[INFO] cloning repository https://github.com/birkenfeld/fddf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/birkenfeld/fddf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirkenfeld%2Ffddf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirkenfeld%2Ffddf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7229172ddf0644c6d9a5d08a657658809dbccb25
[INFO] checking birkenfeld/fddf against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirkenfeld%2Ffddf" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/birkenfeld/fddf on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/birkenfeld/fddf
[INFO] finished tweaking git repo https://github.com/birkenfeld/fddf
[INFO] tweaked toml for git repo https://github.com/birkenfeld/fddf written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/birkenfeld/fddf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.6
[INFO] [stderr]   Downloaded structopt v0.3.13
[INFO] [stderr]   Downloaded blake3 v0.3.1
[INFO] [stderr]   Downloaded unbytify v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 597f1f2f9c211a4d8504ad3be312f6bea07b41d67b4d353bf9f62ddcfc05a3c0
[INFO] running `Command { std: "docker" "start" "-a" "597f1f2f9c211a4d8504ad3be312f6bea07b41d67b4d353bf9f62ddcfc05a3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "597f1f2f9c211a4d8504ad3be312f6bea07b41d67b4d353bf9f62ddcfc05a3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "597f1f2f9c211a4d8504ad3be312f6bea07b41d67b4d353bf9f62ddcfc05a3c0", kill_on_drop: false }`
[INFO] [stdout] 597f1f2f9c211a4d8504ad3be312f6bea07b41d67b4d353bf9f62ddcfc05a3c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0495856b1ef743934f7299c2756cf69c0880108be0e1f373e85a36ef0445a86d
[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" "0495856b1ef743934f7299c2756cf69c0880108be0e1f373e85a36ef0445a86d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking unbytify v0.2.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]    Compiling blake3 v0.3.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.6
[INFO] [stderr]     Checking structopt v0.3.13
[INFO] [stderr]     Checking fddf v1.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.54s
[INFO] running `Command { std: "docker" "inspect" "0495856b1ef743934f7299c2756cf69c0880108be0e1f373e85a36ef0445a86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0495856b1ef743934f7299c2756cf69c0880108be0e1f373e85a36ef0445a86d", kill_on_drop: false }`
[INFO] [stdout] 0495856b1ef743934f7299c2756cf69c0880108be0e1f373e85a36ef0445a86d