[INFO] cloning repository https://github.com/aep/zz [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aep/zz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faep%2Fzz", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faep%2Fzz'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a86bbd0a5676cc4644942174bb5b29cae58a2c8 [INFO] checking aep/zz/5a86bbd0a5676cc4644942174bb5b29cae58a2c8 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faep%2Fzz" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aep/zz on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/aep/zz [INFO] finished tweaking git repo https://github.com/aep/zz [INFO] tweaked toml for git repo https://github.com/aep/zz written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/aep/zz already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rmp-serde v0.14.3 [INFO] [stderr] Downloaded smallvec v1.4.0 [INFO] [stderr] Downloaded backtrace v0.3.46 [INFO] [stderr] Downloaded askama_escape v0.3.0 [INFO] [stderr] Downloaded askama_derive v0.9.0 [INFO] [stderr] Downloaded pathdiff v0.2.0 [INFO] [stderr] Downloaded serde_json v1.0.52 [INFO] [stderr] Downloaded cc v1.0.52 [INFO] [stderr] Downloaded error-chain v0.12.2 [INFO] [stderr] Downloaded rsmt2 v0.14.1 [INFO] [stderr] Downloaded askama v0.9.0 [INFO] [stderr] Downloaded humansize v1.1.0 [INFO] [stderr] Downloaded askama_shared v0.9.1 [INFO] [stderr] Downloaded pbr v1.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4644f0f1fb2088c3b07116a594afa42e434f045aee7c8f4da5bcc27132aca4e2 [INFO] running `Command { std: "docker" "start" "-a" "4644f0f1fb2088c3b07116a594afa42e434f045aee7c8f4da5bcc27132aca4e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4644f0f1fb2088c3b07116a594afa42e434f045aee7c8f4da5bcc27132aca4e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4644f0f1fb2088c3b07116a594afa42e434f045aee7c8f4da5bcc27132aca4e2", kill_on_drop: false }` [INFO] [stdout] 4644f0f1fb2088c3b07116a594afa42e434f045aee7c8f4da5bcc27132aca4e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] edf40894bb1113a2d9987df5b9896db0d385b7ce7499c40684d0b3f77f027438 [INFO] running `Command { std: "docker" "start" "-a" "edf40894bb1113a2d9987df5b9896db0d385b7ce7499c40684d0b3f77f027438", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling cc v1.0.52 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Compiling humansize v1.1.0 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling askama_escape v0.3.0 [INFO] [stderr] Compiling nom v5.1.1 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling backtrace-sys v0.1.37 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking pbr v1.0.2 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking pathdiff v0.2.0 [INFO] [stderr] Checking rmp v0.8.9 [INFO] [stderr] Checking metrohash v1.0.6 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking sha2 v0.8.1 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking which v3.1.1 [INFO] [stderr] Checking rsmt2 v0.14.1 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Checking serde_json v1.0.52 [INFO] [stderr] Checking rmp-serde v0.14.3 [INFO] [stderr] Checking askama_shared v0.9.1 [INFO] [stderr] Compiling askama_derive v0.9.0 [INFO] [stderr] Checking askama v0.9.0 [INFO] [stderr] Checking zz v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: named argument `n` is not used by name [INFO] [stdout] --> src/emitter_js.rs:795:13 [INFO] [stdout] | [INFO] [stdout] 766 | void js_delete_{}(napi_env env, void *obj, void*hint) {{ [INFO] [stdout] | -- this formatting argument uses named argument `n` by position [INFO] [stdout] ... [INFO] [stdout] 795 | n = longname, [INFO] [stdout] | ^ this named argument is referred to by position in formatting string [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(named_arguments_used_positionally)]` on by default [INFO] [stdout] help: use the named argument by name to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 766 | void js_delete_{n}(napi_env env, void *obj, void*hint) {{ [INFO] [stdout] | + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: named argument `n` is not used by name [INFO] [stdout] --> src/emitter_js.rs:795:13 [INFO] [stdout] | [INFO] [stdout] 766 | void js_delete_{}(napi_env env, void *obj, void*hint) {{ [INFO] [stdout] | -- this formatting argument uses named argument `n` by position [INFO] [stdout] ... [INFO] [stdout] 795 | n = longname, [INFO] [stdout] | ^ this named argument is referred to by position in formatting string [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(named_arguments_used_positionally)]` on by default [INFO] [stdout] help: use the named argument by name to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 766 | void js_delete_{n}(napi_env env, void *obj, void*hint) {{ [INFO] [stdout] | + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/expand.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct Storage { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 10 | name: Name, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Storage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `in_scope_here` is never read [INFO] [stdout] --> src/flatten.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 44 | struct Local { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 49 | in_scope_here: ast::Location, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Local` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/abs.rs:668:22 [INFO] [stdout] | [INFO] [stdout] 668 | for s in e2 { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 668 | while let Some(s) = e2 { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 668 | if let Some(s) = e2 { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/flatten.rs:128:22 [INFO] [stdout] | [INFO] [stdout] 128 | for s in e2 { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 128 | while let Some(s) = e2 { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 128 | if let Some(s) = e2 { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/expand.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct Storage { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 10 | name: Name, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Storage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `in_scope_here` is never read [INFO] [stdout] --> src/flatten.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 44 | struct Local { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 49 | in_scope_here: ast::Location, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Local` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/abs.rs:668:22 [INFO] [stdout] | [INFO] [stdout] 668 | for s in e2 { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 668 | while let Some(s) = e2 { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 668 | if let Some(s) = e2 { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/flatten.rs:128:22 [INFO] [stdout] | [INFO] [stdout] 128 | for s in e2 { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 128 | while let Some(s) = e2 { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 128 | if let Some(s) = e2 { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.85s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "edf40894bb1113a2d9987df5b9896db0d385b7ce7499c40684d0b3f77f027438", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edf40894bb1113a2d9987df5b9896db0d385b7ce7499c40684d0b3f77f027438", kill_on_drop: false }` [INFO] [stdout] edf40894bb1113a2d9987df5b9896db0d385b7ce7499c40684d0b3f77f027438