[INFO] fetching crate ppjson 0.1.0...
[INFO] checking ppjson-0.1.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate ppjson 0.1.0 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate ppjson 0.1.0 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ppjson 0.1.0
[INFO] finished tweaking crates.io crate ppjson 0.1.0
[INFO] tweaked toml for crates.io crate ppjson 0.1.0 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate crates.io crate ppjson 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded errno v0.2.4
[INFO] [stderr]   Downloaded indexmap v1.3.0
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded serde_json v1.0.44
[INFO] [stderr]   Downloaded colored v1.9.0
[INFO] [stderr]   Downloaded serde v1.0.103
[INFO] [stderr]   Downloaded atty v0.2.13
[INFO] [stderr]   Downloaded ryu v1.0.2
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded json-color v0.7.1
[INFO] [stderr]   Downloaded pager v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63b4c6c43c737d5f13b424cd9a1fbc7ba536fb5a050fd507a7b1136e79afcdd0
[INFO] running `Command { std: "docker" "start" "-a" "63b4c6c43c737d5f13b424cd9a1fbc7ba536fb5a050fd507a7b1136e79afcdd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63b4c6c43c737d5f13b424cd9a1fbc7ba536fb5a050fd507a7b1136e79afcdd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b4c6c43c737d5f13b424cd9a1fbc7ba536fb5a050fd507a7b1136e79afcdd0", kill_on_drop: false }`
[INFO] [stdout] 63b4c6c43c737d5f13b424cd9a1fbc7ba536fb5a050fd507a7b1136e79afcdd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4ce2f4e25fb8dea0081e0cf73be3516d77652983dde2e82ff2f41a87a9498ed
[INFO] running `Command { std: "docker" "start" "-a" "f4ce2f4e25fb8dea0081e0cf73be3516d77652983dde2e82ff2f41a87a9498ed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking pager v0.14.0
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking json-color v0.7.1
[INFO] [stderr]     Checking ppjson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.45s
[INFO] running `Command { std: "docker" "inspect" "f4ce2f4e25fb8dea0081e0cf73be3516d77652983dde2e82ff2f41a87a9498ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ce2f4e25fb8dea0081e0cf73be3516d77652983dde2e82ff2f41a87a9498ed", kill_on_drop: false }`
[INFO] [stdout] f4ce2f4e25fb8dea0081e0cf73be3516d77652983dde2e82ff2f41a87a9498ed