[INFO] fetching crate ticklock 0.0.8...
[INFO] building ticklock-0.0.8 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate ticklock 0.0.8 into /workspace/builds/worker-1-tc1/source
[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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ticklock 0.0.8 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding cast v0.2.7 (available: v0.3.0)
[INFO] [stderr]       Adding nb v0.1.3 (available: v1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver v1.0.27
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded nb v1.1.0
[INFO] [stderr]   Downloaded cast v0.2.7
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1898e4d59c2a8cbd8372e30513390d8ffb377f57bb0f347500ebc59d78ad4de
[INFO] running `Command { std: "docker" "start" "-a" "e1898e4d59c2a8cbd8372e30513390d8ffb377f57bb0f347500ebc59d78ad4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1898e4d59c2a8cbd8372e30513390d8ffb377f57bb0f347500ebc59d78ad4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1898e4d59c2a8cbd8372e30513390d8ffb377f57bb0f347500ebc59d78ad4de", kill_on_drop: false }`
[INFO] [stdout] e1898e4d59c2a8cbd8372e30513390d8ffb377f57bb0f347500ebc59d78ad4de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afea2686ef51c19ef4da08bda0f75af0a4c38448369ff5cd7ba65a520ef9c584
[INFO] running `Command { std: "docker" "start" "-a" "afea2686ef51c19ef4da08bda0f75af0a4c38448369ff5cd7ba65a520ef9c584", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling ticklock v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "afea2686ef51c19ef4da08bda0f75af0a4c38448369ff5cd7ba65a520ef9c584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afea2686ef51c19ef4da08bda0f75af0a4c38448369ff5cd7ba65a520ef9c584", kill_on_drop: false }`
[INFO] [stdout] afea2686ef51c19ef4da08bda0f75af0a4c38448369ff5cd7ba65a520ef9c584
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a396b9a6da3521a9fa79beb15c573976dd11829241e71d03c6543b4d1fa60c0
[INFO] running `Command { std: "docker" "start" "-a" "8a396b9a6da3521a9fa79beb15c573976dd11829241e71d03c6543b4d1fa60c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 the trait `Ord`
[INFO] [stdout]    --> /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/cmp.rs:1086:5
[INFO] [stdout] note: candidate #2 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] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 258 -         assert_eq!(2.clamp(1, 3), 2);
[INFO] [stdout] 258 +         assert_eq!(Ord::clamp(2, 1, 3), 2);
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 258 -         assert_eq!(2.clamp(1, 3), 2);
[INFO] [stdout] 258 +         assert_eq!(U32Ext::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 the trait `Ord`
[INFO] [stdout]    --> /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/cmp.rs:1086:5
[INFO] [stdout] note: candidate #2 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] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 259 -         assert_eq!(20.clamp(1, 3), 3);
[INFO] [stdout] 259 +         assert_eq!(Ord::clamp(20, 1, 3), 3);
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 259 -         assert_eq!(20.clamp(1, 3), 3);
[INFO] [stdout] 259 +         assert_eq!(U32Ext::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 the trait `Ord`
[INFO] [stdout]    --> /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/cmp.rs:1086:5
[INFO] [stdout] note: candidate #2 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] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 260 -         assert_eq!(0.clamp(1, 3), 1);
[INFO] [stdout] 260 +         assert_eq!(Ord::clamp(0, 1, 3), 1);
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 260 -         assert_eq!(0.clamp(1, 3), 1);
[INFO] [stdout] 260 +         assert_eq!(U32Ext::clamp(0, 1, 3), 1);
[INFO] [stdout]     |
[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` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "8a396b9a6da3521a9fa79beb15c573976dd11829241e71d03c6543b4d1fa60c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a396b9a6da3521a9fa79beb15c573976dd11829241e71d03c6543b4d1fa60c0", kill_on_drop: false }`
[INFO] [stdout] 8a396b9a6da3521a9fa79beb15c573976dd11829241e71d03c6543b4d1fa60c0