO] running `Command { std: "docker" "start" "-a" "9e934d9ed8c54bcc1fb25cb7ca646cea0524cf03facf56c963f91da431be2aab", kill_on_drop: false }`
[INFO] [stderr]    Compiling palindronum v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "9e934d9ed8c54bcc1fb25cb7ca646cea0524cf03facf56c963f91da431be2aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e934d9ed8c54bcc1fb25cb7ca646cea0524cf03facf56c963f91da431be2aab", kill_on_drop: false }`
[INFO] [stdout] 9e934d9ed8c54bcc1fb25cb7ca646cea0524cf03facf56c963f91da431be2aab
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6af118025d07bd9ceba941a6e783769f1d1ed64639708d5e251341e1f1cf62d7
[INFO] running `Command { std: "docker" "start" "-a" "6af118025d07bd9ceba941a6e783769f1d1ed64639708d5e251341e1f1cf62d7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/palindronum-a756f6601273644a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test palindromes::tests::test_non_palindromes ... ok
[INFO] [stdout] test palindromes::tests::test_palindromes ... ok
[INFO] [stdout] test palindromes::tests::test_get_palindromes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/palindromes.rs (/opt/rustwide/target/debug/deps/palindromes-5312fef97203420c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_non_palindromes ... ok
[INFO] [stdout] test test_get_palindromes ... ok
[INFO] [stdout] test test_palindromes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests palindronum
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/palindromes.rs - palindromes::first_n_palindromes (line 41) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/palindromes.rs - palindromes::is_palindrome (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6af118025d07bd9ceba941a6e783769f1d1ed64639708d5e251341e1f1cf62d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af118025d07bd9ceba941a6e783769f1d1ed64639708d5e251341e1f1cf62d7", kill_on_drop: false }`
[INFO] [stdout] 6af118025d07bd9ceba941a6e783769f1d1ed64639708d5e251341e1f1cf62d7