[INFO] fetching crate blc 0.6.0... [INFO] testing blc-0.6.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] extracting crate blc 0.6.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate blc 0.6.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate blc 0.6.0 [INFO] finished tweaking crates.io crate blc 0.6.0 [INFO] tweaked toml for crates.io crate blc 0.6.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lambda_calculus v2.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] da7039352800393337744857f035e5098bc879b5f0834f4eb9ed20342e9926f5 [INFO] running `Command { std: "docker" "start" "-a" "da7039352800393337744857f035e5098bc879b5f0834f4eb9ed20342e9926f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da7039352800393337744857f035e5098bc879b5f0834f4eb9ed20342e9926f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da7039352800393337744857f035e5098bc879b5f0834f4eb9ed20342e9926f5", kill_on_drop: false }` [INFO] [stdout] da7039352800393337744857f035e5098bc879b5f0834f4eb9ed20342e9926f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ef56f4b622c8f25041b6dc16db7fc17b4c339f0b6d3b5bf12bd82b743f7b3e25 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ef56f4b622c8f25041b6dc16db7fc17b4c339f0b6d3b5bf12bd82b743f7b3e25", kill_on_drop: false }` [INFO] [stderr] Compiling lambda_calculus v2.2.0 [INFO] [stderr] Compiling blc v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:42:1 [INFO] [stdout] | [INFO] [stdout] 42 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/pair_list.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | mem::replace(term, tail.clone()); // replace term with tail [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.22s [INFO] running `Command { std: "docker" "inspect" "ef56f4b622c8f25041b6dc16db7fc17b4c339f0b6d3b5bf12bd82b743f7b3e25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef56f4b622c8f25041b6dc16db7fc17b4c339f0b6d3b5bf12bd82b743f7b3e25", kill_on_drop: false }` [INFO] [stdout] ef56f4b622c8f25041b6dc16db7fc17b4c339f0b6d3b5bf12bd82b743f7b3e25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78f6ec803a98483fa5c1010e92217efaeb2d2822e790b1134679bb5d2b0910d2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "78f6ec803a98483fa5c1010e92217efaeb2d2822e790b1134679bb5d2b0910d2", kill_on_drop: false }` [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:42:1 [INFO] [stdout] | [INFO] [stdout] 42 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/pair_list.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | mem::replace(term, tail.clone()); // replace term with tail [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling blc v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/pair_list.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | mem::replace(term, tail.clone()); // replace term with tail [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.76s [INFO] running `Command { std: "docker" "inspect" "78f6ec803a98483fa5c1010e92217efaeb2d2822e790b1134679bb5d2b0910d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78f6ec803a98483fa5c1010e92217efaeb2d2822e790b1134679bb5d2b0910d2", kill_on_drop: false }` [INFO] [stdout] 78f6ec803a98483fa5c1010e92217efaeb2d2822e790b1134679bb5d2b0910d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 33541ec045e0539da447007585b78168e0ce6a7eb2915a61c21e046a1d6dc4ab [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "33541ec045e0539da447007585b78168e0ce6a7eb2915a61c21e046a1d6dc4ab", kill_on_drop: false }` [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:42:1 [INFO] [stderr] | [INFO] [stderr] 42 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/pair_list.rs:112:5 [INFO] [stderr] | [INFO] [stderr] 112 | mem::replace(term, tail.clone()); // replace term with tail [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/pair_list.rs:112:5 [INFO] [stderr] | [INFO] [stderr] 112 | mem::replace(term, tail.clone()); // replace term with tail [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/blc-9eb2ea9716e3519b) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test encoding::binary::test::abstractions ... ok [INFO] [stdout] test encoding::binary::test::decompression ... ok [INFO] [stdout] test encoding::binary::test::ignoring_whitespaces ... ok [INFO] [stdout] test encoding::lambda::test::decoding_lambda ... ok [INFO] [stdout] test encoding::binary::test::from_bits_and_back ... ok [INFO] [stdout] test encoding::lambda::test::encoding_lambda ... ok [INFO] [stdout] test encoding::binary::test::variables ... ok [INFO] [stdout] test encoding::binary::test::compress_decompress ... ok [INFO] [stdout] test encoding::binary::test::compression ... ok [INFO] [stdout] test encoding::binary::test::applications ... ok [INFO] [stdout] test encoding::lambda::test::decode_encode_lambda ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Running tests/deflate.rs (/opt/rustwide/target/debug/deps/deflate-2ea087d5d83eee94) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/fizzbuzz.rs (/opt/rustwide/target/debug/deps/fizzbuzz-03099e5d926c9409) [INFO] [stdout] test deflate ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/identity.rs (/opt/rustwide/target/debug/deps/identity-5092823bb61600d5) [INFO] [stdout] test fizz_buzz ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/inflate.rs (/opt/rustwide/target/debug/deps/inflate-204fb1d92fc6b1d9) [INFO] [stdout] test identity ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test inflate ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Running tests/repeat.rs (/opt/rustwide/target/debug/deps/repeat-81d9ef84a504effd) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test repeat ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/sort.rs (/opt/rustwide/target/debug/deps/sort-15e3c5eb56684599) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Doc-tests blc [INFO] [stdout] test sort ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/encoding/binary.rs - encoding::binary::to_bits (line 73) ... ok [INFO] [stdout] test src/encoding/lambda.rs - encoding::lambda::decode (line 12) ... ok [INFO] [stdout] test src/encoding/binary.rs - encoding::binary::compress (line 110) ... ok [INFO] [stdout] test src/encoding/lambda.rs - encoding::lambda::encode (line 65) ... ok [INFO] [stdout] test src/encoding/binary.rs - encoding::binary::decompress (line 143) ... ok [INFO] [stdout] test src/encoding/binary.rs - encoding::binary::from_bits (line 16) ... ok [INFO] [stdout] test src/execution.rs - execution::run (line 31) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.16s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "33541ec045e0539da447007585b78168e0ce6a7eb2915a61c21e046a1d6dc4ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33541ec045e0539da447007585b78168e0ce6a7eb2915a61c21e046a1d6dc4ab", kill_on_drop: false }` [INFO] [stdout] 33541ec045e0539da447007585b78168e0ce6a7eb2915a61c21e046a1d6dc4ab