[INFO] updating cached repository https://github.com/nikomatsakis/skill-tree [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] [stderr] From https://github.com/nikomatsakis/skill-tree [INFO] [stderr] 1f7a133..7f070a6 master -> master [INFO] [stderr] * [new tag] v1.1.0 -> v1.1.0 [INFO] [stderr] * [new tag] v1.0.0 -> v1.0.0 [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7f070a62348a8a4848316bf16870be54b4dd0c5b [INFO] checking nikomatsakis/skill-tree against master#e2223c94bf433fc38234d1303e88cbaf14755863 for pr-69548 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikomatsakis%2Fskill-tree" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nikomatsakis/skill-tree on toolchain e2223c94bf433fc38234d1303e88cbaf14755863 [INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/nikomatsakis/skill-tree [INFO] finished tweaking git repo https://github.com/nikomatsakis/skill-tree [INFO] tweaked toml for git repo https://github.com/nikomatsakis/skill-tree written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/nikomatsakis/skill-tree already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 19393a7aeb849f067cefc74979a98fe6ffe3d0659fb878cef3d28e7474aef5f5 [INFO] running `"docker" "start" "-a" "19393a7aeb849f067cefc74979a98fe6ffe3d0659fb878cef3d28e7474aef5f5"` [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling syn v0.15.36 [INFO] [stderr] Checking svg v0.5.12 [INFO] [stderr] Checking rust-embed-utils v5.0.0 [INFO] [stderr] Checking toml v0.5.1 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling rustversion v1.0.2 [INFO] [stderr] Compiling fehler-macros v1.0.0-alpha.2 [INFO] [stderr] Compiling rust-embed-impl v5.2.0 [INFO] [stderr] Checking rust-embed v5.2.0 [INFO] [stderr] Compiling proc-macro-error v0.4.9 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.9 [INFO] [stderr] Checking fehler v1.0.0-alpha.2 [INFO] [stderr] Compiling structopt-derive v0.4.2 [INFO] [stderr] Checking structopt v0.3.9 [INFO] [stderr] Checking skill-tree v1.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: constant item is never used: `STOP_SIGN_EMOJI` [INFO] [stderr] --> src/graphviz.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | const STOP_SIGN_EMOJI: &str = "🛑"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `BALLOT_BOX_EMOJI` [INFO] [stderr] --> src/graphviz.rs:52:1 [INFO] [stderr] | [INFO] [stderr] 52 | const BALLOT_BOX_EMOJI: &str = "☐"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `groups_enumerated` [INFO] [stderr] --> src/tree.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | pub(crate) fn groups_enumerated(&self) -> impl Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `items_enumerated` [INFO] [stderr] --> src/tree.rs:87:5 [INFO] [stderr] | [INFO] [stderr] 87 | pub(crate) fn items_enumerated(&self) -> impl Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `STOP_SIGN_EMOJI` [INFO] [stderr] --> src/graphviz.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | const STOP_SIGN_EMOJI: &str = "🛑"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `BALLOT_BOX_EMOJI` [INFO] [stderr] --> src/graphviz.rs:52:1 [INFO] [stderr] | [INFO] [stderr] 52 | const BALLOT_BOX_EMOJI: &str = "☐"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `groups_enumerated` [INFO] [stderr] --> src/tree.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | pub(crate) fn groups_enumerated(&self) -> impl Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `items_enumerated` [INFO] [stderr] --> src/tree.rs:87:5 [INFO] [stderr] | [INFO] [stderr] 87 | pub(crate) fn items_enumerated(&self) -> impl Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 00s [INFO] running `"docker" "inspect" "19393a7aeb849f067cefc74979a98fe6ffe3d0659fb878cef3d28e7474aef5f5"` [INFO] running `"docker" "rm" "-f" "19393a7aeb849f067cefc74979a98fe6ffe3d0659fb878cef3d28e7474aef5f5"` [INFO] [stdout] 19393a7aeb849f067cefc74979a98fe6ffe3d0659fb878cef3d28e7474aef5f5