[INFO] fetching crate prost-simple-rpc-build 0.3.0...
[INFO] checking prost-simple-rpc-build-0.3.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate prost-simple-rpc-build 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate prost-simple-rpc-build 0.3.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prost-simple-rpc-build 0.3.0
[INFO] finished tweaking crates.io crate prost-simple-rpc-build 0.3.0
[INFO] tweaked toml for crates.io crate prost-simple-rpc-build 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-types v0.4.0
[INFO] [stderr]   Downloaded prost-derive v0.4.0
[INFO] [stderr]   Downloaded prost v0.4.0
[INFO] [stderr]   Downloaded prost-build v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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] b0933a2470e7dd65e6dd637f81cd546ed85faad2bb88f39523694582a417efc7
[INFO] running `Command { std: "docker" "start" "-a" "b0933a2470e7dd65e6dd637f81cd546ed85faad2bb88f39523694582a417efc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0933a2470e7dd65e6dd637f81cd546ed85faad2bb88f39523694582a417efc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0933a2470e7dd65e6dd637f81cd546ed85faad2bb88f39523694582a417efc7", kill_on_drop: false }`
[INFO] [stdout] b0933a2470e7dd65e6dd637f81cd546ed85faad2bb88f39523694582a417efc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c10640cb3c2a79ce732234f0ca9f4dbd26987b7b15c511e0e1a0e70cf92fece
[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" "9c10640cb3c2a79ce732234f0ca9f4dbd26987b7b15c511e0e1a0e70cf92fece", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling object v0.24.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking heck v0.3.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking prost v0.4.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling addr2line v0.15.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-build v0.4.0
[INFO] [stderr]    Compiling prost-derive v0.4.0
[INFO] [stderr]     Checking prost-types v0.4.0
[INFO] [stderr]     Checking prost-simple-rpc-build v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.00s
[INFO] running `Command { std: "docker" "inspect" "9c10640cb3c2a79ce732234f0ca9f4dbd26987b7b15c511e0e1a0e70cf92fece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c10640cb3c2a79ce732234f0ca9f4dbd26987b7b15c511e0e1a0e70cf92fece", kill_on_drop: false }`
[INFO] [stdout] 9c10640cb3c2a79ce732234f0ca9f4dbd26987b7b15c511e0e1a0e70cf92fece