[INFO] cloning repository https://github.com/seungha-kim/json-monkey-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seungha-kim/json-monkey-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseungha-kim%2Fjson-monkey-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseungha-kim%2Fjson-monkey-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adf210299b731bf3d122a91cbdacc449f76a6d2a
[INFO] checking seungha-kim/json-monkey-rs against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseungha-kim%2Fjson-monkey-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seungha-kim/json-monkey-rs on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seungha-kim/json-monkey-rs
[INFO] finished tweaking git repo https://github.com/seungha-kim/json-monkey-rs
[INFO] tweaked toml for git repo https://github.com/seungha-kim/json-monkey-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/seungha-kim/json-monkey-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fa74e03611adeb9e5ffd50e6ddbed16777119a169a6d2f2a607fd321e2bc95c
[INFO] running `Command { std: "docker" "start" "-a" "4fa74e03611adeb9e5ffd50e6ddbed16777119a169a6d2f2a607fd321e2bc95c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fa74e03611adeb9e5ffd50e6ddbed16777119a169a6d2f2a607fd321e2bc95c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa74e03611adeb9e5ffd50e6ddbed16777119a169a6d2f2a607fd321e2bc95c", kill_on_drop: false }`
[INFO] [stdout] 4fa74e03611adeb9e5ffd50e6ddbed16777119a169a6d2f2a607fd321e2bc95c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52195e5864770d2a79cc594a70feb0c062dea23a099cafb7ba656010b686141c
[INFO] running `Command { std: "docker" "start" "-a" "52195e5864770d2a79cc594a70feb0c062dea23a099cafb7ba656010b686141c", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking fd-lock v2.0.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking rustyline v8.2.0
[INFO] [stderr]     Checking json-monkey-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.37s
[INFO] running `Command { std: "docker" "inspect" "52195e5864770d2a79cc594a70feb0c062dea23a099cafb7ba656010b686141c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52195e5864770d2a79cc594a70feb0c062dea23a099cafb7ba656010b686141c", kill_on_drop: false }`
[INFO] [stdout] 52195e5864770d2a79cc594a70feb0c062dea23a099cafb7ba656010b686141c