[INFO] cloning repository https://github.com/AuroransSolis/fractions_and_matrices [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AuroransSolis/fractions_and_matrices" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAuroransSolis%2Ffractions_and_matrices", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAuroransSolis%2Ffractions_and_matrices'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1c9dc186e532e4fe050bd19d9dfdadb6e3931d69 [INFO] checking AuroransSolis/fractions_and_matrices against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAuroransSolis%2Ffractions_and_matrices" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AuroransSolis/fractions_and_matrices on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AuroransSolis/fractions_and_matrices [INFO] finished tweaking git repo https://github.com/AuroransSolis/fractions_and_matrices [INFO] tweaked toml for git repo https://github.com/AuroransSolis/fractions_and_matrices written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/AuroransSolis/fractions_and_matrices already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-bigint v0.2.0 [INFO] [stderr] Downloaded num-complex v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6e15e10fd1c4349bb6afa8d2e70664ecb7bcf100189003326216d5072b854600 [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" "6e15e10fd1c4349bb6afa8d2e70664ecb7bcf100189003326216d5072b854600", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6e15e10fd1c4349bb6afa8d2e70664ecb7bcf100189003326216d5072b854600", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e15e10fd1c4349bb6afa8d2e70664ecb7bcf100189003326216d5072b854600", kill_on_drop: false }` [INFO] [stdout] 6e15e10fd1c4349bb6afa8d2e70664ecb7bcf100189003326216d5072b854600 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e4dae108a576ff591abe1bbb3971013c955377aeede01f04253607beb9a2942 [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" "1e4dae108a576ff591abe1bbb3971013c955377aeede01f04253607beb9a2942", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Compiling num-complex v0.2.0 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking num-integer v0.1.39 [INFO] [stderr] Checking num-iter v0.1.37 [INFO] [stderr] Checking num-rational v0.2.1 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking fractions_and_matrices v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/fractions/macros.rs:35:26 [INFO] [stdout] | [INFO] [stdout] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] ::: src/fractions/base.rs:48:1 [INFO] [stdout] | [INFO] [stdout] 48 | into_frac_float!{f32 f64} [INFO] [stdout] | ------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] = note: this warning originates in the macro `into_frac_float` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/fractions/macros.rs:35:37 [INFO] [stdout] | [INFO] [stdout] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] ::: src/fractions/base.rs:48:1 [INFO] [stdout] | [INFO] [stdout] 48 | into_frac_float!{f32 f64} [INFO] [stdout] | ------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `into_frac_float` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/fractions/macros.rs:35:26 [INFO] [stdout] | [INFO] [stdout] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] ::: src/fractions/base.rs:48:1 [INFO] [stdout] | [INFO] [stdout] 48 | into_frac_float!{f32 f64} [INFO] [stdout] | ------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `into_frac_float` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/fractions/macros.rs:35:26 [INFO] [stdout] | [INFO] [stdout] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] ::: src/fractions/base.rs:48:1 [INFO] [stdout] | [INFO] [stdout] 48 | into_frac_float!{f32 f64} [INFO] [stdout] | ------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] = note: this warning originates in the macro `into_frac_float` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/fractions/macros.rs:35:37 [INFO] [stdout] | [INFO] [stdout] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] ::: src/fractions/base.rs:48:1 [INFO] [stdout] | [INFO] [stdout] 48 | into_frac_float!{f32 f64} [INFO] [stdout] | ------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `into_frac_float` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/fractions/macros.rs:35:26 [INFO] [stdout] | [INFO] [stdout] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] ::: src/fractions/base.rs:48:1 [INFO] [stdout] | [INFO] [stdout] 48 | into_frac_float!{f32 f64} [INFO] [stdout] | ------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `into_frac_float` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stdout] --> src/matrices/transforms.rs:141:42 [INFO] [stdout] | [INFO] [stdout] 141 | self[(target, b)] += self[(tool, b)].clone(); [INFO] [stdout] | ---------------------^^^^------------------- [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow occurs here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | mutable borrow later used here [INFO] [stdout] ... [INFO] [stdout] 1028 | transforms_impl!{Matrix: Matrix, AugmentedMatrix: AugmentedMatrix} [INFO] [stdout] | ------------------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `transforms_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stdout] --> src/matrices/transforms.rs:149:42 [INFO] [stdout] | [INFO] [stdout] 149 | self[(target, b)] -= self[(tool, b)].clone(); [INFO] [stdout] | ---------------------^^^^------------------- [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow occurs here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | mutable borrow later used here [INFO] [stdout] ... [INFO] [stdout] 1028 | transforms_impl!{Matrix: Matrix, AugmentedMatrix: AugmentedMatrix} [INFO] [stdout] | ------------------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `transforms_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stdout] --> src/matrices/transforms.rs:141:42 [INFO] [stdout] | [INFO] [stdout] 141 | self[(target, b)] += self[(tool, b)].clone(); [INFO] [stdout] | ---------------------^^^^------------------- [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow occurs here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | mutable borrow later used here [INFO] [stdout] ... [INFO] [stdout] 1028 | transforms_impl!{Matrix: Matrix, AugmentedMatrix: AugmentedMatrix} [INFO] [stdout] | ------------------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `transforms_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stdout] --> src/matrices/transforms.rs:149:42 [INFO] [stdout] | [INFO] [stdout] 149 | self[(target, b)] -= self[(tool, b)].clone(); [INFO] [stdout] | ---------------------^^^^------------------- [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow occurs here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | mutable borrow later used here [INFO] [stdout] ... [INFO] [stdout] 1028 | transforms_impl!{Matrix: Matrix, AugmentedMatrix: AugmentedMatrix} [INFO] [stdout] | ------------------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `transforms_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: could not compile `fractions_and_matrices` [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] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "1e4dae108a576ff591abe1bbb3971013c955377aeede01f04253607beb9a2942", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e4dae108a576ff591abe1bbb3971013c955377aeede01f04253607beb9a2942", kill_on_drop: false }` [INFO] [stdout] 1e4dae108a576ff591abe1bbb3971013c955377aeede01f04253607beb9a2942