[INFO] fetching crate prosto 0.6.0...
[INFO] checking prosto-0.6.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate prosto 0.6.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate prosto 0.6.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prosto 0.6.0
[INFO] finished tweaking crates.io crate prosto 0.6.0
[INFO] tweaked toml for crates.io crate prosto 0.6.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e3bdd5058a7495a509dc1e09861cca7b153bd2f1d3e496d7e2b31e0f074f084
[INFO] running `Command { std: "docker" "start" "-a" "0e3bdd5058a7495a509dc1e09861cca7b153bd2f1d3e496d7e2b31e0f074f084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e3bdd5058a7495a509dc1e09861cca7b153bd2f1d3e496d7e2b31e0f074f084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e3bdd5058a7495a509dc1e09861cca7b153bd2f1d3e496d7e2b31e0f074f084", kill_on_drop: false }`
[INFO] [stdout] 0e3bdd5058a7495a509dc1e09861cca7b153bd2f1d3e496d7e2b31e0f074f084
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2eef203a056fcaffcef0251494d0d5c522c77fd2dea56586a364253ff04545c
[INFO] running `Command { std: "docker" "start" "-a" "d2eef203a056fcaffcef0251494d0d5c522c77fd2dea56586a364253ff04545c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling zstd-safe v3.1.0+zstd.1.4.9
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling zstd-sys v1.5.0+zstd.1.4.9
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking prost v0.7.0
[INFO] [stderr]     Checking prost-types v0.7.0
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking zstd v0.7.0+zstd.1.4.9
[INFO] [stderr]     Checking prosto v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.86s
[INFO] running `Command { std: "docker" "inspect" "d2eef203a056fcaffcef0251494d0d5c522c77fd2dea56586a364253ff04545c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2eef203a056fcaffcef0251494d0d5c522c77fd2dea56586a364253ff04545c", kill_on_drop: false }`
[INFO] [stdout] d2eef203a056fcaffcef0251494d0d5c522c77fd2dea56586a364253ff04545c