[INFO] fetching crate frum 0.1.2...
[INFO] checking frum-0.1.2 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] extracting crate frum 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate frum 0.1.2
[INFO] finished tweaking crates.io crate frum 0.1.2
[INFO] tweaked toml for crates.io crate frum 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate frum 0.1.2 on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate frum 0.1.2 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e8a7877cacea522ce38a63884c54e504192e0e524531988425a2873e6df04774
[INFO] running `Command { std: "docker" "start" "e8a7877cacea522ce38a63884c54e504192e0e524531988425a2873e6df04774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8a7877cacea522ce38a63884c54e504192e0e524531988425a2873e6df04774", 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" "e8a7877cacea522ce38a63884c54e504192e0e524531988425a2873e6df04774" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8a7877cacea522ce38a63884c54e504192e0e524531988425a2873e6df04774", 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" "e8a7877cacea522ce38a63884c54e504192e0e524531988425a2873e6df04774" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `windows_command::WindowsCommand`
[INFO] [stdout]   --> src/shell/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use windows_command::WindowsCommand;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `windows_command::WindowsCommand`
[INFO] [stdout]   --> src/shell/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use windows_command::WindowsCommand;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `url`, `sha1`, `sha256`, and `sha521` are never read
[INFO] [stdout]  --> src/remote_ruby_index.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct IndexedRubyVersion {
[INFO] [stdout]   |            ------------------ fields in this struct
[INFO] [stdout] 4 |     pub version: Version,
[INFO] [stdout] 5 |     pub url: String,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 6 |     pub sha1: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     pub sha256: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 8 |     pub sha521: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProcessInfo` is never constructed
[INFO] [stdout]  --> src/shell/infer/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct ProcessInfo {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WindowsCommand` is never constructed
[INFO] [stdout]  --> src/shell/windows_command/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct WindowsCommand;
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_cd_file_at` is never used
[INFO] [stdout]   --> src/shell/windows_command/mod.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn create_cd_file_at(path: &std::path::Path) -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `url`, `sha1`, `sha256`, and `sha521` are never read
[INFO] [stdout]  --> src/remote_ruby_index.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct IndexedRubyVersion {
[INFO] [stdout]   |            ------------------ fields in this struct
[INFO] [stdout] 4 |     pub version: Version,
[INFO] [stdout] 5 |     pub url: String,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 6 |     pub sha1: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     pub sha256: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 8 |     pub sha521: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProcessInfo` is never constructed
[INFO] [stdout]  --> src/shell/infer/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct ProcessInfo {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WindowsCommand` is never constructed
[INFO] [stdout]  --> src/shell/windows_command/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct WindowsCommand;
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_cd_file_at` is never used
[INFO] [stdout]   --> src/shell/windows_command/mod.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn create_cd_file_at(path: &std::path::Path) -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.35s
[INFO] running `Command { std: "docker" "inspect" "e8a7877cacea522ce38a63884c54e504192e0e524531988425a2873e6df04774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a7877cacea522ce38a63884c54e504192e0e524531988425a2873e6df04774", kill_on_drop: false }`
[INFO] [stdout] e8a7877cacea522ce38a63884c54e504192e0e524531988425a2873e6df04774
