[INFO] fetching crate funlib 0.1.8...
[INFO] checking funlib-0.1.8 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate funlib 0.1.8 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate funlib 0.1.8 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 crates.io crate funlib 0.1.8
[INFO] finished tweaking crates.io crate funlib 0.1.8
[INFO] tweaked toml for crates.io crate funlib 0.1.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded funlib-macros v0.1.8
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1184f45b2f6840ac1166f5e00f91ff2197729bf1af1ba6d11bc98059c66f5bc0
[INFO] running `Command { std: "docker" "start" "-a" "1184f45b2f6840ac1166f5e00f91ff2197729bf1af1ba6d11bc98059c66f5bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1184f45b2f6840ac1166f5e00f91ff2197729bf1af1ba6d11bc98059c66f5bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1184f45b2f6840ac1166f5e00f91ff2197729bf1af1ba6d11bc98059c66f5bc0", kill_on_drop: false }`
[INFO] [stdout] 1184f45b2f6840ac1166f5e00f91ff2197729bf1af1ba6d11bc98059c66f5bc0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cadd6cead534f4dcdf8ae1cc20e7718d7309292b482cac0be80a6cfbde2d88a6
[INFO] running `Command { std: "docker" "start" "-a" "cadd6cead534f4dcdf8ae1cc20e7718d7309292b482cac0be80a6cfbde2d88a6", kill_on_drop: false }`
[INFO] [stderr]     Checking funlib-macros v0.1.8
[INFO] [stderr]     Checking funlib v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/functor/mod.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 |     laws!(Box, Box::new(5i32), |x| x + 2, |x| x * 5);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/applicative/mod.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 |     assert_eq!(Box::new(4), Box::new(2).ap(Box::new(f)));
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/applicative/mod.rs:73:29
[INFO] [stdout]    |
[INFO] [stdout] 73 |     assert_eq!(Box::new(4), Box::new(2).ap(Box::new(&double)));
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/semigroup/mod.rs:86:31
[INFO] [stdout]    |
[INFO] [stdout] 86 |     assert_eq!(Box::new(res), Box::new(v1).mappend(&Box::new(v2)));
[INFO] [stdout]    |                               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/semigroup/mod.rs:94:31
[INFO] [stdout]    |
[INFO] [stdout] 94 |     assert_ne!(Box::new(res), Box::new(v1).mappend(&Box::new(v2)));
[INFO] [stdout]    |                               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/monoid/mod.rs:78:22
[INFO] [stdout]    |
[INFO] [stdout] 78 |     laws2!(Box, i64, Box::new(5i64), Box::new(6i64), Box::new(10i64));
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/monoid/mod.rs:78:38
[INFO] [stdout]    |
[INFO] [stdout] 78 |     laws2!(Box, i64, Box::new(5i64), Box::new(6i64), Box::new(10i64));
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "cadd6cead534f4dcdf8ae1cc20e7718d7309292b482cac0be80a6cfbde2d88a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cadd6cead534f4dcdf8ae1cc20e7718d7309292b482cac0be80a6cfbde2d88a6", kill_on_drop: false }`
[INFO] [stdout] cadd6cead534f4dcdf8ae1cc20e7718d7309292b482cac0be80a6cfbde2d88a6