[INFO] cloning repository https://github.com/tdbgamer/json-generator-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tdbgamer/json-generator-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdbgamer%2Fjson-generator-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdbgamer%2Fjson-generator-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7b0d7b079600b222f664fc64266c1cbf2cdb1c8
[INFO] checking tdbgamer/json-generator-rs against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdbgamer%2Fjson-generator-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tdbgamer/json-generator-rs on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tdbgamer/json-generator-rs
[INFO] finished tweaking git repo https://github.com/tdbgamer/json-generator-rs
[INFO] tweaked toml for git repo https://github.com/tdbgamer/json-generator-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", 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] 8f25bf2132c59d68da5685575a6dd0dd124df1c1fa1338fd539cdd21e9643eb6
[INFO] running `Command { std: "docker" "start" "-a" "8f25bf2132c59d68da5685575a6dd0dd124df1c1fa1338fd539cdd21e9643eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f25bf2132c59d68da5685575a6dd0dd124df1c1fa1338fd539cdd21e9643eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f25bf2132c59d68da5685575a6dd0dd124df1c1fa1338fd539cdd21e9643eb6", kill_on_drop: false }`
[INFO] [stdout] 8f25bf2132c59d68da5685575a6dd0dd124df1c1fa1338fd539cdd21e9643eb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18b3bcd8ac7a06c1ddb913ee056e873ca824307d9904ac85f21fa99fb149b281
[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" "18b3bcd8ac7a06c1ddb913ee056e873ca824307d9904ac85f21fa99fb149b281", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.57
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking json-generator v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.32s
[INFO] running `Command { std: "docker" "inspect" "18b3bcd8ac7a06c1ddb913ee056e873ca824307d9904ac85f21fa99fb149b281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b3bcd8ac7a06c1ddb913ee056e873ca824307d9904ac85f21fa99fb149b281", kill_on_drop: false }`
[INFO] [stdout] 18b3bcd8ac7a06c1ddb913ee056e873ca824307d9904ac85f21fa99fb149b281