[INFO] cloning repository https://github.com/mitchpk/mathstools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mitchpk/mathstools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitchpk%2Fmathstools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitchpk%2Fmathstools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5444448de9eb98f06a6daab65e8d2d2a07b9afd
[INFO] building mitchpk/mathstools against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitchpk%2Fmathstools" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mitchpk/mathstools on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mitchpk/mathstools
[INFO] finished tweaking git repo https://github.com/mitchpk/mathstools
[INFO] tweaked toml for git repo https://github.com/mitchpk/mathstools written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mitchpk/mathstools already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.1.1
[INFO] [stderr]   Downloaded rug v1.12.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.5
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a389bcf0a2f6384e88cba00aa1558942a5762e6afa47e51f84fd0bbb46656c80
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a389bcf0a2f6384e88cba00aa1558942a5762e6afa47e51f84fd0bbb46656c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a389bcf0a2f6384e88cba00aa1558942a5762e6afa47e51f84fd0bbb46656c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a389bcf0a2f6384e88cba00aa1558942a5762e6afa47e51f84fd0bbb46656c80", kill_on_drop: false }`
[INFO] [stdout] a389bcf0a2f6384e88cba00aa1558942a5762e6afa47e51f84fd0bbb46656c80
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dad979e9b19ad3327d06df6330c7097cd92c895693cd5d96f5d6533585216404
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dad979e9b19ad3327d06df6330c7097cd92c895693cd5d96f5d6533585216404", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.5
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling az v1.1.1
[INFO] [stderr]    Compiling rug v1.12.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling mathstool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/num.rs:239:27
[INFO] [stdout]     |
[INFO] [stdout] 236 |     pub fn to_float(self) -> Result<Self, NumError> {
[INFO] [stdout]     |                              ---------------------- expected `Result<num::Num, NumError>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 239 |             Complex(c) => Num::from(c.ln()),
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           expected enum `Result`, found enum `num::Num`
[INFO] [stdout]     |                           help: try using a variant of the expected enum: `Ok(Num::from(c.ln()))`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Result<num::Num, NumError>`
[INFO] [stdout]                found enum `num::Num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `log10` found for struct `rug::Integer` in the current scope
[INFO] [stdout]    --> src/num.rs:252:61
[INFO] [stdout]     |
[INFO] [stdout] 252 |                 Integer(i2) => Ok(Num::from(c1.log10() / i2.log10())),
[INFO] [stdout]     |                                                             ^^^^^ method not found in `rug::Integer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `log10` found for struct `rug::Rational` in the current scope
[INFO] [stdout]    --> src/num.rs:253:62
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 Rational(r2) => Ok(Num::from(c1.log10() / r2.log10())),
[INFO] [stdout]     |                                                              ^^^^^ method not found in `rug::Rational`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `log10` found for struct `rug::Integer` in the current scope
[INFO] [stdout]    --> src/num.rs:265:46
[INFO] [stdout]     |
[INFO] [stdout] 265 |                 Float(d2) => Ok(Num::from(i1.log10() / d2)),
[INFO] [stdout]     |                                              ^^^^^ method not found in `rug::Integer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `log10` found for struct `rug::Integer` in the current scope
[INFO] [stdout]    --> src/num.rs:266:48
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 Integer(i2) => Ok(Num::from(i1.log10() / i2)),
[INFO] [stdout]     |                                                ^^^^^ method not found in `rug::Integer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `log10` found for struct `rug::Integer` in the current scope
[INFO] [stdout]    --> src/num.rs:267:49
[INFO] [stdout]     |
[INFO] [stdout] 267 |                 Rational(r2) => Ok(Num::from(i1.log10() / r2)),
[INFO] [stdout]     |                                                 ^^^^^ method not found in `rug::Integer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `log10` found for struct `rug::Rational` in the current scope
[INFO] [stdout]    --> src/num.rs:273:46
[INFO] [stdout]     |
[INFO] [stdout] 273 |                 Float(d2) => Ok(Num::from(r1.log10() / d2)),
[INFO] [stdout]     |                                              ^^^^^ method not found in `rug::Rational`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `log10` found for struct `rug::Rational` in the current scope
[INFO] [stdout]    --> src/num.rs:274:48
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 Integer(i2) => Ok(Num::from(r1.log10() / i2)),
[INFO] [stdout]     |                                                ^^^^^ method not found in `rug::Rational`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `log10` found for struct `rug::Rational` in the current scope
[INFO] [stdout]    --> src/num.rs:275:49
[INFO] [stdout]     |
[INFO] [stdout] 275 |                 Rational(r2) => Ok(Num::from(r1.log10() / r2)),
[INFO] [stdout]     |                                                 ^^^^^ method not found in `rug::Rational`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mathstool`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dad979e9b19ad3327d06df6330c7097cd92c895693cd5d96f5d6533585216404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dad979e9b19ad3327d06df6330c7097cd92c895693cd5d96f5d6533585216404", kill_on_drop: false }`
[INFO] [stdout] dad979e9b19ad3327d06df6330c7097cd92c895693cd5d96f5d6533585216404
