[INFO] fetching crate ezcbor 0.1.4...
[INFO] testing ezcbor-0.1.4 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate ezcbor 0.1.4 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ezcbor 0.1.4 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 68 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 406e07b1a83d069554cd063611b2726d25b183066fe88f0742fea95173c486d6
[INFO] running `Command { std: "docker" "start" "-a" "406e07b1a83d069554cd063611b2726d25b183066fe88f0742fea95173c486d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "406e07b1a83d069554cd063611b2726d25b183066fe88f0742fea95173c486d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406e07b1a83d069554cd063611b2726d25b183066fe88f0742fea95173c486d6", kill_on_drop: false }`
[INFO] [stdout] 406e07b1a83d069554cd063611b2726d25b183066fe88f0742fea95173c486d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a9513b5304d3f6e9b9030a3bd86bb8ece32205a6907b0cdf62d02d385bda31e
[INFO] running `Command { std: "docker" "start" "-a" "3a9513b5304d3f6e9b9030a3bd86bb8ece32205a6907b0cdf62d02d385bda31e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ezcbor v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "3a9513b5304d3f6e9b9030a3bd86bb8ece32205a6907b0cdf62d02d385bda31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9513b5304d3f6e9b9030a3bd86bb8ece32205a6907b0cdf62d02d385bda31e", kill_on_drop: false }`
[INFO] [stdout] 3a9513b5304d3f6e9b9030a3bd86bb8ece32205a6907b0cdf62d02d385bda31e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d38d59edde4a70091e94e5e30c1096a01b42eefe6126944fdcde2d1acffdf27
[INFO] running `Command { std: "docker" "start" "-a" "5d38d59edde4a70091e94e5e30c1096a01b42eefe6126944fdcde2d1acffdf27", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.61s
[INFO] running `Command { std: "docker" "inspect" "5d38d59edde4a70091e94e5e30c1096a01b42eefe6126944fdcde2d1acffdf27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d38d59edde4a70091e94e5e30c1096a01b42eefe6126944fdcde2d1acffdf27", kill_on_drop: false }`
[INFO] [stdout] 5d38d59edde4a70091e94e5e30c1096a01b42eefe6126944fdcde2d1acffdf27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acc854d5bd5bd8166c43d70c0cffc4ada1fce7f7c93103f7747d1f4d0fb5ff54
[INFO] running `Command { std: "docker" "start" "-a" "acc854d5bd5bd8166c43d70c0cffc4ada1fce7f7c93103f7747d1f4d0fb5ff54", 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)]` (part of `#[warn(unused)]`) 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 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ezcbor-06ac3a4c2733773f)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test cbor::tests::test_array ... ok
[INFO] [stdout] test cbor::tests::test_bool ... ok
[INFO] [stdout] test cbor::tests::test_byteslice ... ok
[INFO] [stdout] test cbor::tests::test_enum ... 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_slice ... ok
[INFO] [stdout] test cbor::tests::test_small_array ... ok
[INFO] [stdout] test cbor::tests::test_str ... ok
[INFO] [stdout] test cbor::tests::test_hashset ... ok
[INFO] [stdout] test cbor::tests::test_btreemap ... ok
[INFO] [stdout] test cbor::tests::test_btreemap_of_enums ... 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" "acc854d5bd5bd8166c43d70c0cffc4ada1fce7f7c93103f7747d1f4d0fb5ff54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acc854d5bd5bd8166c43d70c0cffc4ada1fce7f7c93103f7747d1f4d0fb5ff54", kill_on_drop: false }`
[INFO] [stdout] acc854d5bd5bd8166c43d70c0cffc4ada1fce7f7c93103f7747d1f4d0fb5ff54