[INFO] fetching crate doctor-syn 0.1.0...
[INFO] checking doctor-syn-0.1.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate doctor-syn 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate doctor-syn 0.1.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate doctor-syn 0.1.0
[INFO] finished tweaking crates.io crate doctor-syn 0.1.0
[INFO] tweaked toml for crates.io crate doctor-syn 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate doctor-syn 0.1.0 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f1ab63cd5097d442e038b0f2544a2837c809a3179a0d8979829788ae05189de
[INFO] running `Command { std: "docker" "start" "-a" "0f1ab63cd5097d442e038b0f2544a2837c809a3179a0d8979829788ae05189de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f1ab63cd5097d442e038b0f2544a2837c809a3179a0d8979829788ae05189de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f1ab63cd5097d442e038b0f2544a2837c809a3179a0d8979829788ae05189de", kill_on_drop: false }`
[INFO] [stdout] 0f1ab63cd5097d442e038b0f2544a2837c809a3179a0d8979829788ae05189de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62c339c04a01dcdb75d01185a30dc1aaf7a59539e6a37d0bdf22937af862a1c3
[INFO] running `Command { std: "docker" "start" "-a" "62c339c04a01dcdb75d01185a30dc1aaf7a59539e6a37d0bdf22937af862a1c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking doctor-syn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `variable` is never read
[INFO] [stdout]   --> src/transformation/collect.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Collect {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 11 |     pub(crate) variable: Name,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Collect` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `variable` is never read
[INFO] [stdout]   --> src/transformation/collect.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Collect {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 11 |     pub(crate) variable: Name,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Collect` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sin` is never used
[INFO] [stdout]  --> src/bin/libmgen.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn sin(x: f32) -> f32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sin` is never used
[INFO] [stdout]  --> src/bin/libmgen.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn sin(x: f32) -> f32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cos` is never used
[INFO] [stdout]   --> src/bin/libmgen.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn cos(x: f32) -> f32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cos` is never used
[INFO] [stdout]   --> src/bin/libmgen.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn cos(x: f32) -> f32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exp` is never used
[INFO] [stdout]   --> src/bin/libmgen.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn exp(x: f32) -> f32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exp` is never used
[INFO] [stdout]   --> src/bin/libmgen.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn exp(x: f32) -> f32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ln` is never used
[INFO] [stdout]   --> src/bin/libmgen.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn ln(x: f32) -> f32 {
[INFO] [stdout]    |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ln` is never used
[INFO] [stdout]   --> src/bin/libmgen.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn ln(x: f32) -> f32 {
[INFO] [stdout]    |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_sin` is never used
[INFO] [stdout]    --> src/bin/libmgen.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn test_sin() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_sin` is never used
[INFO] [stdout]    --> src/bin/libmgen.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn test_sin() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_cos` is never used
[INFO] [stdout]    --> src/bin/libmgen.rs:155:4
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn test_cos() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_cos` is never used
[INFO] [stdout]    --> src/bin/libmgen.rs:155:4
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn test_cos() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_exp` is never used
[INFO] [stdout]    --> src/bin/libmgen.rs:169:4
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn test_exp() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_exp` is never used
[INFO] [stdout]    --> src/bin/libmgen.rs:169:4
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn test_exp() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_ln` is never used
[INFO] [stdout]    --> src/bin/libmgen.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn test_ln() {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_ln` is never used
[INFO] [stdout]    --> src/bin/libmgen.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn test_ln() {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "62c339c04a01dcdb75d01185a30dc1aaf7a59539e6a37d0bdf22937af862a1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c339c04a01dcdb75d01185a30dc1aaf7a59539e6a37d0bdf22937af862a1c3", kill_on_drop: false }`
[INFO] [stdout] 62c339c04a01dcdb75d01185a30dc1aaf7a59539e6a37d0bdf22937af862a1c3