[INFO] fetching crate cgo_oligami 0.3.6...
[INFO] checking cgo_oligami-0.3.6 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate cgo_oligami 0.3.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate cgo_oligami 0.3.6
[INFO] finished tweaking crates.io crate cgo_oligami 0.3.6
[INFO] tweaked toml for crates.io crate cgo_oligami 0.3.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cgo_oligami 0.3.6 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 139195b60fba9d29645a9d5f3baf410190065f9fea679e77eff7a8bae4b6e531
[INFO] running `Command { std: "docker" "start" "-a" "139195b60fba9d29645a9d5f3baf410190065f9fea679e77eff7a8bae4b6e531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "139195b60fba9d29645a9d5f3baf410190065f9fea679e77eff7a8bae4b6e531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "139195b60fba9d29645a9d5f3baf410190065f9fea679e77eff7a8bae4b6e531", kill_on_drop: false }`
[INFO] [stdout] 139195b60fba9d29645a9d5f3baf410190065f9fea679e77eff7a8bae4b6e531
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7db8ca79ee168005451f8a551d6fe6a060ab90bf5811b670e2777659de4f1f2c
[INFO] running `Command { std: "docker" "start" "-a" "7db8ca79ee168005451f8a551d6fe6a060ab90bf5811b670e2777659de4f1f2c", kill_on_drop: false }`
[INFO] [stderr]     Checking shlex v1.3.0
[INFO] [stderr]     Checking cc v1.2.27
[INFO] [stderr]     Checking cgo_oligami v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut builder = Build {
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `goarch`
[INFO] [stdout]    --> src/lib.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let goarch = match &self.goarch {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_goarch`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `goos`
[INFO] [stdout]    --> src/lib.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let goos = match &self.goos {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_goos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut builder = Build {
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `goarch`
[INFO] [stdout]    --> src/lib.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let goarch = match &self.goarch {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_goarch`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `goos`
[INFO] [stdout]    --> src/lib.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let goos = match &self.goos {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_goos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_cxx` is never used
[INFO] [stdout]    --> src/lib.rs:420:4
[INFO] [stdout]     |
[INFO] [stdout] 420 | fn get_cxx() -> PathBuf {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_cxx` is never used
[INFO] [stdout]    --> src/lib.rs:420:4
[INFO] [stdout]     |
[INFO] [stdout] 420 | fn get_cxx() -> PathBuf {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "7db8ca79ee168005451f8a551d6fe6a060ab90bf5811b670e2777659de4f1f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db8ca79ee168005451f8a551d6fe6a060ab90bf5811b670e2777659de4f1f2c", kill_on_drop: false }`
[INFO] [stdout] 7db8ca79ee168005451f8a551d6fe6a060ab90bf5811b670e2777659de4f1f2c