[INFO] fetching crate cgo_oligami 0.3.6...
[INFO] building cgo_oligami-0.3.6 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate cgo_oligami 0.3.6 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cgo_oligami 0.3.6 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4301cf61bb69e2156d1b2274288a0a8f80186e90f1414de83a2dbf4b4b4dc293
[INFO] running `Command { std: "docker" "start" "-a" "4301cf61bb69e2156d1b2274288a0a8f80186e90f1414de83a2dbf4b4b4dc293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4301cf61bb69e2156d1b2274288a0a8f80186e90f1414de83a2dbf4b4b4dc293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4301cf61bb69e2156d1b2274288a0a8f80186e90f1414de83a2dbf4b4b4dc293", kill_on_drop: false }`
[INFO] [stdout] 4301cf61bb69e2156d1b2274288a0a8f80186e90f1414de83a2dbf4b4b4dc293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fb45172cfdac88eb1e0643c0d4eec328ce93c063a7a5d4093cec9daf7137da0
[INFO] running `Command { std: "docker" "start" "-a" "8fb45172cfdac88eb1e0643c0d4eec328ce93c063a7a5d4093cec9daf7137da0", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling cc v1.2.6
[INFO] [stderr]    Compiling 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: 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 0.80s
[INFO] running `Command { std: "docker" "inspect" "8fb45172cfdac88eb1e0643c0d4eec328ce93c063a7a5d4093cec9daf7137da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb45172cfdac88eb1e0643c0d4eec328ce93c063a7a5d4093cec9daf7137da0", kill_on_drop: false }`
[INFO] [stdout] 8fb45172cfdac88eb1e0643c0d4eec328ce93c063a7a5d4093cec9daf7137da0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fd120587e5327f3d33a0a184eb76aede7b550ef0a06a2f4eec0f6e82994c17a
[INFO] running `Command { std: "docker" "start" "-a" "2fd120587e5327f3d33a0a184eb76aede7b550ef0a06a2f4eec0f6e82994c17a", kill_on_drop: false }`
[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] [stderr]    Compiling 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: 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 `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "2fd120587e5327f3d33a0a184eb76aede7b550ef0a06a2f4eec0f6e82994c17a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd120587e5327f3d33a0a184eb76aede7b550ef0a06a2f4eec0f6e82994c17a", kill_on_drop: false }`
[INFO] [stdout] 2fd120587e5327f3d33a0a184eb76aede7b550ef0a06a2f4eec0f6e82994c17a