[INFO] fetching crate ajson 0.3.1...
[INFO] testing ajson-0.3.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate ajson 0.3.1 into /workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ajson 0.3.1 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 65 packages to latest compatible versions
[INFO] [stderr] Adding criterion v0.2.11 (available: v0.7.0)
[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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0235f2b6e0f794bb4e5a0fb1cb5bd9760aee81dc70c21b5e4c0dd8cb43240668
[INFO] running `Command { std: "docker" "start" "-a" "0235f2b6e0f794bb4e5a0fb1cb5bd9760aee81dc70c21b5e4c0dd8cb43240668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0235f2b6e0f794bb4e5a0fb1cb5bd9760aee81dc70c21b5e4c0dd8cb43240668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0235f2b6e0f794bb4e5a0fb1cb5bd9760aee81dc70c21b5e4c0dd8cb43240668", kill_on_drop: false }`
[INFO] [stdout] 0235f2b6e0f794bb4e5a0fb1cb5bd9760aee81dc70c21b5e4c0dd8cb43240668
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41b419fd7a46741c811dece41f208c78a41c278dcdf55b1044d95f06ef73be4b
[INFO] running `Command { std: "docker" "start" "-a" "41b419fd7a46741c811dece41f208c78a41c278dcdf55b1044d95f06ef73be4b", kill_on_drop: false }`
[INFO] [stderr] Compiling smallvec v1.15.1
[INFO] [stderr] Compiling 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)]` (part of `#[warn(unused)]`) 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] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] --> src/lib.rs:177:20
[INFO] [stdout] |
[INFO] [stdout] 177 | pub fn parse(json: &str) -> Result