[INFO] cloning repository https://github.com/cybermatt/fast-luhn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cybermatt/fast-luhn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcybermatt%2Ffast-luhn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcybermatt%2Ffast-luhn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3e0e61466d30166e95f4db15251c8e241c77ab29 [INFO] checking cybermatt/fast-luhn against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcybermatt%2Ffast-luhn" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cybermatt/fast-luhn on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cybermatt/fast-luhn [INFO] finished tweaking git repo https://github.com/cybermatt/fast-luhn [INFO] tweaked toml for git repo https://github.com/cybermatt/fast-luhn written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/cybermatt/fast-luhn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ctor v0.1.16 [INFO] [stderr] Downloaded pyo3cls v0.12.4 [INFO] [stderr] Downloaded pyo3-derive-backend v0.12.4 [INFO] [stderr] Downloaded unindent v0.1.7 [INFO] [stderr] Downloaded inventory-impl v0.1.10 [INFO] [stderr] Downloaded inventory v0.1.10 [INFO] [stderr] Downloaded pyo3 v0.12.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 058b60a84ea3eb9db0b30d104cefe290d4f06fb917a1921dfee794e669c3c475 [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" "058b60a84ea3eb9db0b30d104cefe290d4f06fb917a1921dfee794e669c3c475", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "058b60a84ea3eb9db0b30d104cefe290d4f06fb917a1921dfee794e669c3c475", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "058b60a84ea3eb9db0b30d104cefe290d4f06fb917a1921dfee794e669c3c475", kill_on_drop: false }` [INFO] [stdout] 058b60a84ea3eb9db0b30d104cefe290d4f06fb917a1921dfee794e669c3c475 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 207fa0ee15ef863fb990ea4e094f6a01547df247fb2b7c85ee6aa1f2775010d0 [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" "207fa0ee15ef863fb990ea4e094f6a01547df247fb2b7c85ee6aa1f2775010d0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling inventory v0.1.10 [INFO] [stderr] Compiling pyo3 v0.12.4 [INFO] [stderr] Checking unindent v0.1.7 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking parking_lot_core v0.8.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling pyo3-derive-backend v0.12.4 [INFO] [stderr] Compiling indoc-impl v0.3.6 [INFO] [stderr] Compiling ghost v0.1.2 [INFO] [stderr] Compiling ctor v0.1.16 [INFO] [stderr] Compiling inventory-impl v0.1.10 [INFO] [stderr] Compiling pyo3cls v0.12.4 [INFO] [stderr] Checking indoc v0.3.6 [INFO] [stderr] Checking fast_luhn v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.14s [INFO] running `Command { std: "docker" "inspect" "207fa0ee15ef863fb990ea4e094f6a01547df247fb2b7c85ee6aa1f2775010d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "207fa0ee15ef863fb990ea4e094f6a01547df247fb2b7c85ee6aa1f2775010d0", kill_on_drop: false }` [INFO] [stdout] 207fa0ee15ef863fb990ea4e094f6a01547df247fb2b7c85ee6aa1f2775010d0