[INFO] fetching crate sp-im 0.3.0...
[INFO] checking sp-im-0.3.0 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate sp-im 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate sp-im 0.3.0 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sp-im 0.3.0
[INFO] finished tweaking crates.io crate sp-im 0.3.0
[INFO] tweaked toml for crates.io crate sp-im 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d131f26d81e4daa6a2a490ae4eb40c95e7aabaae3cc71dde35c6c4e99c6426ad
[INFO] running `Command { std: "docker" "start" "-a" "d131f26d81e4daa6a2a490ae4eb40c95e7aabaae3cc71dde35c6c4e99c6426ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d131f26d81e4daa6a2a490ae4eb40c95e7aabaae3cc71dde35c6c4e99c6426ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d131f26d81e4daa6a2a490ae4eb40c95e7aabaae3cc71dde35c6c4e99c6426ad", kill_on_drop: false }`
[INFO] [stdout] d131f26d81e4daa6a2a490ae4eb40c95e7aabaae3cc71dde35c6c4e99c6426ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47fd4c8ab1b1d035b21cfdd32e0c90b7fc8b476bdb7b8269b91ab1a8364d2e75
[INFO] running `Command { std: "docker" "start" "-a" "47fd4c8ab1b1d035b21cfdd32e0c90b7fc8b476bdb7b8269b91ab1a8364d2e75", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bitmaps v3.2.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stderr]    Compiling derive_arbitrary v1.3.1
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]     Checking metrohash v1.0.6
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking sp-sized-chunks v0.1.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking proptest v0.5.1
[INFO] [stderr]     Checking arbitrary v1.3.0
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking sp-im v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/ser.rs:156:28
[INFO] [stdout]     |
[INFO] [stdout] 156 |       s.serialize_element(i.deref())?;
[INFO] [stdout]     |                            ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `A` does not implement `Deref`, so calling `deref` on `&A` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/ser.rs:180:26
[INFO] [stdout]     |
[INFO] [stdout] 180 |       s.serialize_entry(k.deref(), v.deref())?;
[INFO] [stdout]     |                          ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `K` does not implement `Deref`, so calling `deref` on `&K` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/ser.rs:180:37
[INFO] [stdout]     |
[INFO] [stdout] 180 |       s.serialize_entry(k.deref(), v.deref())?;
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `V` does not implement `Deref`, so calling `deref` on `&V` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/ser.rs:254:28
[INFO] [stdout]     |
[INFO] [stdout] 254 |       s.serialize_element(i.deref())?;
[INFO] [stdout]     |                            ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `A` does not implement `Deref`, so calling `deref` on `&A` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sp-im` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "47fd4c8ab1b1d035b21cfdd32e0c90b7fc8b476bdb7b8269b91ab1a8364d2e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47fd4c8ab1b1d035b21cfdd32e0c90b7fc8b476bdb7b8269b91ab1a8364d2e75", kill_on_drop: false }`
[INFO] [stdout] 47fd4c8ab1b1d035b21cfdd32e0c90b7fc8b476bdb7b8269b91ab1a8364d2e75