[INFO] fetching crate jzon 0.12.5... [INFO] checking jzon-0.12.5 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate jzon 0.12.5 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate jzon 0.12.5 [INFO] finished tweaking crates.io crate jzon 0.12.5 [INFO] tweaked toml for crates.io crate jzon 0.12.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate jzon 0.12.5 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 980bb7824fca633795aacda9b2091a76f491803884f5a90493f5c0e25d7966e1 [INFO] running `Command { std: "docker" "start" "-a" "980bb7824fca633795aacda9b2091a76f491803884f5a90493f5c0e25d7966e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "980bb7824fca633795aacda9b2091a76f491803884f5a90493f5c0e25d7966e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "980bb7824fca633795aacda9b2091a76f491803884f5a90493f5c0e25d7966e1", kill_on_drop: false }` [INFO] [stdout] 980bb7824fca633795aacda9b2091a76f491803884f5a90493f5c0e25d7966e1 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f57019ad62dcf051bb01cdf4b8582c53049806c348e2f0f30d8fb9e172bbce2 [INFO] running `Command { std: "docker" "start" "-a" "1f57019ad62dcf051bb01cdf4b8582c53049806c348e2f0f30d8fb9e172bbce2", kill_on_drop: false }` [INFO] [stderr] Checking jzon v0.12.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser.rs:433:30 [INFO] [stdout] | [INFO] [stdout] 433 | b'0' ..= b'9' => (ch - 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] 433 - b'0' ..= b'9' => (ch - b'0'), [INFO] [stdout] 433 + b'0' ..= b'9' => ch - b'0', [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser.rs:434:30 [INFO] [stdout] | [INFO] [stdout] 434 | b'a' ..= b'f' => (ch + 10 - b'a'), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 434 - b'a' ..= b'f' => (ch + 10 - b'a'), [INFO] [stdout] 434 + b'a' ..= b'f' => ch + 10 - b'a', [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser.rs:435:30 [INFO] [stdout] | [INFO] [stdout] 435 | b'A' ..= b'F' => (ch + 10 - b'A'), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 435 - b'A' ..= b'F' => (ch + 10 - b'A'), [INFO] [stdout] 435 + b'A' ..= b'F' => ch + 10 - b'A', [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser.rs:433:30 [INFO] [stdout] | [INFO] [stdout] 433 | b'0' ..= b'9' => (ch - 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] 433 - b'0' ..= b'9' => (ch - b'0'), [INFO] [stdout] 433 + b'0' ..= b'9' => ch - b'0', [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser.rs:434:30 [INFO] [stdout] | [INFO] [stdout] 434 | b'a' ..= b'f' => (ch + 10 - b'a'), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 434 - b'a' ..= b'f' => (ch + 10 - b'a'), [INFO] [stdout] 434 + b'a' ..= b'f' => ch + 10 - b'a', [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser.rs:435:30 [INFO] [stdout] | [INFO] [stdout] 435 | b'A' ..= b'F' => (ch + 10 - b'A'), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 435 - b'A' ..= b'F' => (ch + 10 - b'A'), [INFO] [stdout] 435 + b'A' ..= b'F' => ch + 10 - b'A', [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/value/mod.rs:505:20 [INFO] [stdout] | [INFO] [stdout] 505 | pub fn members(&self) -> Members { [INFO] [stdout] | ^^^^^ ------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 505 | pub fn members(&self) -> Members<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/value/mod.rs:516:24 [INFO] [stdout] | [INFO] [stdout] 516 | pub fn members_mut(&mut self) -> MembersMut { [INFO] [stdout] | ^^^^^^^^^ ---------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 516 | pub fn members_mut(&mut self) -> MembersMut<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/value/mod.rs:548:20 [INFO] [stdout] | [INFO] [stdout] 548 | pub fn entries(&self) -> Entries { [INFO] [stdout] | ^^^^^ ------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 548 | pub fn entries(&self) -> Entries<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/value/mod.rs:560:24 [INFO] [stdout] | [INFO] [stdout] 560 | pub fn entries_mut(&mut self) -> EntriesMut { [INFO] [stdout] | ^^^^^^^^^ ---------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 560 | pub fn entries_mut(&mut self) -> EntriesMut<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/util/diyfp.rs:53:22 [INFO] [stdout] | [INFO] [stdout] 53 | let u: u64 = mem::transmute(d); [INFO] [stdout] | --------------^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f64::to_bits` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/object.rs:516:17 [INFO] [stdout] | [INFO] [stdout] 516 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ---- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 516 | pub fn iter(&self) -> Iter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/object.rs:523:21 [INFO] [stdout] | [INFO] [stdout] 523 | pub fn iter_mut(&mut self) -> IterMut { [INFO] [stdout] | ^^^^^^^^^ ------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 523 | pub fn iter_mut(&mut self) -> IterMut<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stdout] --> benches/log.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `jzon::JsonValue::to_writer`: use `JsonValue::write` instead [INFO] [stdout] --> benches/log.rs:269:14 [INFO] [stdout] | [INFO] [stdout] 269 | data.to_writer(&mut target); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `jzon::JsonValue::to_writer`: use `JsonValue::write` instead [INFO] [stdout] --> benches/log.rs:293:14 [INFO] [stdout] | [INFO] [stdout] 293 | data.to_writer(&mut target); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/value/mod.rs:505:20 [INFO] [stdout] | [INFO] [stdout] 505 | pub fn members(&self) -> Members { [INFO] [stdout] | ^^^^^ ------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 505 | pub fn members(&self) -> Members<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/value/mod.rs:516:24 [INFO] [stdout] | [INFO] [stdout] 516 | pub fn members_mut(&mut self) -> MembersMut { [INFO] [stdout] | ^^^^^^^^^ ---------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 516 | pub fn members_mut(&mut self) -> MembersMut<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/value/mod.rs:548:20 [INFO] [stdout] | [INFO] [stdout] 548 | pub fn entries(&self) -> Entries { [INFO] [stdout] | ^^^^^ ------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 548 | pub fn entries(&self) -> Entries<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/value/mod.rs:560:24 [INFO] [stdout] | [INFO] [stdout] 560 | pub fn entries_mut(&mut self) -> EntriesMut { [INFO] [stdout] | ^^^^^^^^^ ---------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 560 | pub fn entries_mut(&mut self) -> EntriesMut<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/util/diyfp.rs:53:22 [INFO] [stdout] | [INFO] [stdout] 53 | let u: u64 = mem::transmute(d); [INFO] [stdout] | --------------^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f64::to_bits` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/object.rs:516:17 [INFO] [stdout] | [INFO] [stdout] 516 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ---- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 516 | pub fn iter(&self) -> Iter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/object.rs:523:21 [INFO] [stdout] | [INFO] [stdout] 523 | pub fn iter_mut(&mut self) -> IterMut { [INFO] [stdout] | ^^^^^^^^^ ------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 523 | pub fn iter_mut(&mut self) -> IterMut<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.47s [INFO] running `Command { std: "docker" "inspect" "1f57019ad62dcf051bb01cdf4b8582c53049806c348e2f0f30d8fb9e172bbce2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f57019ad62dcf051bb01cdf4b8582c53049806c348e2f0f30d8fb9e172bbce2", kill_on_drop: false }` [INFO] [stdout] 1f57019ad62dcf051bb01cdf4b8582c53049806c348e2f0f30d8fb9e172bbce2