[INFO] cloning repository https://github.com/gozumi/rust-mongo-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gozumi/rust-mongo-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgozumi%2Frust-mongo-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgozumi%2Frust-mongo-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 900c9738f19eeb09a86a4dc46f2ebe4b31362e9e
[INFO] checking gozumi/rust-mongo-demo against try#8ac0915e346f9a2e49ca3951b642c55bd7d1eaab for pr-158447
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgozumi%2Frust-mongo-demo" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gozumi/rust-mongo-demo
[INFO] finished tweaking git repo https://github.com/gozumi/rust-mongo-demo
[INFO] tweaked toml for git repo https://github.com/gozumi/rust-mongo-demo written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gozumi/rust-mongo-demo on toolchain 8ac0915e346f9a2e49ca3951b642c55bd7d1eaab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gozumi/rust-mongo-demo 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" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "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-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d89a10d3d51670d63cec3b9ce7b40c4d0c332ecd1aeb43602553f46c56de9551
[INFO] running `Command { std: "docker" "start" "d89a10d3d51670d63cec3b9ce7b40c4d0c332ecd1aeb43602553f46c56de9551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d89a10d3d51670d63cec3b9ce7b40c4d0c332ecd1aeb43602553f46c56de9551" "/opt/rustwide/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d89a10d3d51670d63cec3b9ce7b40c4d0c332ecd1aeb43602553f46c56de9551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d89a10d3d51670d63cec3b9ce7b40c4d0c332ecd1aeb43602553f46c56de9551" "/opt/rustwide/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]     Checking generic-array v0.14.6
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling async-trait v0.1.64
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling rustc_version_runtime v0.2.1
[INFO] [stderr]    Compiling time-macros v0.2.6
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking data-encoding v2.3.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking resolv-conf v0.7.0
[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" "d89a10d3d51670d63cec3b9ce7b40c4d0c332ecd1aeb43602553f46c56de9551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89a10d3d51670d63cec3b9ce7b40c4d0c332ecd1aeb43602553f46c56de9551", kill_on_drop: false }`
[INFO] [stdout] d89a10d3d51670d63cec3b9ce7b40c4d0c332ecd1aeb43602553f46c56de9551
