[INFO] fetching crate numdiff 0.2.0...
[INFO] checking numdiff-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate numdiff 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate numdiff 0.2.0
[INFO] finished tweaking crates.io crate numdiff 0.2.0
[INFO] tweaked toml for crates.io crate numdiff 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate numdiff 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate numdiff 0.2.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trig v0.2.0
[INFO] [stderr]   Downloaded linalg-traits v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 769c5c11e653b3c831e03058a111a79c8940b1fd8e018c91a61865d36458bb4e
[INFO] running `Command { std: "docker" "start" "-a" "769c5c11e653b3c831e03058a111a79c8940b1fd8e018c91a61865d36458bb4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "769c5c11e653b3c831e03058a111a79c8940b1fd8e018c91a61865d36458bb4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769c5c11e653b3c831e03058a111a79c8940b1fd8e018c91a61865d36458bb4e", kill_on_drop: false }`
[INFO] [stdout] 769c5c11e653b3c831e03058a111a79c8940b1fd8e018c91a61865d36458bb4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0aff6d5bdfa6582869952cc13929798b60689bb658332ef1f2241b0d37fb556c
[INFO] running `Command { std: "docker" "start" "-a" "0aff6d5bdfa6582869952cc13929798b60689bb658332ef1f2241b0d37fb556c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling unicode-ident v1.0.18
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[INFO] [stdout] warning: function `acsc_deriv` is never used
[INFO] [stdout]   --> src/test_utils.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub(crate) fn acsc_deriv(x: f64) -> f64 {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `asec_deriv` is never used
[INFO] [stdout]   --> src/test_utils.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub(crate) fn asec_deriv(x: f64) -> f64 {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `acot_deriv` is never used
[INFO] [stdout]    --> src/test_utils.rs:100:15
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub(crate) fn acot_deriv(x: f64) -> f64 {
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `acsch_deriv` is never used
[INFO] [stdout]    --> src/test_utils.rs:154:15
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub(crate) fn acsch_deriv(x: f64) -> f64 {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `asech_deriv` is never used
[INFO] [stdout]    --> src/test_utils.rs:159:15
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub(crate) fn asech_deriv(x: f64) -> f64 {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `acoth_deriv` is never used
[INFO] [stdout]    --> src/test_utils.rs:164:15
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub(crate) fn acoth_deriv(x: f64) -> f64 {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "0aff6d5bdfa6582869952cc13929798b60689bb658332ef1f2241b0d37fb556c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aff6d5bdfa6582869952cc13929798b60689bb658332ef1f2241b0d37fb556c", kill_on_drop: false }`
[INFO] [stdout] 0aff6d5bdfa6582869952cc13929798b60689bb658332ef1f2241b0d37fb556c