[INFO] fetching crate err_prop 0.0.2...
[INFO] testing err_prop-0.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate err_prop 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate err_prop 0.0.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate err_prop 0.0.2
[INFO] finished tweaking crates.io crate err_prop 0.0.2
[INFO] tweaked toml for crates.io crate err_prop 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cgmath v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1172e59c99440060003c74d84e20971e2ebcec5cdbec115e7a244f3dbf9c7078
[INFO] running `Command { std: "docker" "start" "-a" "1172e59c99440060003c74d84e20971e2ebcec5cdbec115e7a244f3dbf9c7078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1172e59c99440060003c74d84e20971e2ebcec5cdbec115e7a244f3dbf9c7078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1172e59c99440060003c74d84e20971e2ebcec5cdbec115e7a244f3dbf9c7078", kill_on_drop: false }`
[INFO] [stdout] 1172e59c99440060003c74d84e20971e2ebcec5cdbec115e7a244f3dbf9c7078
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 052250e6bee7dc9437a416f5cae69a4491ce10c0bad01a97f46a627252718a48
[INFO] running `Command { std: "docker" "start" "-a" "052250e6bee7dc9437a416f5cae69a4491ce10c0bad01a97f46a627252718a48", kill_on_drop: false }`
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling cgmath v0.12.0
[INFO] [stderr]    Compiling err_prop v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/lib.rs:133:18
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn rem(self, rhs: Self) -> Self::Output {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/lib.rs:265:16
[INFO] [stdout]     |
[INFO] [stdout] 265 |     fn from<T>(t: T) -> Option<Self> {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]    --> src/lib.rs:273:23
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseFloatError> {
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `radix`
[INFO] [stdout]    --> src/lib.rs:273:34
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseFloatError> {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_radix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:298:27
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn relative_eq(&self, other: &Self, epsilon: Self::Epsilon, max_relative: Self::Epsilon) -> bool {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epsilon`
[INFO] [stdout]    --> src/lib.rs:298:41
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn relative_eq(&self, other: &Self, epsilon: Self::Epsilon, max_relative: Self::Epsilon) -> bool {
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_relative`
[INFO] [stdout]    --> src/lib.rs:298:65
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn relative_eq(&self, other: &Self, epsilon: Self::Epsilon, max_relative: Self::Epsilon) -> bool {
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_relative`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:303:23
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn ulps_eq(&self, other: &Self, epsilon: Self::Epsilon, max_ulps: u32) -> bool {
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epsilon`
[INFO] [stdout]    --> src/lib.rs:303:37
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn ulps_eq(&self, other: &Self, epsilon: Self::Epsilon, max_ulps: u32) -> bool {
[INFO] [stdout]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_ulps`
[INFO] [stdout]    --> src/lib.rs:303:61
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn ulps_eq(&self, other: &Self, epsilon: Self::Epsilon, max_ulps: u32) -> bool {
[INFO] [stdout]     |                                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_ulps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:423:22
[INFO] [stdout]     |
[INFO] [stdout] 423 |     fn mul_add(self, a: Self, b: Self) -> Self {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/lib.rs:423:31
[INFO] [stdout]     |
[INFO] [stdout] 423 |     fn mul_add(self, a: Self, b: Self) -> Self {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:433:19
[INFO] [stdout]     |
[INFO] [stdout] 433 |     fn powi(self, n: i32) -> Self {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:438:19
[INFO] [stdout]     |
[INFO] [stdout] 438 |     fn powf(self, n: Self) -> Self {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> src/lib.rs:463:18
[INFO] [stdout]     |
[INFO] [stdout] 463 |     fn log(self, base: Self) -> Self {
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:478:18
[INFO] [stdout]     |
[INFO] [stdout] 478 |     fn max(self, other: Self) -> Self {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:483:18
[INFO] [stdout]     |
[INFO] [stdout] 483 |     fn min(self, other: Self) -> Self {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:488:22
[INFO] [stdout]     |
[INFO] [stdout] 488 |     fn abs_sub(self, other: Self) -> Self {
