[INFO] fetching crate ajson 0.3.1...
[INFO] checking ajson-0.3.1 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate ajson 0.3.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ajson 0.3.1 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom v5.1.3
[INFO] [stderr]   Downloaded arrayvec v0.5.2
[INFO] [stderr]   Downloaded rustc_version v0.4.0
[INFO] [stderr]   Downloaded cast v0.2.7
[INFO] [stderr]   Downloaded rand_xoshiro v0.1.0
[INFO] [stderr]   Downloaded semver v1.0.22
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded criterion-plot v0.3.1
[INFO] [stderr]   Downloaded lexical-core v0.7.6
[INFO] [stderr]   Downloaded criterion v0.2.11
[INFO] [stderr]   Downloaded gjson v0.8.1
[INFO] [stderr]   Downloaded json v0.11.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9e68cdc33dda9f710ed1e94c6ee08c2b5df241b0453426a2e768c5b21a58e77
[INFO] running `Command { std: "docker" "start" "-a" "d9e68cdc33dda9f710ed1e94c6ee08c2b5df241b0453426a2e768c5b21a58e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9e68cdc33dda9f710ed1e94c6ee08c2b5df241b0453426a2e768c5b21a58e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e68cdc33dda9f710ed1e94c6ee08c2b5df241b0453426a2e768c5b21a58e77", kill_on_drop: false }`
[INFO] [stdout] d9e68cdc33dda9f710ed1e94c6ee08c2b5df241b0453426a2e768c5b21a58e77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b53e8d7bf036e388ec4c18371d43555edfcdc2ea845ab1c8f03e3f7e144bb931
[INFO] running `Command { std: "docker" "start" "-a" "b53e8d7bf036e388ec4c18371d43555edfcdc2ea845ab1c8f03e3f7e144bb931", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]     Checking gjson v0.8.1
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking ajson v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/number.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.4.0
[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]    Compiling cast v0.2.7
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stdout] error: couldn't read benches/ajson_benchmark.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ajson` (bench "traversing_benchmark") due to 2 previous errors
[INFO] [stdout] error: couldn't read benches/traversing.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ajson` (bench "ajson_benchmark") due to 2 previous errors
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/number.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b53e8d7bf036e388ec4c18371d43555edfcdc2ea845ab1c8f03e3f7e144bb931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b53e8d7bf036e388ec4c18371d43555edfcdc2ea845ab1c8f03e3f7e144bb931", kill_on_drop: false }`
[INFO] [stdout] b53e8d7bf036e388ec4c18371d43555edfcdc2ea845ab1c8f03e3f7e144bb931
