[INFO] crate constructor-macro 0.4.2 is already in cache
[INFO] checking constructor-macro-0.4.2 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate constructor-macro 0.4.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate constructor-macro 0.4.2 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate constructor-macro 0.4.2
[INFO] finished tweaking crates.io crate constructor-macro 0.4.2
[INFO] tweaked toml for crates.io crate constructor-macro 0.4.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 235ec4700bd1831d191ec61d2c37a2445e6ed4079e9039e1d96f4beb0f26308b
[INFO] running `"docker" "start" "-a" "235ec4700bd1831d191ec61d2c37a2445e6ed4079e9039e1d96f4beb0f26308b"`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking constructor-macro v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]   --> tests/default_value.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         Right,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]    --> tests/default_value.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         Right(usize),
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]    --> tests/default_value.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         Right { value: usize },
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.39s
[INFO] running `"docker" "inspect" "235ec4700bd1831d191ec61d2c37a2445e6ed4079e9039e1d96f4beb0f26308b"`
[INFO] running `"docker" "rm" "-f" "235ec4700bd1831d191ec61d2c37a2445e6ed4079e9039e1d96f4beb0f26308b"`
[INFO] [stdout] 235ec4700bd1831d191ec61d2c37a2445e6ed4079e9039e1d96f4beb0f26308b