[INFO] fetching crate ticklock 0.0.8...
[INFO] checking ticklock-0.0.8 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate ticklock 0.0.8 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ticklock 0.0.8 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2f1e8173fa169ba0b418f7cc7a154fe1efa8cf5b1ce99e9b276c0041a2bcf83
[INFO] running `Command { std: "docker" "start" "-a" "a2f1e8173fa169ba0b418f7cc7a154fe1efa8cf5b1ce99e9b276c0041a2bcf83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2f1e8173fa169ba0b418f7cc7a154fe1efa8cf5b1ce99e9b276c0041a2bcf83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f1e8173fa169ba0b418f7cc7a154fe1efa8cf5b1ce99e9b276c0041a2bcf83", kill_on_drop: false }`
[INFO] [stdout] a2f1e8173fa169ba0b418f7cc7a154fe1efa8cf5b1ce99e9b276c0041a2bcf83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2d21b0455fca32c94444575a05fff5fcce240bd76f650998b93b73f9894171a
[INFO] running `Command { std: "docker" "start" "-a" "d2d21b0455fca32c94444575a05fff5fcce240bd76f650998b93b73f9894171a", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling cast v0.2.7
[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 the trait `Ord`
[INFO] [stdout]    --> /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/core/src/cmp.rs:1077:5
[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/998b6603a58e47f42ccce7a67943234e96b6839e/library/core/src/cmp.rs:1077:5
[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/998b6603a58e47f42ccce7a67943234e96b6839e/library/core/src/cmp.rs:1077:5
[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" "d2d21b0455fca32c94444575a05fff5fcce240bd76f650998b93b73f9894171a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d21b0455fca32c94444575a05fff5fcce240bd76f650998b93b73f9894171a", kill_on_drop: false }`
[INFO] [stdout] d2d21b0455fca32c94444575a05fff5fcce240bd76f650998b93b73f9894171a