[INFO] fetching crate ticklock 0.0.8...
[INFO] checking ticklock-0.0.8 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate ticklock 0.0.8 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ticklock 0.0.8 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ticklock 0.0.8
[INFO] finished tweaking crates.io crate ticklock 0.0.8
[INFO] tweaked toml for crates.io crate ticklock 0.0.8 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5ff9e5b64ea04d07f7c8f92c85ea820d1a341ae80813c5b6564806f9c72a60c
[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" "b5ff9e5b64ea04d07f7c8f92c85ea820d1a341ae80813c5b6564806f9c72a60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5ff9e5b64ea04d07f7c8f92c85ea820d1a341ae80813c5b6564806f9c72a60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ff9e5b64ea04d07f7c8f92c85ea820d1a341ae80813c5b6564806f9c72a60c", kill_on_drop: false }`
[INFO] [stdout] b5ff9e5b64ea04d07f7c8f92c85ea820d1a341ae80813c5b6564806f9c72a60c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c834501ceb75dfcf3b2c99f78ff42a9707d202fe8863a40ab6c69f5c9d24a2d5
[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" "c834501ceb75dfcf3b2c99f78ff42a9707d202fe8863a40ab6c69f5c9d24a2d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking ticklock v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/clock.rs:258:22
[INFO] [stdout]     |
[INFO] [stdout] 258 |         assert_eq!(2.clamp(1, 3), 2);
[INFO] [stdout]     |                      ^^^^^ multiple `clamp` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `U32Ext` for the type `u32`
[INFO] [stdout]    --> src/clock.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn clamp(self, min: u32, max: u32) -> u32 {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `Ord`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 258 |         assert_eq!(U32Ext::clamp(2, 1, 3), 2);
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 258 |         assert_eq!(Ord::clamp(2, 1, 3), 2);
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/clock.rs:259:23
[INFO] [stdout]     |
[INFO] [stdout] 259 |         assert_eq!(20.clamp(1, 3), 3);
[INFO] [stdout]     |                       ^^^^^ multiple `clamp` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `U32Ext` for the type `u32`
[INFO] [stdout]    --> src/clock.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn clamp(self, min: u32, max: u32) -> u32 {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `Ord`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 259 |         assert_eq!(U32Ext::clamp(20, 1, 3), 3);
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 259 |         assert_eq!(Ord::clamp(20, 1, 3), 3);
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/clock.rs:260:22
[INFO] [stdout]     |
[INFO] [stdout] 260 |         assert_eq!(0.clamp(1, 3), 1);
[INFO] [stdout]     |                      ^^^^^ multiple `clamp` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `U32Ext` for the type `u32`
[INFO] [stdout]    --> src/clock.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn clamp(self, min: u32, max: u32) -> u32 {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `Ord`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 260 |         assert_eq!(U32Ext::clamp(0, 1, 3), 1);
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 260 |         assert_eq!(Ord::clamp(0, 1, 3), 1);
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^
[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 E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ticklock`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c834501ceb75dfcf3b2c99f78ff42a9707d202fe8863a40ab6c69f5c9d24a2d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c834501ceb75dfcf3b2c99f78ff42a9707d202fe8863a40ab6c69f5c9d24a2d5", kill_on_drop: false }`
[INFO] [stdout] c834501ceb75dfcf3b2c99f78ff42a9707d202fe8863a40ab6c69f5c9d24a2d5