[INFO] fetching crate ajson 0.3.1...
[INFO] checking ajson-0.3.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate ajson 0.3.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate ajson 0.3.1
[INFO] finished tweaking crates.io crate ajson 0.3.1
[INFO] tweaked toml for crates.io crate ajson 0.3.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ajson 0.3.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--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] Locking 72 packages to latest compatible versions
[INFO] [stderr] Adding criterion v0.2.11 (available: v0.6.0)
[INFO] [stderr] Adding json v0.11.15 (available: v0.12.4)
[INFO] [stderr] Adding nom v5.1.3 (available: v8.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded json v0.11.15
[INFO] [stderr] Downloaded csv-core v0.1.12
[INFO] [stderr] Downloaded rand_xoshiro v0.1.0
[INFO] [stderr] Downloaded criterion-plot v0.3.1
[INFO] [stderr] Downloaded criterion v0.2.11
[INFO] [stderr] Downloaded gjson v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a37b9ef9569433fa6c2afc73bdd9084197580a70d2fcb4aabe0d0484ba6b278
[INFO] running `Command { std: "docker" "start" "-a" "3a37b9ef9569433fa6c2afc73bdd9084197580a70d2fcb4aabe0d0484ba6b278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a37b9ef9569433fa6c2afc73bdd9084197580a70d2fcb4aabe0d0484ba6b278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a37b9ef9569433fa6c2afc73bdd9084197580a70d2fcb4aabe0d0484ba6b278", kill_on_drop: false }`
[INFO] [stdout] 3a37b9ef9569433fa6c2afc73bdd9084197580a70d2fcb4aabe0d0484ba6b278
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f0f7a7d66b9288128733dfa20f9510f0cbffae7bc6e317d6afb032348c40eb0
[INFO] running `Command { std: "docker" "start" "-a" "4f0f7a7d66b9288128733dfa20f9510f0cbffae7bc6e317d6afb032348c40eb0", kill_on_drop: false }`
[INFO] [stderr] Compiling proc-macro2 v1.0.95
[INFO] [stderr] Compiling semver v1.0.26
[INFO] [stderr] Compiling crossbeam-utils v0.8.21
[INFO] [stderr] Compiling serde v1.0.219
[INFO] [stderr] Checking ryu v1.0.20
[INFO] [stderr] Checking memchr v2.7.5
[INFO] [stderr] Compiling rayon-core v1.12.1
[INFO] [stderr] Compiling serde_json v1.0.140
[INFO] [stderr] Checking itoa v1.0.15
[INFO] [stderr] Checking either v1.15.0
[INFO] [stderr] Checking rand_core v0.4.2
[INFO] [stderr] Compiling num-traits v0.2.19
[INFO] [stderr] Checking unicode-width v0.1.14
[INFO] [stderr] Compiling lexical-core v0.7.6
[INFO] [stderr] Compiling nom v5.1.3
[INFO] [stderr] Checking itertools v0.8.2
[INFO] [stderr] Checking rand_core v0.3.1
[INFO] [stderr] Checking arrayvec v0.5.2
[INFO] [stderr] Checking static_assertions v1.1.0
[INFO] [stderr] Checking textwrap v0.11.0
[INFO] [stderr] Compiling rustc_version v0.4.1
[INFO] [stderr] Checking csv-core v0.1.12
[INFO] [stderr] Checking rand_xoshiro v0.1.0
[INFO] [stderr] Checking clap v2.34.0
[INFO] [stderr] Checking crossbeam-epoch v0.9.18
[INFO] [stderr] Checking rand_os v0.1.3
[INFO] [stderr] Compiling cast v0.2.7
[INFO] [stderr] Compiling quote v1.0.40
[INFO] [stderr] Checking crossbeam-deque v0.8.6
[INFO] [stderr] Checking atty v0.2.14
[INFO] [stderr] Compiling syn v2.0.104
[INFO] [stderr] Checking smallvec v1.15.1
[INFO] [stderr] Checking json v0.11.15
[INFO] [stderr] Checking criterion-plot v0.3.1
[INFO] [stderr] Checking gjson v0.8.1
[INFO] [stderr] Checking ajson v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout] --> src/unescape.rs:96:24
[INFO] [stdout] |
[INFO] [stdout] 96 | b'0'..=b'9' => (b - b'0'),
[INFO] [stdout] | ^ ^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout] |
[INFO] [stdout] 96 - b'0'..=b'9' => (b - b'0'),
[INFO] [stdout] 96 + b'0'..=b'9' => b - b'0',
[INFO] [stdout] |
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout] --> src/unescape.rs:97:24
[INFO] [stdout] |
[INFO] [stdout] 97 | b'a'..=b'f' => (b + 10 - b'a'),
[INFO] [stdout] | ^ ^
[INFO] [stdout] |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout] |
[INFO] [stdout] 97 - b'a'..=b'f' => (b + 10 - b'a'),
[INFO] [stdout] 97 + b'a'..=b'f' => b + 10 - b'a',
[INFO] [stdout] |
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout] --> src/unescape.rs:98:24
[INFO] [stdout] |
[INFO] [stdout] 98 | b'A'..=b'F' => (b + 10 - b'A'),
[INFO] [stdout] | ^ ^
[INFO] [stdout] |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout] |
[INFO] [stdout] 98 - b'A'..=b'F' => (b + 10 - b'A'),
[INFO] [stdout] 98 + b'A'..=b'F' => b + 10 - b'A',
[INFO] [stdout] |
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stderr] Checking rayon v1.10.0
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout] --> src/lib.rs:177:20
[INFO] [stdout] |
[INFO] [stdout] 177 | pub fn parse(json: &str) -> Result