[INFO] crate jsonbox 0.2.0 is already in cache
[INFO] checking jsonbox-0.2.0 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate jsonbox 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate jsonbox 0.2.0 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate jsonbox 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate jsonbox 0.2.0
[INFO] tweaked toml for crates.io crate jsonbox 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate jsonbox 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 240b4606e5f8dc3be89066eaa1b903a61a20fcc1c2cf4399b2d75b7bae792ac8
[INFO] running `"docker" "start" "-a" "240b4606e5f8dc3be89066eaa1b903a61a20fcc1c2cf4399b2d75b7bae792ac8"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]     Checking miniz_oxide v0.3.2
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking backtrace v0.3.37
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking snafu v0.5.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking assert-json-diff v1.0.0
[INFO] [stderr]     Checking mockito v0.20.0
[INFO] [stderr]     Checking reqwest v0.9.20
[INFO] [stderr]     Checking jsonbox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.55s
[INFO] running `"docker" "inspect" "240b4606e5f8dc3be89066eaa1b903a61a20fcc1c2cf4399b2d75b7bae792ac8"`
[INFO] running `"docker" "rm" "-f" "240b4606e5f8dc3be89066eaa1b903a61a20fcc1c2cf4399b2d75b7bae792ac8"`
[INFO] [stdout] 240b4606e5f8dc3be89066eaa1b903a61a20fcc1c2cf4399b2d75b7bae792ac8