[INFO] cloning repository https://github.com/tommilligan/protov
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tommilligan/protov" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommilligan%2Fprotov", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommilligan%2Fprotov'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2ebe78b9483b2763f4017908b5fb5ec946c7974
[INFO] checking tommilligan/protov against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommilligan%2Fprotov" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tommilligan/protov on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tommilligan/protov
[INFO] finished tweaking git repo https://github.com/tommilligan/protov
[INFO] tweaked toml for git repo https://github.com/tommilligan/protov written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/tommilligan/protov already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/tommilligan/hexyl`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded lipsum v0.6.0
[INFO] [stderr]   Downloaded protobuf v2.7.0
[INFO] [stderr]   Downloaded backtrace v0.3.33
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded serde-value v0.6.0
[INFO] [stderr]   Downloaded libc v0.2.60
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded serde-protobuf v0.8.1
[INFO] [stderr]   Downloaded log v0.4.7
[INFO] [stderr]   Downloaded autocfg v0.1.5
[INFO] [stderr]   Downloaded term_size v0.3.1
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded erased_serde_json v0.1.1
[INFO] [stderr]   Downloaded serde v1.0.96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4035db932622f1b8b3fc2321259a8d9710d22e9051d0eac1f95a3bc6a5bae126
[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" "4035db932622f1b8b3fc2321259a8d9710d22e9051d0eac1f95a3bc6a5bae126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4035db932622f1b8b3fc2321259a8d9710d22e9051d0eac1f95a3bc6a5bae126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4035db932622f1b8b3fc2321259a8d9710d22e9051d0eac1f95a3bc6a5bae126", kill_on_drop: false }`
[INFO] [stdout] 4035db932622f1b8b3fc2321259a8d9710d22e9051d0eac1f95a3bc6a5bae126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03b652c47287dc6022a50e04c0336b757171d4d49c35168f9cd938247b43f8cb
[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" "03b652c47287dc6022a50e04c0336b757171d4d49c35168f9cd938247b43f8cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]    Compiling serde v1.0.96
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking log v0.4.7
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking lipsum v0.6.0
[INFO] [stderr]     Checking backtrace v0.3.33
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking hexyl v0.5.1 (https://github.com/tommilligan/hexyl?branch=lib#5ffeb919)
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking erased_serde_json v0.1.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking serde-protobuf v0.8.1
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking protov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]    Compiling serialize-emails v0.1.0 (/opt/rustwide/workdir/prost-email)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "03b652c47287dc6022a50e04c0336b757171d4d49c35168f9cd938247b43f8cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b652c47287dc6022a50e04c0336b757171d4d49c35168f9cd938247b43f8cb", kill_on_drop: false }`
[INFO] [stdout] 03b652c47287dc6022a50e04c0336b757171d4d49c35168f9cd938247b43f8cb