[INFO] fetching crate vipera 0.1.5...
[INFO] checking vipera-0.1.5 against master#eeb94be79adc9df7a09ad0b2421f16e60e6d932c for pr-152971
[INFO] extracting crate vipera 0.1.5 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate vipera 0.1.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate vipera 0.1.5
[INFO] tweaked toml for crates.io crate vipera 0.1.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vipera 0.1.5 on toolchain eeb94be79adc9df7a09ad0b2421f16e60e6d932c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vipera 0.1.5 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" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_datetime v0.6.5
[INFO] [stderr]   Downloaded serde_spanned v0.6.5
[INFO] [stderr]   Downloaded itoa v1.0.11
[INFO] [stderr]   Downloaded toml v0.8.12
[INFO] [stderr]   Downloaded os_str_bytes v6.6.1
[INFO] [stderr]   Downloaded serde v1.0.197
[INFO] [stderr]   Downloaded ryu v1.0.17
[INFO] [stderr]   Downloaded anyhow v1.0.81
[INFO] [stderr]   Downloaded serde_yaml v0.9.34+deprecated
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.11
[INFO] [stderr]   Downloaded toml_edit v0.22.9
[INFO] [stderr]   Downloaded hashbrown v0.14.3
[INFO] [stderr]   Downloaded serde_json v1.0.115
[INFO] [stderr]   Downloaded winnow v0.6.5
[INFO] [stderr]   Downloaded indexmap v2.2.6
[INFO] [stderr]   Downloaded serde_derive v1.0.197
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0495bd0772f6d13c9f31ee8f343ba9515f5aa8aede97048dc788e65bc2af8c8b
[INFO] running `Command { std: "docker" "start" "-a" "0495bd0772f6d13c9f31ee8f343ba9515f5aa8aede97048dc788e65bc2af8c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0495bd0772f6d13c9f31ee8f343ba9515f5aa8aede97048dc788e65bc2af8c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0495bd0772f6d13c9f31ee8f343ba9515f5aa8aede97048dc788e65bc2af8c8b", kill_on_drop: false }`
[INFO] [stdout] 0495bd0772f6d13c9f31ee8f343ba9515f5aa8aede97048dc788e65bc2af8c8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97ea9543fbc11e466451fc24ccb32e57b2cd8d8121005fbbc1cacc6f9fbd48a9
[INFO] running `Command { std: "docker" "start" "-a" "97ea9543fbc11e466451fc24ccb32e57b2cd8d8121005fbbc1cacc6f9fbd48a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]     Checking shellexpand v3.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking toml_edit v0.22.9
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stderr]     Checking vipera v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.97s
[INFO] running `Command { std: "docker" "inspect" "97ea9543fbc11e466451fc24ccb32e57b2cd8d8121005fbbc1cacc6f9fbd48a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ea9543fbc11e466451fc24ccb32e57b2cd8d8121005fbbc1cacc6f9fbd48a9", kill_on_drop: false }`
[INFO] [stdout] 97ea9543fbc11e466451fc24ccb32e57b2cd8d8121005fbbc1cacc6f9fbd48a9