[INFO] [stdout]     |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:498:20
[INFO] [stdout]     |
[INFO] [stdout] 498 |     fn hypot(self, other: Self) -> Self {
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:533:20
[INFO] [stdout]     |
[INFO] [stdout] 533 |     fn atan2(self, other: Self) -> Self {
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "052250e6bee7dc9437a416f5cae69a4491ce10c0bad01a97f46a627252718a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052250e6bee7dc9437a416f5cae69a4491ce10c0bad01a97f46a627252718a48", kill_on_drop: false }`
[INFO] [stdout] 052250e6bee7dc9437a416f5cae69a4491ce10c0bad01a97f46a627252718a48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd19d23f40f2dfcfeac6887159bf6481a305e2ed398cea40337dac0bae94edf3
[INFO] running `Command { std: "docker" "start" "-a" "dd19d23f40f2dfcfeac6887159bf6481a305e2ed398cea40337dac0bae94edf3", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/lib.rs:133:18
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn rem(self, rhs: Self) -> Self::Output {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/lib.rs:265:16
[INFO] [stdout]     |
[INFO] [stdout] 265 |     fn from<T>(t: T) -> Option<Self> {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling err_prop v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]    --> src/lib.rs:273:23
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseFloatError> {
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `radix`
[INFO] [stdout]    --> src/lib.rs:273:34
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseFloatError> {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_radix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:298:27
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn relative_eq(&self, other: &Self, epsilon: Self::Epsilon, max_relative: Self::Epsilon) -> bool {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epsilon`
[INFO] [stdout]    --> src/lib.rs:298:41
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn relative_eq(&self, other: &Self, epsilon: Self::Epsilon, max_relative: Self::Epsilon) -> bool {
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_relative`
[INFO] [stdout]    --> src/lib.rs:298:65
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn relative_eq(&self, other: &Self, epsilon: Self::Epsilon, max_relative: Self::Epsilon) -> bool {
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_relative`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:303:23
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn ulps_eq(&self, other: &Self, epsilon: Self::Epsilon, max_ulps: u32) -> bool {
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epsilon`
[INFO] [stdout]    --> src/lib.rs:303:37
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn ulps_eq(&self, other: &Self, epsilon: Self::Epsilon, max_ulps: u32) -> bool {
[INFO] [stdout]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_ulps`
[INFO] [stdout]    --> src/lib.rs:303:61
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn ulps_eq(&self, other: &Self, epsilon: Self::Epsilon, max_ulps: u32) -> bool {
[INFO] [stdout]     |                                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_ulps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:423:22
[INFO] [stdout]     |
[INFO] [stdout] 423 |     fn mul_add(self, a: Self, b: Self) -> Self {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/lib.rs:423:31
[INFO] [stdout]     |
[INFO] [stdout] 423 |     fn mul_add(self, a: Self, b: Self) -> Self {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:433:19
[INFO] [stdout]     |
[INFO] [stdout] 433 |     fn powi(self, n: i32) -> Self {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:438:19
[INFO] [stdout]     |
[INFO] [stdout] 438 |     fn powf(self, n: Self) -> Self {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> src/lib.rs:463:18
[INFO] [stdout]     |
[INFO] [stdout] 463 |     fn log(self, base: Self) -> Self {
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:478:18
[INFO] [stdout]     |
[INFO] [stdout] 478 |     fn max(self, other: Self) -> Self {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:483:18
[INFO] [stdout]     |
[INFO] [stdout] 483 |     fn min(self, other: Self) -> Self {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:488:22
[INFO] [stdout]     |
[INFO] [stdout] 488 |     fn abs_sub(self, other: Self) -> Self {
[INFO] [stdout]     |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:498:20
[INFO] [stdout]     |
[INFO] [stdout] 498 |     fn hypot(self, other: Self) -> Self {
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:533:20
[INFO] [stdout]     |
[INFO] [stdout] 533 |     fn atan2(self, other: Self) -> Self {
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/lib.rs:133:18
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn rem(self, rhs: Self) -> Self::Output {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/lib.rs:265:16
