[INFO] cloning repository https://github.com/uberblah/rust-simple-regression-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uberblah/rust-simple-regression-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuberblah%2Frust-simple-regression-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuberblah%2Frust-simple-regression-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2d6b864f0800c8894355f594fa5590400759193
[INFO] checking uberblah/rust-simple-regression-example against try#f82303294ca6add47eea966608ce02688928f965 for pr-107123-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuberblah%2Frust-simple-regression-example" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uberblah/rust-simple-regression-example on toolchain f82303294ca6add47eea966608ce02688928f965
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f82303294ca6add47eea966608ce02688928f965" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/uberblah/rust-simple-regression-example
[INFO] finished tweaking git repo https://github.com/uberblah/rust-simple-regression-example
[INFO] tweaked toml for git repo https://github.com/uberblah/rust-simple-regression-example written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/uberblah/rust-simple-regression-example 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" "+f82303294ca6add47eea966608ce02688928f965" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+f82303294ca6add47eea966608ce02688928f965" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ddf555d7740279241a53c63f13635e0692a8cad94b1eeacfa17ee510ad57e36
[INFO] running `Command { std: "docker" "start" "-a" "8ddf555d7740279241a53c63f13635e0692a8cad94b1eeacfa17ee510ad57e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ddf555d7740279241a53c63f13635e0692a8cad94b1eeacfa17ee510ad57e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ddf555d7740279241a53c63f13635e0692a8cad94b1eeacfa17ee510ad57e36", kill_on_drop: false }`
[INFO] [stdout] 8ddf555d7740279241a53c63f13635e0692a8cad94b1eeacfa17ee510ad57e36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+f82303294ca6add47eea966608ce02688928f965" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49388d3b7f1f9dc53f93a44913ab9cad1b0bfcb0282ee5425c94fa8000ca115a
[INFO] running `Command { std: "docker" "start" "-a" "49388d3b7f1f9dc53f93a44913ab9cad1b0bfcb0282ee5425c94fa8000ca115a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking rustreg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `Quad: Callable<(f64,)>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl FnOnce<(f64,)> for Quad {
[INFO] [stdout]    |                         ^^^^ the trait `Callable<(f64,)>` is not implemented for `Quad`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/f82303294ca6add47eea966608ce02688928f965/library/core/src/ops/function.rs:243:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Quad: Callable<(f64,)>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl FnMut<(f64,)> for Quad {
[INFO] [stdout]    |                        ^^^^ the trait `Callable<(f64,)>` is not implemented for `Quad`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Quad` to implement `FnOnce<(f64,)>`
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]   --> /rustc/f82303294ca6add47eea966608ce02688928f965/library/core/src/ops/function.rs:163:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Quad: Callable<(f64,)>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Fn<(f64,)> for Quad {
[INFO] [stdout]    |                     ^^^^ the trait `Callable<(f64,)>` is not implemented for `Quad`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Quad` to implement `FnOnce<(f64,)>`
[INFO] [stdout]    = note: required for `Quad` to implement `FnMut<(f64,)>`
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]   --> /rustc/f82303294ca6add47eea966608ce02688928f965/library/core/src/ops/function.rs:76:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustreg` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: the trait bound `Quad: Callable<(f64,)>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl FnOnce<(f64,)> for Quad {
[INFO] [stdout]    |                         ^^^^ the trait `Callable<(f64,)>` is not implemented for `Quad`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/f82303294ca6add47eea966608ce02688928f965/library/core/src/ops/function.rs:243:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Quad: Callable<(f64,)>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl FnMut<(f64,)> for Quad {
[INFO] [stdout]    |                        ^^^^ the trait `Callable<(f64,)>` is not implemented for `Quad`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Quad` to implement `FnOnce<(f64,)>`
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]   --> /rustc/f82303294ca6add47eea966608ce02688928f965/library/core/src/ops/function.rs:163:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Quad: Callable<(f64,)>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Fn<(f64,)> for Quad {
[INFO] [stdout]    |                     ^^^^ the trait `Callable<(f64,)>` is not implemented for `Quad`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Quad` to implement `FnOnce<(f64,)>`
[INFO] [stdout]    = note: required for `Quad` to implement `FnMut<(f64,)>`
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]   --> /rustc/f82303294ca6add47eea966608ce02688928f965/library/core/src/ops/function.rs:76:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustreg` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "49388d3b7f1f9dc53f93a44913ab9cad1b0bfcb0282ee5425c94fa8000ca115a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49388d3b7f1f9dc53f93a44913ab9cad1b0bfcb0282ee5425c94fa8000ca115a", kill_on_drop: false }`
[INFO] [stdout] 49388d3b7f1f9dc53f93a44913ab9cad1b0bfcb0282ee5425c94fa8000ca115a