[INFO] fetching crate prettyjson 0.1.2...
[INFO] checking prettyjson-0.1.2 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate prettyjson 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate prettyjson 0.1.2 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prettyjson 0.1.2
[INFO] finished tweaking crates.io crate prettyjson 0.1.2
[INFO] tweaked toml for crates.io crate prettyjson 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate prettyjson 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blake2b_simd v0.5.9
[INFO] [stderr]   Downloaded json v0.11.15
[INFO] [stderr]   Downloaded argparse v0.2.2
[INFO] [stderr]   Downloaded rust_util v0.1.0
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad2600c09842cc4cd8af741f1fcbab5557ea3706ab2e2873f47f7860fb9cccd0
[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" "ad2600c09842cc4cd8af741f1fcbab5557ea3706ab2e2873f47f7860fb9cccd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad2600c09842cc4cd8af741f1fcbab5557ea3706ab2e2873f47f7860fb9cccd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad2600c09842cc4cd8af741f1fcbab5557ea3706ab2e2873f47f7860fb9cccd0", kill_on_drop: false }`
[INFO] [stdout] ad2600c09842cc4cd8af741f1fcbab5557ea3706ab2e2873f47f7860fb9cccd0
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a5438c7008bb5cb956be835e269dc59221c821f71149e830c172e16fcfd3b33
[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" "6a5438c7008bb5cb956be835e269dc59221c821f71149e830c172e16fcfd3b33", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling prettyjson v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rust_util v0.1.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.48s
[INFO] running `Command { std: "docker" "inspect" "6a5438c7008bb5cb956be835e269dc59221c821f71149e830c172e16fcfd3b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5438c7008bb5cb956be835e269dc59221c821f71149e830c172e16fcfd3b33", kill_on_drop: false }`
[INFO] [stdout] 6a5438c7008bb5cb956be835e269dc59221c821f71149e830c172e16fcfd3b33