[INFO] cloning repository https://github.com/sleb/mines
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sleb/mines" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleb%2Fmines", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleb%2Fmines'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e66b86ec37a538a48fc1d8fdea4ef7e6ea0a3160
[INFO] checking sleb/mines against try#802c9b5f98c16ec9d24cdfd517f740f1f3df0e29 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleb%2Fmines" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sleb/mines on toolchain 802c9b5f98c16ec9d24cdfd517f740f1f3df0e29
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sleb/mines
[INFO] finished tweaking git repo https://github.com/sleb/mines
[INFO] tweaked toml for git repo https://github.com/sleb/mines written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sleb/mines 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" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking sleb/mines against try#802c9b5f98c16ec9d24cdfd517f740f1f3df0e29 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleb%2Fmines" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sleb/mines on toolchain 802c9b5f98c16ec9d24cdfd517f740f1f3df0e29
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sleb/mines
[INFO] finished tweaking git repo https://github.com/sleb/mines
[INFO] tweaked toml for git repo https://github.com/sleb/mines written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sleb/mines 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" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "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 darling v0.20.1
[INFO] [stderr]   Downloaded darling_macro v0.20.1
[INFO] [stderr]   Downloaded term_size v0.3.2
[INFO] [stderr]   Downloaded quote v1.0.27
[INFO] [stderr]   Downloaded enum-map-derive v0.11.0
[INFO] [stderr]   Downloaded ncurses v5.101.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.15
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded darling_core v0.20.1
[INFO] [stderr]   Downloaded enum-map v2.5.0
[INFO] [stderr]   Downloaded signal-hook v0.3.15
[INFO] [stderr]   Downloaded syn v2.0.15
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 193b49a37a589a412076099312c8bc179b68ae5ee7433929e38970312517e7a2
[INFO] running `Command { std: "docker" "start" "-a" "193b49a37a589a412076099312c8bc179b68ae5ee7433929e38970312517e7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "193b49a37a589a412076099312c8bc179b68ae5ee7433929e38970312517e7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "193b49a37a589a412076099312c8bc179b68ae5ee7433929e38970312517e7a2", kill_on_drop: false }`
[INFO] [stdout] 193b49a37a589a412076099312c8bc179b68ae5ee7433929e38970312517e7a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d8a0d119ff4f6fcbe96ebea8b2190d65bfe5587214f454a4bd04108838b4447
[INFO] running `Command { std: "docker" "start" "-a" "8d8a0d119ff4f6fcbe96ebea8b2190d65bfe5587214f454a4bd04108838b4447", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking maplit v1.0.2
[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]     Checking crossbeam-channel v0.5.8
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[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" "8d8a0d119ff4f6fcbe96ebea8b2190d65bfe5587214f454a4bd04108838b4447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d8a0d119ff4f6fcbe96ebea8b2190d65bfe5587214f454a4bd04108838b4447", kill_on_drop: false }`
[INFO] [stdout] 8d8a0d119ff4f6fcbe96ebea8b2190d65bfe5587214f454a4bd04108838b4447