[INFO] fetching crate identity_core 0.6.2...
[INFO] checking identity_core-0.6.2 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate identity_core 0.6.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate identity_core 0.6.2 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 identity_core 0.6.2
[INFO] finished tweaking crates.io crate identity_core 0.6.2
[INFO] tweaked toml for crates.io crate identity_core 0.6.2 written to /workspace/builds/worker-5-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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 06b3eda17a2e592dde007e057e3cc15d7cde7a4c8741580cc402d2e3d1de26f3
[INFO] running `Command { std: "docker" "start" "-a" "06b3eda17a2e592dde007e057e3cc15d7cde7a4c8741580cc402d2e3d1de26f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06b3eda17a2e592dde007e057e3cc15d7cde7a4c8741580cc402d2e3d1de26f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06b3eda17a2e592dde007e057e3cc15d7cde7a4c8741580cc402d2e3d1de26f3", kill_on_drop: false }`
[INFO] [stdout] 06b3eda17a2e592dde007e057e3cc15d7cde7a4c8741580cc402d2e3d1de26f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6b12bd29d7418d0df2f3b58a7a9cb4fbdd6c9fbfed9fb5306c754eea89b59652
[INFO] running `Command { std: "docker" "start" "-a" "6b12bd29d7418d0df2f3b58a7a9cb4fbdd6c9fbfed9fb5306c754eea89b59652", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling data-encoding v2.4.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking aho-corasick v1.0.2
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[INFO] [stderr]     Checking regex-syntax v0.7.2
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[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
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[INFO] [stderr]     Checking regex-syntax v0.6.29
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[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking proptest v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.163
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.11
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]     Checking data-encoding-macro v0.1.13
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]     Checking x25519-dalek v1.1.1
[INFO] [stderr]     Checking ed25519-zebra v2.2.0
[INFO] [stderr]     Checking iota-crypto v0.9.1
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking time v0.3.21
[INFO] [stderr]     Checking serde_jcs v0.1.0
[INFO] [stderr]     Checking identity-diff v0.6.2
[INFO] [stderr]     Checking identity_core v0.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/common/ordered_set.rs:185:32
[INFO] [stdout]     |
[INFO] [stdout] 185 |       self.0.retain(|this| this.borrow().key() != item.key());
[INFO] [stdout]     |                                ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `T` does not implement `Borrow`, so calling `borrow` on `&T` 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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `identity_core` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/common/ordered_set.rs:185:32
[INFO] [stdout]     |
[INFO] [stdout] 185 |       self.0.retain(|this| this.borrow().key() != item.key());
[INFO] [stdout]     |                                ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `T` does not implement `Borrow`, so calling `borrow` on `&T` 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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `identity_core` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6b12bd29d7418d0df2f3b58a7a9cb4fbdd6c9fbfed9fb5306c754eea89b59652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b12bd29d7418d0df2f3b58a7a9cb4fbdd6c9fbfed9fb5306c754eea89b59652", kill_on_drop: false }`
[INFO] [stdout] 6b12bd29d7418d0df2f3b58a7a9cb4fbdd6c9fbfed9fb5306c754eea89b59652