[INFO] cloning repository https://github.com/camelid/type-layout [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/camelid/type-layout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamelid%2Ftype-layout", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamelid%2Ftype-layout'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7216163c31c3e61602ddc9ac436aa3218c3a696e [INFO] building camelid/type-layout against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamelid%2Ftype-layout" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/camelid/type-layout on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/camelid/type-layout [INFO] finished tweaking git repo https://github.com/camelid/type-layout [INFO] tweaked toml for git repo https://github.com/camelid/type-layout written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/camelid/type-layout 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded similar v1.3.0 [INFO] [stderr] Downloaded insta v1.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1bd3739e03ab1215859731ee124930be92f73b5cccf7746148844d309a61cc48 [INFO] running `Command { std: "docker" "start" "-a" "1bd3739e03ab1215859731ee124930be92f73b5cccf7746148844d309a61cc48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1bd3739e03ab1215859731ee124930be92f73b5cccf7746148844d309a61cc48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bd3739e03ab1215859731ee124930be92f73b5cccf7746148844d309a61cc48", kill_on_drop: false }` [INFO] [stdout] 1bd3739e03ab1215859731ee124930be92f73b5cccf7746148844d309a61cc48 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 26b7fe71492068613f4c668a6aaec71c95eea907813a3af9e9cb2faaa052cf51 [INFO] running `Command { std: "docker" "start" "-a" "26b7fe71492068613f4c668a6aaec71c95eea907813a3af9e9cb2faaa052cf51", kill_on_drop: false }` [INFO] [stderr] Compiling type-layout v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `niches` is never used [INFO] [stdout] --> src/layout.rs:114:12 [INFO] [stdout] | [INFO] [stdout] 99 | impl TagLayout { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 114 | pub fn niches(&self) -> IntNiches { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Deref` is never constructed [INFO] [stdout] --> src/lir.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum Expr { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 17 | Deref(Box), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/util/list.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 47 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.60s [INFO] running `Command { std: "docker" "inspect" "26b7fe71492068613f4c668a6aaec71c95eea907813a3af9e9cb2faaa052cf51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26b7fe71492068613f4c668a6aaec71c95eea907813a3af9e9cb2faaa052cf51", kill_on_drop: false }` [INFO] [stdout] 26b7fe71492068613f4c668a6aaec71c95eea907813a3af9e9cb2faaa052cf51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3bdfb5c6e571fd0ab8df435b0ad0158ae5cdd13aad4103449a83c504989e0f8b [INFO] running `Command { std: "docker" "start" "-a" "3bdfb5c6e571fd0ab8df435b0ad0158ae5cdd13aad4103449a83c504989e0f8b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling libc v0.2.105 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling linked-hash-map v0.5.4 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling dtoa v0.4.8 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling similar v1.3.0 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling yaml-rust v0.4.5 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling console v0.14.1 [INFO] [stderr] Compiling serde_yaml v0.8.21 [INFO] [stderr] Compiling insta v1.8.0 [INFO] [stderr] Compiling type-layout v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `niches` is never used [INFO] [stdout] --> src/layout.rs:114:12 [INFO] [stdout] | [INFO] [stdout] 99 | impl TagLayout { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 114 | pub fn niches(&self) -> IntNiches { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Deref` is never constructed [INFO] [stdout] --> src/lir.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum Expr { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 17 | Deref(Box), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/util/list.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 47 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 19.55s [INFO] running `Command { std: "docker" "inspect" "3bdfb5c6e571fd0ab8df435b0ad0158ae5cdd13aad4103449a83c504989e0f8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bdfb5c6e571fd0ab8df435b0ad0158ae5cdd13aad4103449a83c504989e0f8b", kill_on_drop: false }` [INFO] [stdout] 3bdfb5c6e571fd0ab8df435b0ad0158ae5cdd13aad4103449a83c504989e0f8b