[INFO] fetching crate rexif 0.5.0...
[INFO] checking rexif-0.5.0 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate rexif 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rexif 0.5.0 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rexif 0.5.0
[INFO] finished tweaking crates.io crate rexif 0.5.0
[INFO] tweaked toml for crates.io crate rexif 0.5.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rexif 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90a710dfef6f6f8983fd1e7061f58466c611db59b065e6f38220dd3c52445956
[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" "90a710dfef6f6f8983fd1e7061f58466c611db59b065e6f38220dd3c52445956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90a710dfef6f6f8983fd1e7061f58466c611db59b065e6f38220dd3c52445956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a710dfef6f6f8983fd1e7061f58466c611db59b065e6f38220dd3c52445956", kill_on_drop: false }`
[INFO] [stdout] 90a710dfef6f6f8983fd1e7061f58466c611db59b065e6f38220dd3c52445956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 470ecb1172a3e0e94ab3cc06ea98aae555c745be1633cce7f2fe4f4d08b48d43
[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" "470ecb1172a3e0e94ab3cc06ea98aae555c745be1633cce7f2fe4f4d08b48d43", kill_on_drop: false }`
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking rexif v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.87s
[INFO] running `Command { std: "docker" "inspect" "470ecb1172a3e0e94ab3cc06ea98aae555c745be1633cce7f2fe4f4d08b48d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470ecb1172a3e0e94ab3cc06ea98aae555c745be1633cce7f2fe4f4d08b48d43", kill_on_drop: false }`
[INFO] [stdout] 470ecb1172a3e0e94ab3cc06ea98aae555c745be1633cce7f2fe4f4d08b48d43