[INFO] fetching crate pre-rfc3243-libtw2-huffman 0.1.0... [INFO] testing pre-rfc3243-libtw2-huffman-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate pre-rfc3243-libtw2-huffman 0.1.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate pre-rfc3243-libtw2-huffman 0.1.0 [INFO] finished tweaking crates.io crate pre-rfc3243-libtw2-huffman 0.1.0 [INFO] tweaked toml for crates.io crate pre-rfc3243-libtw2-huffman 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate pre-rfc3243-libtw2-huffman 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate pre-rfc3243-libtw2-huffman 0.1.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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 quickcheck v0.4.1 [INFO] [stderr] Downloaded mac v0.0.2 [INFO] [stderr] Downloaded buffer v0.1.9 [INFO] [stderr] Downloaded pre-rfc3243-libtw2-common v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a355333a38941b951e4cc576b59d7d39385e45f920c923dbcedbb08df3b0dfcf [INFO] running `Command { std: "docker" "start" "-a" "a355333a38941b951e4cc576b59d7d39385e45f920c923dbcedbb08df3b0dfcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a355333a38941b951e4cc576b59d7d39385e45f920c923dbcedbb08df3b0dfcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a355333a38941b951e4cc576b59d7d39385e45f920c923dbcedbb08df3b0dfcf", kill_on_drop: false }` [INFO] [stdout] a355333a38941b951e4cc576b59d7d39385e45f920c923dbcedbb08df3b0dfcf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8df07999ad0ddb07d38d93600a1abf32c0c64cd3667a17651eb5d2d0035f3bef [INFO] running `Command { std: "docker" "start" "-a" "8df07999ad0ddb07d38d93600a1abf32c0c64cd3667a17651eb5d2d0035f3bef", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling mac v0.0.2 [INFO] [stderr] Compiling itertools v0.4.19 [INFO] [stderr] Compiling buffer v0.1.9 [INFO] [stderr] Compiling zerocopy v0.7.32 [INFO] [stderr] Compiling pre-rfc3243-libtw2-common v0.1.0 [INFO] [stderr] Compiling pre-rfc3243-libtw2-huffman v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:452:17 [INFO] [stdout] | [INFO] [stdout] 452 | pub fn repr(&self) -> Repr { [INFO] [stdout] | ^^^^^ ^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 452 | pub fn repr(&self) -> Repr<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.31s [INFO] running `Command { std: "docker" "inspect" "8df07999ad0ddb07d38d93600a1abf32c0c64cd3667a17651eb5d2d0035f3bef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8df07999ad0ddb07d38d93600a1abf32c0c64cd3667a17651eb5d2d0035f3bef", kill_on_drop: false }` [INFO] [stdout] 8df07999ad0ddb07d38d93600a1abf32c0c64cd3667a17651eb5d2d0035f3bef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 447e57b296f625249f6ff4711dd74eedbc15acc196b0aff0d63b3a4f50f0ec71 [INFO] running `Command { std: "docker" "start" "-a" "447e57b296f625249f6ff4711dd74eedbc15acc196b0aff0d63b3a4f50f0ec71", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling utf8-ranges v0.1.3 [INFO] [stderr] Compiling regex-syntax v0.3.9 [INFO] [stderr] Compiling bencher v0.1.5 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:452:17 [INFO] [stdout] | [INFO] [stdout] 452 | pub fn repr(&self) -> Repr { [INFO] [stdout] | ^^^^^ ^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 452 | pub fn repr(&self) -> Repr<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling env_logger v0.3.5 [INFO] [stderr] Compiling quickcheck v0.4.1 [INFO] [stderr] Compiling pre-rfc3243-libtw2-huffman v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:452:17 [INFO] [stdout] | [INFO] [stdout] 452 | pub fn repr(&self) -> Repr { [INFO] [stdout] | ^^^^^ ^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 452 | pub fn repr(&self) -> Repr<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 3.96s [INFO] running `Command { std: "docker" "inspect" "447e57b296f625249f6ff4711dd74eedbc15acc196b0aff0d63b3a4f50f0ec71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "447e57b296f625249f6ff4711dd74eedbc15acc196b0aff0d63b3a4f50f0ec71", kill_on_drop: false }` [INFO] [stdout] 447e57b296f625249f6ff4711dd74eedbc15acc196b0aff0d63b3a4f50f0ec71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b572460665adf1ce02e3fd0869956a43bd234e8f40a07f296bd34781ac6971c6 [INFO] running `Command { std: "docker" "start" "-a" "b572460665adf1ce02e3fd0869956a43bd234e8f40a07f296bd34781ac6971c6", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:452:17 [INFO] [stderr] | [INFO] [stderr] 452 | pub fn repr(&self) -> Repr { [INFO] [stderr] | ^^^^^ ^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 452 | pub fn repr(&self) -> Repr<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `pre-rfc3243-libtw2-huffman` (lib) generated 1 warning (run `cargo fix --lib -p pre-rfc3243-libtw2-huffman` to apply 1 suggestion) [INFO] [stderr] warning: `pre-rfc3243-libtw2-huffman` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libtw2_huffman-fc008f8e0437e944) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test::roundtrip_node ... ok [INFO] [stdout] test test::roundtrip_symbol ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 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/pre_rfc3243_libtw2_huffman-1377edc1032c302f) [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 tests/correctness.rs (/opt/rustwide/target/debug/deps/correctness-b6194e9ffaab3558) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test compress_bug ... ok [INFO] [stdout] test compress ... ok [INFO] [stdout] test decompress ... ok [INFO] [stdout] test compressed_len ... ok [INFO] [stdout] test decompress_extend_stream ... ok [INFO] [stdout] test from_frequencies ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests libtw2_huffman [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] running `Command { std: "docker" "inspect" "b572460665adf1ce02e3fd0869956a43bd234e8f40a07f296bd34781ac6971c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b572460665adf1ce02e3fd0869956a43bd234e8f40a07f296bd34781ac6971c6", kill_on_drop: false }` [INFO] [stdout] b572460665adf1ce02e3fd0869956a43bd234e8f40a07f296bd34781ac6971c6