[INFO] fetching crate spread 0.0.1...
[INFO] checking spread-0.0.1 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate spread 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate spread 0.0.1 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 spread 0.0.1
[INFO] finished tweaking crates.io crate spread 0.0.1
[INFO] tweaked toml for crates.io crate spread 0.0.1 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] be70aa24d7ef410bc4e82195469dd438e92b446e8d2cff49cbbd0d575feaa56c
[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" "be70aa24d7ef410bc4e82195469dd438e92b446e8d2cff49cbbd0d575feaa56c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be70aa24d7ef410bc4e82195469dd438e92b446e8d2cff49cbbd0d575feaa56c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be70aa24d7ef410bc4e82195469dd438e92b446e8d2cff49cbbd0d575feaa56c", kill_on_drop: false }`
[INFO] [stdout] be70aa24d7ef410bc4e82195469dd438e92b446e8d2cff49cbbd0d575feaa56c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a48a76cbdeb01d928489708e380f41cf7b7f1c79ff14a931ca43890519390517
[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" "a48a76cbdeb01d928489708e380f41cf7b7f1c79ff14a931ca43890519390517", kill_on_drop: false }`
[INFO] [stderr]     Checking spread v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]  --> src/util.rs:9:35
[INFO] [stdout]   |
[INFO] [stdout] 9 |     for p in range_step_inclusive(0u, 24, 8) {
[INFO] [stdout]   |                                   ^^ invalid suffix `u`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]  --> src/util.rs:9:35
[INFO] [stdout]   |
[INFO] [stdout] 9 |     for p in range_step_inclusive(0u, 24, 8) {
[INFO] [stdout]   |                                   ^^ invalid suffix `u`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `log`
[INFO] [stdout]  --> src/lib.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[phase(plugin, link)] extern crate log;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `log`
[INFO] [stdout]  --> src/lib.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[phase(plugin, link)] extern crate log;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spread`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a48a76cbdeb01d928489708e380f41cf7b7f1c79ff14a931ca43890519390517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a48a76cbdeb01d928489708e380f41cf7b7f1c79ff14a931ca43890519390517", kill_on_drop: false }`
[INFO] [stdout] a48a76cbdeb01d928489708e380f41cf7b7f1c79ff14a931ca43890519390517