[INFO] cloning repository https://github.com/zyla/lambda [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zyla/lambda" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyla%2Flambda", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyla%2Flambda'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6fafa154a41bb0348a92537dbaade056adcbe58a [INFO] checking zyla/lambda against master#d14d202262d13df896b0c624b0cec6e4bfde631a for pr-143028 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyla%2Flambda" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain [INFO] started tweaking git repo https://github.com/zyla/lambda [INFO] finished tweaking git repo https://github.com/zyla/lambda [INFO] tweaked toml for git repo https://github.com/zyla/lambda written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/zyla/lambda on toolchain d14d202262d13df896b0c624b0cec6e4bfde631a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/zyla/lambda 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" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f24db753564f434e1043ed7e92d19dfb3862471dc2045cb1c5fb4e9530893508 [INFO] running `Command { std: "docker" "start" "-a" "f24db753564f434e1043ed7e92d19dfb3862471dc2045cb1c5fb4e9530893508", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f24db753564f434e1043ed7e92d19dfb3862471dc2045cb1c5fb4e9530893508", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f24db753564f434e1043ed7e92d19dfb3862471dc2045cb1c5fb4e9530893508", kill_on_drop: false }` [INFO] [stdout] f24db753564f434e1043ed7e92d19dfb3862471dc2045cb1c5fb4e9530893508 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c6d40273f1f0ac752898a8234ae277d44c043b76c4d4a3b4272fc1d6b569cadf [INFO] running `Command { std: "docker" "start" "-a" "c6d40273f1f0ac752898a8234ae277d44c043b76c4d4a3b4272fc1d6b569cadf", kill_on_drop: false }` [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Checking lambda v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Term::*` and `Type::*` [INFO] [stdout] --> src/hm.rs:207:17 [INFO] [stdout] | [INFO] [stdout] 207 | use super::{Term::*, Type::*, *}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/hm.rs:201:19 [INFO] [stdout] | [INFO] [stdout] 201 | Term::App(f, x) => unimplemented!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/hm.rs:201:22 [INFO] [stdout] | [INFO] [stdout] 201 | Term::App(f, x) => unimplemented!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/context.rs:20:21 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn with(&mut self, key: K, value: V) -> Guard { [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] 20 | pub fn with(&mut self, key: K, value: V) -> Guard<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/context.rs:88:21 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn with(&mut self, key: K, value: V) -> Guard { [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] 88 | pub fn with(&mut self, key: K, value: V) -> Guard<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/hm.rs:201:19 [INFO] [stdout] | [INFO] [stdout] 201 | Term::App(f, x) => unimplemented!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/hm.rs:201:22 [INFO] [stdout] | [INFO] [stdout] 201 | Term::App(f, x) => unimplemented!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/context.rs:20:21 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn with(&mut self, key: K, value: V) -> Guard { [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] 20 | pub fn with(&mut self, key: K, value: V) -> Guard<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/context.rs:88:21 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn with(&mut self, key: K, value: V) -> Guard { [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] 88 | pub fn with(&mut self, key: K, value: V) -> Guard<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "c6d40273f1f0ac752898a8234ae277d44c043b76c4d4a3b4272fc1d6b569cadf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6d40273f1f0ac752898a8234ae277d44c043b76c4d4a3b4272fc1d6b569cadf", kill_on_drop: false }` [INFO] [stdout] c6d40273f1f0ac752898a8234ae277d44c043b76c4d4a3b4272fc1d6b569cadf