[INFO] cloning repository https://github.com/bimalkeeth/rust_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bimalkeeth/rust_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbimalkeeth%2Frust_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbimalkeeth%2Frust_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 778462caefe7c3679f8204b85cc9309f54a6e438
[INFO] checking bimalkeeth/rust_examples against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbimalkeeth%2Frust_examples" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bimalkeeth/rust_examples
[INFO] finished tweaking git repo https://github.com/bimalkeeth/rust_examples
[INFO] tweaked toml for git repo https://github.com/bimalkeeth/rust_examples written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bimalkeeth/rust_examples on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bimalkeeth/rust_examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking bimalkeeth/rust_examples against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbimalkeeth%2Frust_examples" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bimalkeeth/rust_examples
[INFO] finished tweaking git repo https://github.com/bimalkeeth/rust_examples
[INFO] tweaked toml for git repo https://github.com/bimalkeeth/rust_examples written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bimalkeeth/rust_examples on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bimalkeeth/rust_examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-async v2.7.0
[INFO] [stderr]   Downloaded slog-json v2.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be25d07f00b86a6ec0c96079757fde57d0319ece881c0633977a2539486117a4
[INFO] running `Command { std: "docker" "start" "-a" "be25d07f00b86a6ec0c96079757fde57d0319ece881c0633977a2539486117a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be25d07f00b86a6ec0c96079757fde57d0319ece881c0633977a2539486117a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be25d07f00b86a6ec0c96079757fde57d0319ece881c0633977a2539486117a4", kill_on_drop: false }`
[INFO] [stdout] be25d07f00b86a6ec0c96079757fde57d0319ece881c0633977a2539486117a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5153e0f5aa3877293d6041c0c39f687fc55abb8c413e318e4921cd3e6178a674
[INFO] running `Command { std: "docker" "start" "-a" "5153e0f5aa3877293d6041c0c39f687fc55abb8c413e318e4921cd3e6178a674", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5153e0f5aa3877293d6041c0c39f687fc55abb8c413e318e4921cd3e6178a674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5153e0f5aa3877293d6041c0c39f687fc55abb8c413e318e4921cd3e6178a674", kill_on_drop: false }`
[INFO] [stdout] 5153e0f5aa3877293d6041c0c39f687fc55abb8c413e318e4921cd3e6178a674
