[INFO] cloning repository https://github.com/ToposInstitute/fexplib [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ToposInstitute/fexplib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToposInstitute%2Ffexplib", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToposInstitute%2Ffexplib'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d17b0ffc298be39356a8c3b2d56553946c90c6b5 [INFO] checking ToposInstitute/fexplib against master#40daf23eeb711dadf140b2536e67e3ff4c999196 for pr-142287 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToposInstitute%2Ffexplib" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ToposInstitute/fexplib on toolchain 40daf23eeb711dadf140b2536e67e3ff4c999196 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ToposInstitute/fexplib [INFO] finished tweaking git repo https://github.com/ToposInstitute/fexplib [INFO] tweaked toml for git repo https://github.com/ToposInstitute/fexplib written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ToposInstitute/fexplib 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" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tattle v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4cdb20caef1a7ab2a1111b469b11d62935acee819ee20bfeeb7b4d1fc685daa3 [INFO] running `Command { std: "docker" "start" "-a" "4cdb20caef1a7ab2a1111b469b11d62935acee819ee20bfeeb7b4d1fc685daa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cdb20caef1a7ab2a1111b469b11d62935acee819ee20bfeeb7b4d1fc685daa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cdb20caef1a7ab2a1111b469b11d62935acee819ee20bfeeb7b4d1fc685daa3", kill_on_drop: false }` [INFO] [stdout] 4cdb20caef1a7ab2a1111b469b11d62935acee819ee20bfeeb7b4d1fc685daa3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27ecc2a1ade44130ae289164020ff24067153a920eeef58ad85cb3c489acba8e [INFO] running `Command { std: "docker" "start" "-a" "27ecc2a1ade44130ae289164020ff24067153a920eeef58ad85cb3c489acba8e", kill_on_drop: false }` [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking typed-arena v2.0.2 [INFO] [stderr] Checking dissimilar v1.0.9 [INFO] [stderr] Checking bumpalo v3.17.0 [INFO] [stderr] Checking once_cell v1.20.3 [INFO] [stderr] Checking tattle v0.1.0 [INFO] [stderr] Checking expect-test v1.5.1 [INFO] [stderr] Checking pretty v0.12.3 [INFO] [stderr] Checking fexplib v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/types.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 76 | fn bexpr<'a>(args: &'a [&'a FExp<'a>]) -> RcDoc { [INFO] [stdout] | ^^ ^^ ^^ ----- the lifetime gets resolved as `'a` [INFO] [stdout] | | | | [INFO] [stdout] | | | these lifetimes flow to the output [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 76 | fn bexpr<'a>(args: &'a [&'a FExp<'a>]) -> RcDoc<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/types.rs:90:15 [INFO] [stdout] | [INFO] [stdout] 90 | fn parens(&self) -> RcDoc { [INFO] [stdout] | ^^^^^ ----- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 90 | fn parens(&self) -> RcDoc<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/types.rs:104:15 [INFO] [stdout] | [INFO] [stdout] 104 | fn to_doc(&self) -> RcDoc { [INFO] [stdout] | ^^^^^ ----- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 104 | fn to_doc(&self) -> RcDoc<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/types.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 76 | fn bexpr<'a>(args: &'a [&'a FExp<'a>]) -> RcDoc { [INFO] [stdout] | ^^ ^^ ^^ ----- the lifetime gets resolved as `'a` [INFO] [stdout] | | | | [INFO] [stdout] | | | these lifetimes flow to the output [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 76 | fn bexpr<'a>(args: &'a [&'a FExp<'a>]) -> RcDoc<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/types.rs:90:15 [INFO] [stdout] | [INFO] [stdout] 90 | fn parens(&self) -> RcDoc { [INFO] [stdout] | ^^^^^ ----- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 90 | fn parens(&self) -> RcDoc<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/types.rs:104:15 [INFO] [stdout] | [INFO] [stdout] 104 | fn to_doc(&self) -> RcDoc { [INFO] [stdout] | ^^^^^ ----- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 104 | fn to_doc(&self) -> RcDoc<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.72s [INFO] running `Command { std: "docker" "inspect" "27ecc2a1ade44130ae289164020ff24067153a920eeef58ad85cb3c489acba8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27ecc2a1ade44130ae289164020ff24067153a920eeef58ad85cb3c489acba8e", kill_on_drop: false }` [INFO] [stdout] 27ecc2a1ade44130ae289164020ff24067153a920eeef58ad85cb3c489acba8e