[INFO] fetching crate periodicsynth 0.1.2...
[INFO] checking periodicsynth-0.1.2 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate periodicsynth 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate periodicsynth 0.1.2 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate periodicsynth 0.1.2
[INFO] finished tweaking crates.io crate periodicsynth 0.1.2
[INFO] tweaked toml for crates.io crate periodicsynth 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3640f966d2c051c09a9fdc78ec2160baf71141058f146065e8bf11030718f88
[INFO] running `"docker" "start" "-a" "e3640f966d2c051c09a9fdc78ec2160baf71141058f146065e8bf11030718f88"`
[INFO] [stderr]     Checking periodicsynth v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning[E0170]: pattern binding `Sine` is named the same as one of the variants of the type `PerodicFunction`
[INFO] [stderr]   --> src/lib.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Sine => {
[INFO] [stderr]    |         ^^^^ help: to match on the variant, qualify the path: `PerodicFunction::Sine`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Square` is named the same as one of the variants of the type `PerodicFunction`
[INFO] [stderr]   --> src/lib.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         Square => {
[INFO] [stderr]    |         ^^^^^^ help: to match on the variant, qualify the path: `PerodicFunction::Square`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Triangle` is named the same as one of the variants of the type `PerodicFunction`
[INFO] [stderr]   --> src/lib.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         Triangle => {
[INFO] [stderr]    |         ^^^^^^^^ help: to match on the variant, qualify the path: `PerodicFunction::Triangle`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Sawtooth` is named the same as one of the variants of the type `PerodicFunction`
[INFO] [stderr]   --> src/lib.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Sawtooth => {
[INFO] [stderr]    |         ^^^^^^^^ help: to match on the variant, qualify the path: `PerodicFunction::Sawtooth`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Null` is named the same as one of the variants of the type `PerodicFunction`
[INFO] [stderr]   --> src/lib.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         Null => {
[INFO] [stderr]    |         ^^^^ help: to match on the variant, qualify the path: `PerodicFunction::Null`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Sine => {
[INFO] [stderr]    |         ---- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 41 |         Square => {
[INFO] [stderr]    |         ^^^^^^ unreachable pattern
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Sine => {
[INFO] [stderr]    |         ---- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 47 |         Triangle => {
[INFO] [stderr]    |         ^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Sine => {
[INFO] [stderr]    |         ---- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 53 |         Sawtooth => {
[INFO] [stderr]    |         ^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Sine => {
[INFO] [stderr]    |         ---- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 59 |         Null => {
[INFO] [stderr]    |         ^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Sine`
[INFO] [stderr]   --> src/lib.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Sine => {
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_Sine`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Square`
[INFO] [stderr]   --> src/lib.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         Square => {
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_Square`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Triangle`
[INFO] [stderr]   --> src/lib.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         Triangle => {
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Triangle`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Sawtooth`
[INFO] [stderr]   --> src/lib.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Sawtooth => {
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Sawtooth`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Null`
[INFO] [stderr]   --> src/lib.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         Null => {
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_Null`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Sine` is named the same as one of the variants of the type `PerodicFunction`
[INFO] [stderr]   --> src/lib.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Sine => {
[INFO] [stderr]    |         ^^^^ help: to match on the variant, qualify the path: `PerodicFunction::Sine`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Square` is named the same as one of the variants of the type `PerodicFunction`
[INFO] [stderr]   --> src/lib.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         Square => {
[INFO] [stderr]    |         ^^^^^^ help: to match on the variant, qualify the path: `PerodicFunction::Square`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Triangle` is named the same as one of the variants of the type `PerodicFunction`
[INFO] [stderr]   --> src/lib.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         Triangle => {
[INFO] [stderr]    |         ^^^^^^^^ help: to match on the variant, qualify the path: `PerodicFunction::Triangle`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Sawtooth` is named the same as one of the variants of the type `PerodicFunction`
[INFO] [stderr]   --> src/lib.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Sawtooth => {
[INFO] [stderr]    |         ^^^^^^^^ help: to match on the variant, qualify the path: `PerodicFunction::Sawtooth`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Null` is named the same as one of the variants of the type `PerodicFunction`
[INFO] [stderr]   --> src/lib.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         Null => {
[INFO] [stderr]    |         ^^^^ help: to match on the variant, qualify the path: `PerodicFunction::Null`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Sine => {
[INFO] [stderr]    |         ---- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 41 |         Square => {
[INFO] [stderr]    |         ^^^^^^ unreachable pattern
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Sine => {
[INFO] [stderr]    |         ---- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 47 |         Triangle => {
[INFO] [stderr]    |         ^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Sine => {
[INFO] [stderr]    |         ---- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 53 |         Sawtooth => {
[INFO] [stderr]    |         ^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Sine => {
[INFO] [stderr]    |         ---- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 59 |         Null => {
[INFO] [stderr]    |         ^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Sine`
[INFO] [stderr]   --> src/lib.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Sine => {
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_Sine`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Sine` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Sine => {
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case (notice the capitalization): `sine`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Square` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         Square => {
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `square`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Triangle` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         Triangle => {
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case: `triangle`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Sawtooth` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Sawtooth => {
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sawtooth`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Null` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         Null => {
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `null`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Square`
[INFO] [stderr]   --> src/lib.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         Square => {
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_Square`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Triangle`
[INFO] [stderr]   --> src/lib.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         Triangle => {
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Triangle`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Sawtooth`
[INFO] [stderr]   --> src/lib.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Sawtooth => {
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Sawtooth`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Null`
[INFO] [stderr]   --> src/lib.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         Null => {
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_Null`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Sine` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Sine => {
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case (notice the capitalization): `sine`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Square` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         Square => {
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `square`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Triangle` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         Triangle => {
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case: `triangle`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Sawtooth` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Sawtooth => {
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sawtooth`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Null` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         Null => {
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `null`
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0170`.
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0170`.
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `"docker" "inspect" "e3640f966d2c051c09a9fdc78ec2160baf71141058f146065e8bf11030718f88"`
[INFO] running `"docker" "rm" "-f" "e3640f966d2c051c09a9fdc78ec2160baf71141058f146065e8bf11030718f88"`
[INFO] [stdout] e3640f966d2c051c09a9fdc78ec2160baf71141058f146065e8bf11030718f88