[INFO] cloning repository https://github.com/garethl/exif-json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garethl/exif-json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarethl%2Fexif-json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarethl%2Fexif-json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a6a48dc532988a7ec2291a466734a5b26d794ab
[INFO] checking garethl/exif-json against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarethl%2Fexif-json" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/garethl/exif-json on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/garethl/exif-json
[INFO] finished tweaking git repo https://github.com/garethl/exif-json
[INFO] tweaked toml for git repo https://github.com/garethl/exif-json written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/garethl/exif-json already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e02e64ebd5dc4501d0de0f479310a9458ed2d40b2fe2dce118be4f4fba3df98
[INFO] running `Command { std: "docker" "start" "-a" "9e02e64ebd5dc4501d0de0f479310a9458ed2d40b2fe2dce118be4f4fba3df98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e02e64ebd5dc4501d0de0f479310a9458ed2d40b2fe2dce118be4f4fba3df98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e02e64ebd5dc4501d0de0f479310a9458ed2d40b2fe2dce118be4f4fba3df98", kill_on_drop: false }`
[INFO] [stdout] 9e02e64ebd5dc4501d0de0f479310a9458ed2d40b2fe2dce118be4f4fba3df98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f69b254501e445f3cb2d303af57fb19d543f5cc4882fdebcf0f057e3e9b53e2
[INFO] running `Command { std: "docker" "start" "-a" "4f69b254501e445f3cb2d303af57fb19d543f5cc4882fdebcf0f057e3e9b53e2", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking mutate_once v0.1.1
[INFO] [stderr]     Checking kamadak-exif v0.5.2
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking exif-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "4f69b254501e445f3cb2d303af57fb19d543f5cc4882fdebcf0f057e3e9b53e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f69b254501e445f3cb2d303af57fb19d543f5cc4882fdebcf0f057e3e9b53e2", kill_on_drop: false }`
[INFO] [stdout] 4f69b254501e445f3cb2d303af57fb19d543f5cc4882fdebcf0f057e3e9b53e2