[INFO] fetching crate tiny-varint 0.2.0...
[INFO] testing tiny-varint-0.2.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate tiny-varint 0.2.0 into /workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiny-varint 0.2.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b481b459c753c188c2355638c3e8450c3ba804f4ad6b67ac02ac0d79775106bf
[INFO] running `Command { std: "docker" "start" "-a" "b481b459c753c188c2355638c3e8450c3ba804f4ad6b67ac02ac0d79775106bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b481b459c753c188c2355638c3e8450c3ba804f4ad6b67ac02ac0d79775106bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b481b459c753c188c2355638c3e8450c3ba804f4ad6b67ac02ac0d79775106bf", kill_on_drop: false }`
[INFO] [stdout] b481b459c753c188c2355638c3e8450c3ba804f4ad6b67ac02ac0d79775106bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0391c56d74f9bb5d55b39240e03ae25ba5ee7a306c64dce6d460c18bab95dc18
[INFO] running `Command { std: "docker" "start" "-a" "0391c56d74f9bb5d55b39240e03ae25ba5ee7a306c64dce6d460c18bab95dc18", 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" "0391c56d74f9bb5d55b39240e03ae25ba5ee7a306c64dce6d460c18bab95dc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0391c56d74f9bb5d55b39240e03ae25ba5ee7a306c64dce6d460c18bab95dc18", kill_on_drop: false }`
[INFO] [stdout] 0391c56d74f9bb5d55b39240e03ae25ba5ee7a306c64dce6d460c18bab95dc18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f5f05c1462072494b7f3ffe3617d1a6b949cf9ae56792cefdadde639bdf1af3
[INFO] running `Command { std: "docker" "start" "-a" "8f5f05c1462072494b7f3ffe3617d1a6b949cf9ae56792cefdadde639bdf1af3", 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 0.58s
[INFO] running `Command { std: "docker" "inspect" "8f5f05c1462072494b7f3ffe3617d1a6b949cf9ae56792cefdadde639bdf1af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f5f05c1462072494b7f3ffe3617d1a6b949cf9ae56792cefdadde639bdf1af3", kill_on_drop: false }`
[INFO] [stdout] 8f5f05c1462072494b7f3ffe3617d1a6b949cf9ae56792cefdadde639bdf1af3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb6ac9c6e3a45f8f9756f90d1ee45fd36456a9acf32855945f9e06c4cd0e51fa
[INFO] running `Command { std: "docker" "start" "-a" "eb6ac9c6e3a45f8f9756f90d1ee45fd36456a9acf32855945f9e06c4cd0e51fa", 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-0cc98f0d2fbced8e)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::tests::test_buffer_too_small_error ... 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_decode_input_too_short ... ok
[INFO] [stdout] test tests::tests::test_bytes_encoder_iterator ... ok
[INFO] [stdout] test tests::tests::test_encode_decode_zigzag ... 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_values_decoder_iterator ... ok
[INFO] [stdout] test tests::tests::test_varint_size ... 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 value::tests::test_zero_optimization ... 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 45) ... 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 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb6ac9c6e3a45f8f9756f90d1ee45fd36456a9acf32855945f9e06c4cd0e51fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb6ac9c6e3a45f8f9756f90d1ee45fd36456a9acf32855945f9e06c4cd0e51fa", kill_on_drop: false }`
[INFO] [stdout] eb6ac9c6e3a45f8f9756f90d1ee45fd36456a9acf32855945f9e06c4cd0e51fa