[INFO] fetching crate ezcbor 0.1.4...
[INFO] testing ezcbor-0.1.4 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate ezcbor 0.1.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ezcbor 0.1.4
[INFO] finished tweaking crates.io crate ezcbor 0.1.4
[INFO] tweaked toml for crates.io crate ezcbor 0.1.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ezcbor 0.1.4 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 80 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b27a22593f318fb46495743d1d3014df6c75afc3bfe59c396595672b5cbc46f
[INFO] running `Command { std: "docker" "start" "-a" "9b27a22593f318fb46495743d1d3014df6c75afc3bfe59c396595672b5cbc46f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b27a22593f318fb46495743d1d3014df6c75afc3bfe59c396595672b5cbc46f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b27a22593f318fb46495743d1d3014df6c75afc3bfe59c396595672b5cbc46f", kill_on_drop: false }`
[INFO] [stdout] 9b27a22593f318fb46495743d1d3014df6c75afc3bfe59c396595672b5cbc46f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6041797d482cf3943788c285d586c6ae8ac604d9b078336e2b5b24185c74ff5d
[INFO] running `Command { std: "docker" "start" "-a" "6041797d482cf3943788c285d586c6ae8ac604d9b078336e2b5b24185c74ff5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ezcbor v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "6041797d482cf3943788c285d586c6ae8ac604d9b078336e2b5b24185c74ff5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6041797d482cf3943788c285d586c6ae8ac604d9b078336e2b5b24185c74ff5d", kill_on_drop: false }`
[INFO] [stdout] 6041797d482cf3943788c285d586c6ae8ac604d9b078336e2b5b24185c74ff5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35c8d2541e8856b4e9943f2e4a9467746d2acbfd76766acc0505b0e3c977abbc
[INFO] running `Command { std: "docker" "start" "-a" "35c8d2541e8856b4e9943f2e4a9467746d2acbfd76766acc0505b0e3c977abbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling ezcbor v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/cbor.rs:1004:13
[INFO] [stdout]      |
[INFO] [stdout] 1004 |         let mut item = Item::Int(vec![1,2,10]);
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 20.59s
[INFO] running `Command { std: "docker" "inspect" "35c8d2541e8856b4e9943f2e4a9467746d2acbfd76766acc0505b0e3c977abbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c8d2541e8856b4e9943f2e4a9467746d2acbfd76766acc0505b0e3c977abbc", kill_on_drop: false }`
[INFO] [stdout] 35c8d2541e8856b4e9943f2e4a9467746d2acbfd76766acc0505b0e3c977abbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0fb758dfce563a8d42aa5de0dfa269602349ab5f615084f07bfb8a301e902c90
[INFO] running `Command { std: "docker" "start" "-a" "0fb758dfce563a8d42aa5de0dfa269602349ab5f615084f07bfb8a301e902c90", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cbor.rs:1004:13
[INFO] [stderr]      |
[INFO] [stderr] 1004 |         let mut item = Item::Int(vec![1,2,10]);
[INFO] [stderr]      |             ----^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ezcbor` (lib test) generated 1 warning (run `cargo fix --lib -p ezcbor --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ezcbor-7c6cd02e96a07332)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test cbor::tests::test_array ... ok
[INFO] [stdout] test cbor::tests::test_btreemap_of_enums ... ok
[INFO] [stdout] test cbor::tests::test_byteslice ... ok
[INFO] [stdout] test cbor::tests::test_enum ... ok
[INFO] [stdout] test cbor::tests::test_slice ... ok
[INFO] [stdout] test cbor::tests::test_small_array ... ok
[INFO] [stdout] test cbor::tests::test_hashset ... ok
[INFO] [stdout] test cbor::tests::test_hashmap ... ok
[INFO] [stdout] test cbor::tests::vec_u8_from_cbor ... ok
[INFO] [stdout] test cbor::tests::test_btreemap ... ok
[INFO] [stdout] test cbor::tests::test_bool ... ok
[INFO] [stdout] test cbor::tests::test_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ezcbor
[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" "0fb758dfce563a8d42aa5de0dfa269602349ab5f615084f07bfb8a301e902c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fb758dfce563a8d42aa5de0dfa269602349ab5f615084f07bfb8a301e902c90", kill_on_drop: false }`
[INFO] [stdout] 0fb758dfce563a8d42aa5de0dfa269602349ab5f615084f07bfb8a301e902c90