[INFO] [stdout]     |
[INFO] [stdout] 265 |     fn from<T>(t: T) -> Option<Self> {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]    --> src/lib.rs:273:23
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseFloatError> {
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `radix`
[INFO] [stdout]    --> src/lib.rs:273:34
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseFloatError> {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_radix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:298:27
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn relative_eq(&self, other: &Self, epsilon: Self::Epsilon, max_relative: Self::Epsilon) -> bool {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epsilon`
[INFO] [stdout]    --> src/lib.rs:298:41
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn relative_eq(&self, other: &Self, epsilon: Self::Epsilon, max_relative: Self::Epsilon) -> bool {
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_relative`
[INFO] [stdout]    --> src/lib.rs:298:65
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn relative_eq(&self, other: &Self, epsilon: Self::Epsilon, max_relative: Self::Epsilon) -> bool {
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_relative`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:303:23
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn ulps_eq(&self, other: &Self, epsilon: Self::Epsilon, max_ulps: u32) -> bool {
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epsilon`
[INFO] [stdout]    --> src/lib.rs:303:37
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn ulps_eq(&self, other: &Self, epsilon: Self::Epsilon, max_ulps: u32) -> bool {
[INFO] [stdout]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_ulps`
[INFO] [stdout]    --> src/lib.rs:303:61
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn ulps_eq(&self, other: &Self, epsilon: Self::Epsilon, max_ulps: u32) -> bool {
[INFO] [stdout]     |                                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_ulps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:423:22
[INFO] [stdout]     |
[INFO] [stdout] 423 |     fn mul_add(self, a: Self, b: Self) -> Self {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/lib.rs:423:31
[INFO] [stdout]     |
[INFO] [stdout] 423 |     fn mul_add(self, a: Self, b: Self) -> Self {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:433:19
[INFO] [stdout]     |
[INFO] [stdout] 433 |     fn powi(self, n: i32) -> Self {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:438:19
[INFO] [stdout]     |
[INFO] [stdout] 438 |     fn powf(self, n: Self) -> Self {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> src/lib.rs:463:18
[INFO] [stdout]     |
[INFO] [stdout] 463 |     fn log(self, base: Self) -> Self {
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:478:18
[INFO] [stdout]     |
[INFO] [stdout] 478 |     fn max(self, other: Self) -> Self {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:483:18
[INFO] [stdout]     |
[INFO] [stdout] 483 |     fn min(self, other: Self) -> Self {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:488:22
[INFO] [stdout]     |
[INFO] [stdout] 488 |     fn abs_sub(self, other: Self) -> Self {
[INFO] [stdout]     |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:498:20
[INFO] [stdout]     |
[INFO] [stdout] 498 |     fn hypot(self, other: Self) -> Self {
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:533:20
[INFO] [stdout]     |
[INFO] [stdout] 533 |     fn atan2(self, other: Self) -> Self {
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `det`
[INFO] [stdout]    --> src/lib.rs:656:13
[INFO] [stdout]     |
[INFO] [stdout] 656 |         let det = ::cgmath::Matrix2::new(a.x, a.y,
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_det`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "dd19d23f40f2dfcfeac6887159bf6481a305e2ed398cea40337dac0bae94edf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd19d23f40f2dfcfeac6887159bf6481a305e2ed398cea40337dac0bae94edf3", kill_on_drop: false }`
[INFO] [stdout] dd19d23f40f2dfcfeac6887159bf6481a305e2ed398cea40337dac0bae94edf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e35e085b78652178f85d911e2457a335102a86b01c157cebcb994b2b34acb9e1
[INFO] running `Command { std: "docker" "start" "-a" "e35e085b78652178f85d911e2457a335102a86b01c157cebcb994b2b34acb9e1", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/lib.rs:133:18
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn rem(self, rhs: Self) -> Self::Output {
[INFO] [stderr]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/lib.rs:265:16
[INFO] [stderr]     |
[INFO] [stderr] 265 |     fn from<T>(t: T) -> Option<Self> {
[INFO] [stderr]     |                ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]    --> src/lib.rs:273:23
[INFO] [stderr]     |
