[INFO] fetching crate tiny-varint 0.2.0...
[INFO] testing tiny-varint-0.2.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate tiny-varint 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate tiny-varint 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tiny-varint 0.2.0
[INFO] tweaked toml for crates.io crate tiny-varint 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiny-varint 0.2.0 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 tiny-varint 0.2.0 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zigzag-rs v0.2.1
[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] 54ceb19a7309cb0db06462efd5d0b616af0c160b0daa7fad5b139caf66185fa6
[INFO] running `Command { std: "docker" "start" "-a" "54ceb19a7309cb0db06462efd5d0b616af0c160b0daa7fad5b139caf66185fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54ceb19a7309cb0db06462efd5d0b616af0c160b0daa7fad5b139caf66185fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ceb19a7309cb0db06462efd5d0b616af0c160b0daa7fad5b139caf66185fa6", kill_on_drop: false }`
[INFO] [stdout] 54ceb19a7309cb0db06462efd5d0b616af0c160b0daa7fad5b139caf66185fa6
[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] bdb32ad3e928d2e8e9b09463c5f7f6b9d16385e8b2fd8801ce157381515086e3
[INFO] running `Command { std: "docker" "start" "-a" "bdb32ad3e928d2e8e9b09463c5f7f6b9d16385e8b2fd8801ce157381515086e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling zigzag-rs v0.2.1
[INFO] [stderr]    Compiling tiny-varint v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "bdb32ad3e928d2e8e9b09463c5f7f6b9d16385e8b2fd8801ce157381515086e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb32ad3e928d2e8e9b09463c5f7f6b9d16385e8b2fd8801ce157381515086e3", kill_on_drop: false }`
[INFO] [stdout] bdb32ad3e928d2e8e9b09463c5f7f6b9d16385e8b2fd8801ce157381515086e3
[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] c18e4087738ef34586de38d67bb0518ff5abe3aec59710b56cece7b827f6c390
[INFO] running `Command { std: "docker" "start" "-a" "c18e4087738ef34586de38d67bb0518ff5abe3aec59710b56cece7b827f6c390", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-varint v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/value.rs:399:17
[INFO] [stdout]     |
[INFO] [stdout] 399 |             let mut dummy_buffer = [type_id, 0, 0, 0, 0]; // Just need the type byte
[INFO] [stdout]     |                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "c18e4087738ef34586de38d67bb0518ff5abe3aec59710b56cece7b827f6c390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c18e4087738ef34586de38d67bb0518ff5abe3aec59710b56cece7b827f6c390", kill_on_drop: false }`
[INFO] [stdout] c18e4087738ef34586de38d67bb0518ff5abe3aec59710b56cece7b827f6c390
[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] facf4ed7ef6301a229bc8aadf6e9fc6610daab4d7cc912aeecba4ade327af3cf
[INFO] running `Command { std: "docker" "start" "-a" "facf4ed7ef6301a229bc8aadf6e9fc6610daab4d7cc912aeecba4ade327af3cf", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] 
[INFO] [stderr]    --> src/value.rs:399:17
[INFO] [stdout] running 17 tests
[INFO] [stderr]     |
[INFO] [stderr] 399 |             let mut dummy_buffer = [type_id, 0, 0, 0, 0]; // Just need the type byte
[INFO] [stderr]     |                 ----^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tiny-varint` (lib test) generated 1 warning (run `cargo fix --lib -p tiny-varint --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tiny_varint-0cc98f0d2fbced8e)
[INFO] [stdout] test tests::tests::test_buffer_too_small_error ... ok
[INFO] [stdout] test tests::tests::test_bytes_encoder_iterator ... ok
[INFO] [stdout] test tests::tests::test_encode_decode_batch ... ok
[INFO] [stdout] test tests::tests::test_encode_decode_u64 ... ok
[INFO] [stdout] test tests::tests::test_encoder_decoder_batch ... ok
[INFO] [stdout] test tests::tests::test_encode_decode_zigzag ... ok
[INFO] [stdout] test tests::tests::test_generic_encode_decode ... ok
[INFO] [stdout] test tests::tests::test_u128_encode_decode ... ok
[INFO] [stdout] test tests::tests::test_values_decoder_iterator ... ok
[INFO] [stdout] test value::tests::test_error_handling ... ok
[INFO] [stdout] test value::tests::test_serialized_size ... ok
[INFO] [stdout] test value::tests::test_type_id_encoding ... ok
[INFO] [stdout] test value::tests::test_varint_macro ... ok
[INFO] [stdout] test value::tests::test_varint_value_serialization ... ok
[INFO] [stdout] test tests::tests::test_varint_size ... ok
[INFO] [stdout] test value::tests::test_zero_optimization ... ok
[INFO] [stdout] test tests::tests::test_decode_input_too_short ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tiny_varint
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 85) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "facf4ed7ef6301a229bc8aadf6e9fc6610daab4d7cc912aeecba4ade327af3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "facf4ed7ef6301a229bc8aadf6e9fc6610daab4d7cc912aeecba4ade327af3cf", kill_on_drop: false }`
[INFO] [stdout] facf4ed7ef6301a229bc8aadf6e9fc6610daab4d7cc912aeecba4ade327af3cf