[INFO] fetching crate tiny-varint 0.2.0...
[INFO] testing tiny-varint-0.2.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate tiny-varint 0.2.0 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiny-varint 0.2.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6f8405d55cae140b024f90147ca638f39378821bce9bcd0c0c342facdcfa044
[INFO] running `Command { std: "docker" "start" "-a" "e6f8405d55cae140b024f90147ca638f39378821bce9bcd0c0c342facdcfa044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6f8405d55cae140b024f90147ca638f39378821bce9bcd0c0c342facdcfa044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6f8405d55cae140b024f90147ca638f39378821bce9bcd0c0c342facdcfa044", kill_on_drop: false }`
[INFO] [stdout] e6f8405d55cae140b024f90147ca638f39378821bce9bcd0c0c342facdcfa044
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a7ac6e9f8bd412a31e786422bc4e12e6c4e5cc0899e4cb16680f1a0b03058eb
[INFO] running `Command { std: "docker" "start" "-a" "7a7ac6e9f8bd412a31e786422bc4e12e6c4e5cc0899e4cb16680f1a0b03058eb", 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 0.27s
[INFO] running `Command { std: "docker" "inspect" "7a7ac6e9f8bd412a31e786422bc4e12e6c4e5cc0899e4cb16680f1a0b03058eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7ac6e9f8bd412a31e786422bc4e12e6c4e5cc0899e4cb16680f1a0b03058eb", kill_on_drop: false }`
[INFO] [stdout] 7a7ac6e9f8bd412a31e786422bc4e12e6c4e5cc0899e4cb16680f1a0b03058eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 025410733ce49d243a1b01417d2babe2b3c30490aaea2da1a944949f1320ff81
[INFO] running `Command { std: "docker" "start" "-a" "025410733ce49d243a1b01417d2babe2b3c30490aaea2da1a944949f1320ff81", 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 0.96s
[INFO] running `Command { std: "docker" "inspect" "025410733ce49d243a1b01417d2babe2b3c30490aaea2da1a944949f1320ff81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "025410733ce49d243a1b01417d2babe2b3c30490aaea2da1a944949f1320ff81", kill_on_drop: false }`
[INFO] [stdout] 025410733ce49d243a1b01417d2babe2b3c30490aaea2da1a944949f1320ff81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3fcfdfdb09a6819dbc2de4c222c1b4e723c1cf2c95689c64cc83fc431427c777
[INFO] running `Command { std: "docker" "start" "-a" "3fcfdfdb09a6819dbc2de4c222c1b4e723c1cf2c95689c64cc83fc431427c777", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/value.rs:399:17
[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 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tiny_varint-c3e3b97115588f66)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::tests::test_encode_decode_u64 ... ok
[INFO] [stdout] test tests::tests::test_encode_decode_zigzag ... ok
[INFO] [stdout] test tests::tests::test_encode_decode_batch ... 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 tests::tests::test_varint_size ... ok
[INFO] [stdout] test value::tests::test_varint_macro ... ok
[INFO] [stdout] test tests::tests::test_encoder_decoder_batch ... 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_decode_input_too_short ... ok
[INFO] [stdout] test tests::tests::test_buffer_too_small_error ... ok
[INFO] [stdout] test value::tests::test_varint_value_serialization ... ok
[INFO] [stdout] test value::tests::test_zero_optimization ... ok
[INFO] [stdout] test tests::tests::test_bytes_encoder_iterator ... ok
[INFO] [stdout] test value::tests::test_type_id_encoding ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tiny_varint
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[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] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3fcfdfdb09a6819dbc2de4c222c1b4e723c1cf2c95689c64cc83fc431427c777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fcfdfdb09a6819dbc2de4c222c1b4e723c1cf2c95689c64cc83fc431427c777", kill_on_drop: false }`
[INFO] [stdout] 3fcfdfdb09a6819dbc2de4c222c1b4e723c1cf2c95689c64cc83fc431427c777
