[INFO] fetching crate blc 0.6.0... [INFO] testing blc-0.6.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate blc 0.6.0 into /workspace/builds/worker-58/source [INFO] validating manifest of crates.io crate blc 0.6.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-58/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] [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-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 80988966ff6e5892d1d0fbce39fc10ddca032a59501a0335573d6e7779b52614 [INFO] running `Command { std: "docker" "start" "-a" "80988966ff6e5892d1d0fbce39fc10ddca032a59501a0335573d6e7779b52614", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "80988966ff6e5892d1d0fbce39fc10ddca032a59501a0335573d6e7779b52614", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80988966ff6e5892d1d0fbce39fc10ddca032a59501a0335573d6e7779b52614", kill_on_drop: false }` [INFO] [stdout] 80988966ff6e5892d1d0fbce39fc10ddca032a59501a0335573d6e7779b52614 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 078570d55e0daa3cf8c50509cc73de2f07690186bca03c1f80daa08b04d45c82 [INFO] running `Command { std: "docker" "start" "-a" "078570d55e0daa3cf8c50509cc73de2f07690186bca03c1f80daa08b04d45c82", 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 0.86s [INFO] running `Command { std: "docker" "inspect" "078570d55e0daa3cf8c50509cc73de2f07690186bca03c1f80daa08b04d45c82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "078570d55e0daa3cf8c50509cc73de2f07690186bca03c1f80daa08b04d45c82", kill_on_drop: false }` [INFO] [stdout] 078570d55e0daa3cf8c50509cc73de2f07690186bca03c1f80daa08b04d45c82 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c6220134669fe528b47b36ddad8a837048efaaeb84577f55d32072371aa5d85c [INFO] running `Command { std: "docker" "start" "-a" "c6220134669fe528b47b36ddad8a837048efaaeb84577f55d32072371aa5d85c", 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] [stderr] Compiling blc v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 2 warnings emitted [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `Command { std: "docker" "inspect" "c6220134669fe528b47b36ddad8a837048efaaeb84577f55d32072371aa5d85c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6220134669fe528b47b36ddad8a837048efaaeb84577f55d32072371aa5d85c", kill_on_drop: false }` [INFO] [stdout] c6220134669fe528b47b36ddad8a837048efaaeb84577f55d32072371aa5d85c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4a78f91e3754fe71e0be766a7890e103d91854ca7a0138f4ea72500be42a6e2f [INFO] running `Command { std: "docker" "start" "-a" "4a78f91e3754fe71e0be766a7890e103d91854ca7a0138f4ea72500be42a6e2f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stdout] running 11 tests [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: `blc` (lib) generated 2 warnings [INFO] [stderr] warning: `blc` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.22s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/blc-b3bdeec7075fd1f2) [INFO] [stdout] test encoding::binary::test::applications ... ok [INFO] [stdout] test encoding::binary::test::abstractions ... ok [INFO] [stdout] test encoding::binary::test::compress_decompress ... ok [INFO] [stdout] test encoding::binary::test::compression ... ok [INFO] [stdout] test encoding::binary::test::decompression ... ok [INFO] [stdout] test encoding::binary::test::from_bits_and_back ... ok [INFO] [stdout] test encoding::binary::test::ignoring_whitespaces ... ok [INFO] [stdout] test encoding::lambda::test::decoding_lambda ... ok [INFO] [stdout] test encoding::lambda::test::encoding_lambda ... ok [INFO] [stdout] test encoding::binary::test::variables ... 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 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/deflate.rs (/opt/rustwide/target/debug/deps/deflate-2b42583ebf55d5c1) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/fizzbuzz.rs (/opt/rustwide/target/debug/deps/fizzbuzz-5ca9564844d92dac) [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 0.08s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/identity.rs (/opt/rustwide/target/debug/deps/identity-007fde66633bd995) [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 0.22s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/inflate.rs (/opt/rustwide/target/debug/deps/inflate-23500d1eab130b33) [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 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/repeat.rs (/opt/rustwide/target/debug/deps/repeat-2072db1c3a6e303d) [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 0.02s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/sort.rs (/opt/rustwide/target/debug/deps/sort-5650c9d2295cba5e) [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 0.00s [INFO] [stdout] [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 0.17s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/encoding/lambda.rs - encoding::lambda::decode (line 12) ... 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/execution.rs - execution::run (line 31) ... ok [INFO] [stdout] test src/encoding/binary.rs - encoding::binary::to_bits (line 73) ... ok [INFO] [stdout] test src/encoding/binary.rs - encoding::binary::from_bits (line 16) ... ok [INFO] [stdout] test src/encoding/binary.rs - encoding::binary::compress (line 110) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4a78f91e3754fe71e0be766a7890e103d91854ca7a0138f4ea72500be42a6e2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a78f91e3754fe71e0be766a7890e103d91854ca7a0138f4ea72500be42a6e2f", kill_on_drop: false }` [INFO] [stdout] 4a78f91e3754fe71e0be766a7890e103d91854ca7a0138f4ea72500be42a6e2f