[INFO] fetching crate jtd-fuzz 0.1.19...
[INFO] checking jtd-fuzz-0.1.19 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate jtd-fuzz 0.1.19 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate jtd-fuzz 0.1.19 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 jtd-fuzz 0.1.19
[INFO] finished tweaking crates.io crate jtd-fuzz 0.1.19
[INFO] tweaked toml for crates.io crate jtd-fuzz 0.1.19 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate jtd-fuzz 0.1.19 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 jtd v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 660f26a906c58db27b857ae1096c3e18fb6e6b45b1813f2761784606f72a6f55
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "660f26a906c58db27b857ae1096c3e18fb6e6b45b1813f2761784606f72a6f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "660f26a906c58db27b857ae1096c3e18fb6e6b45b1813f2761784606f72a6f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "660f26a906c58db27b857ae1096c3e18fb6e6b45b1813f2761784606f72a6f55", kill_on_drop: false }`
[INFO] [stdout] 660f26a906c58db27b857ae1096c3e18fb6e6b45b1813f2761784606f72a6f55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b0569d8b7b30ee0cffefed3f78026475a72e8fa5890c3aa684fe497333ca8a0b
[INFO] running `Command { std: "docker" "start" "-a" "b0569d8b7b30ee0cffefed3f78026475a72e8fa5890c3aa684fe497333ca8a0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking jtd v0.2.1
[INFO] [stderr]     Checking jtd-fuzz v0.1.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.23s
[INFO] running `Command { std: "docker" "inspect" "b0569d8b7b30ee0cffefed3f78026475a72e8fa5890c3aa684fe497333ca8a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0569d8b7b30ee0cffefed3f78026475a72e8fa5890c3aa684fe497333ca8a0b", kill_on_drop: false }`
[INFO] [stdout] b0569d8b7b30ee0cffefed3f78026475a72e8fa5890c3aa684fe497333ca8a0b