[INFO] fetching crate chema 0.0.8...
[INFO] checking chema-0.0.8 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate chema 0.0.8 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate chema 0.0.8 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chema 0.0.8
[INFO] finished tweaking crates.io crate chema 0.0.8
[INFO] tweaked toml for crates.io crate chema 0.0.8 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate chema 0.0.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded combine v3.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 873cace423367c3f02e82fc8695d8d405d7cccdf121d4264a72a1a23713c7749
[INFO] running `Command { std: "docker" "start" "-a" "873cace423367c3f02e82fc8695d8d405d7cccdf121d4264a72a1a23713c7749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "873cace423367c3f02e82fc8695d8d405d7cccdf121d4264a72a1a23713c7749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "873cace423367c3f02e82fc8695d8d405d7cccdf121d4264a72a1a23713c7749", kill_on_drop: false }`
[INFO] [stdout] 873cace423367c3f02e82fc8695d8d405d7cccdf121d4264a72a1a23713c7749
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0608c8d6c3cc27d99f1105d0511d113d7dd6090dfda8df076bad9803773ff365
[INFO] running `Command { std: "docker" "start" "-a" "0608c8d6c3cc27d99f1105d0511d113d7dd6090dfda8df076bad9803773ff365", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking combine v3.6.3
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking serde_yaml v0.8.8
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking chema v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parser.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn new(t: T) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.38s
[INFO] running `Command { std: "docker" "inspect" "0608c8d6c3cc27d99f1105d0511d113d7dd6090dfda8df076bad9803773ff365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0608c8d6c3cc27d99f1105d0511d113d7dd6090dfda8df076bad9803773ff365", kill_on_drop: false }`
[INFO] [stdout] 0608c8d6c3cc27d99f1105d0511d113d7dd6090dfda8df076bad9803773ff365