[INFO] fetching crate prost 0.10.0...
[INFO] testing prost-0.10.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate prost 0.10.0 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate prost 0.10.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prost 0.10.0
[INFO] finished tweaking crates.io crate prost 0.10.0
[INFO] tweaked toml for crates.io crate prost 0.10.0 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09fca55a0b082b2188611014f518b94c1ade8bcc269696c1a43ebf75cbc16280
[INFO] running `Command { std: "docker" "start" "-a" "09fca55a0b082b2188611014f518b94c1ade8bcc269696c1a43ebf75cbc16280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09fca55a0b082b2188611014f518b94c1ade8bcc269696c1a43ebf75cbc16280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09fca55a0b082b2188611014f518b94c1ade8bcc269696c1a43ebf75cbc16280", kill_on_drop: false }`
[INFO] [stdout] 09fca55a0b082b2188611014f518b94c1ade8bcc269696c1a43ebf75cbc16280
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 506e3f26cdfddb5461e90e38f00b4d1a16665b0c29ab4538e0819f1658180de8
[INFO] running `Command { std: "docker" "start" "-a" "506e3f26cdfddb5461e90e38f00b4d1a16665b0c29ab4538e0819f1658180de8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling prost-derive v0.10.0
[INFO] [stderr]    Compiling prost v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.51s
[INFO] running `Command { std: "docker" "inspect" "506e3f26cdfddb5461e90e38f00b4d1a16665b0c29ab4538e0819f1658180de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "506e3f26cdfddb5461e90e38f00b4d1a16665b0c29ab4538e0819f1658180de8", kill_on_drop: false }`
[INFO] [stdout] 506e3f26cdfddb5461e90e38f00b4d1a16665b0c29ab4538e0819f1658180de8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e15d4eff8f03046e1b9c3251e891789f98cbec200ddfe07e6dcef31e6e4c0f49
[INFO] running `Command { std: "docker" "start" "-a" "e15d4eff8f03046e1b9c3251e891789f98cbec200ddfe07e6dcef31e6e4c0f49", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling proptest v1.0.0
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling prost v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `prost`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name prost --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="prost-derive"' --cfg 'feature="std"' -C metadata=b8cd2dd0de2e387f -C extra-filename=-b8cd2dd0de2e387f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-0e81a42d803a9dfd.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-a11c5b5b5a155025.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-2a8c995ea682d318.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-1e8f0341924255e9.rlib --extern proptest=/opt/rustwide/target/debug/deps/libproptest-13c60dd8ed7b64a0.rlib --extern prost_derive=/opt/rustwide/target/debug/deps/libprost_derive-90b1bfa777471b1c.so --extern rand=/opt/rustwide/target/debug/deps/librand-f29187ca0a1f9e7a.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "e15d4eff8f03046e1b9c3251e891789f98cbec200ddfe07e6dcef31e6e4c0f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e15d4eff8f03046e1b9c3251e891789f98cbec200ddfe07e6dcef31e6e4c0f49", kill_on_drop: false }`
[INFO] [stdout] e15d4eff8f03046e1b9c3251e891789f98cbec200ddfe07e6dcef31e6e4c0f49