[INFO] [stderr] 273 |     fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseFloatError> {
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `radix`
[INFO] [stderr]    --> src/lib.rs:273:34
[INFO] [stderr]     |
[INFO] [stderr] 273 |     fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseFloatError> {
[INFO] [stderr]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_radix`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lib.rs:298:27
[INFO] [stderr]     |
[INFO] [stderr] 298 |     fn relative_eq(&self, other: &Self, epsilon: Self::Epsilon, max_relative: Self::Epsilon) -> bool {
[INFO] [stderr]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `epsilon`
[INFO] [stderr]    --> src/lib.rs:298:41
[INFO] [stderr]     |
[INFO] [stderr] 298 |     fn relative_eq(&self, other: &Self, epsilon: Self::Epsilon, max_relative: Self::Epsilon) -> bool {
[INFO] [stderr]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max_relative`
[INFO] [stderr]    --> src/lib.rs:298:65
[INFO] [stderr]     |
[INFO] [stderr] 298 |     fn relative_eq(&self, other: &Self, epsilon: Self::Epsilon, max_relative: Self::Epsilon) -> bool {
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_relative`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lib.rs:303:23
[INFO] [stderr]     |
[INFO] [stderr] 303 |     fn ulps_eq(&self, other: &Self, epsilon: Self::Epsilon, max_ulps: u32) -> bool {
[INFO] [stderr]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `epsilon`
[INFO] [stderr]    --> src/lib.rs:303:37
[INFO] [stderr]     |
[INFO] [stderr] 303 |     fn ulps_eq(&self, other: &Self, epsilon: Self::Epsilon, max_ulps: u32) -> bool {
[INFO] [stderr]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max_ulps`
[INFO] [stderr]    --> src/lib.rs:303:61
[INFO] [stderr]     |
[INFO] [stderr] 303 |     fn ulps_eq(&self, other: &Self, epsilon: Self::Epsilon, max_ulps: u32) -> bool {
[INFO] [stderr]     |                                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_ulps`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/lib.rs:423:22
[INFO] [stderr]     |
[INFO] [stderr] 423 |     fn mul_add(self, a: Self, b: Self) -> Self {
[INFO] [stderr]     |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/lib.rs:423:31
[INFO] [stderr]     |
[INFO] [stderr] 423 |     fn mul_add(self, a: Self, b: Self) -> Self {
[INFO] [stderr]     |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/lib.rs:433:19
[INFO] [stderr]     |
[INFO] [stderr] 433 |     fn powi(self, n: i32) -> Self {
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/lib.rs:438:19
[INFO] [stderr]     |
[INFO] [stderr] 438 |     fn powf(self, n: Self) -> Self {
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `base`
[INFO] [stderr]    --> src/lib.rs:463:18
[INFO] [stderr]     |
[INFO] [stderr] 463 |     fn log(self, base: Self) -> Self {
[INFO] [stderr]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lib.rs:478:18
[INFO] [stderr]     |
[INFO] [stderr] 478 |     fn max(self, other: Self) -> Self {
[INFO] [stderr]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lib.rs:483:18
[INFO] [stderr]     |
[INFO] [stderr] 483 |     fn min(self, other: Self) -> Self {
[INFO] [stderr]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lib.rs:488:22
[INFO] [stderr]     |
[INFO] [stderr] 488 |     fn abs_sub(self, other: Self) -> Self {
[INFO] [stderr]     |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lib.rs:498:20
[INFO] [stderr]     |
[INFO] [stderr] 498 |     fn hypot(self, other: Self) -> Self {
[INFO] [stderr]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lib.rs:533:20
[INFO] [stderr]     |
[INFO] [stderr] 533 |     fn atan2(self, other: Self) -> Self {
[INFO] [stderr]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `det`
[INFO] [stderr]    --> src/lib.rs:656:13
[INFO] [stderr]     |
[INFO] [stderr] 656 |         let det = ::cgmath::Matrix2::new(a.x, a.y,
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_det`
[INFO] [stderr] 
[INFO] [stderr] warning: `err_prop` (lib) generated 20 warnings
[INFO] [stderr] warning: `err_prop` (lib test) generated 21 warnings (20 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/err_prop-628c536ffe59ef02)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::addition_error ... ok
[INFO] [stdout] test tests::can_use_cgmath_stuff ... ok
[INFO] [stdout] test tests::addition_then_multipl ... ok
[INFO] [stdout] test tests::multiplication_error ... ok
[INFO] [stdout] test tests::subtract_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests err_prop
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e35e085b78652178f85d911e2457a335102a86b01c157cebcb994b2b34acb9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35e085b78652178f85d911e2457a335102a86b01c157cebcb994b2b34acb9e1", kill_on_drop: false }`
[INFO] [stdout] e35e085b78652178f85d911e2457a335102a86b01c157cebcb994b2b34acb9e1