[INFO] fetching crate simple_accumulator 0.4.0...
[INFO] checking simple_accumulator-0.4.0 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate simple_accumulator 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate simple_accumulator 0.4.0 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 simple_accumulator 0.4.0
[INFO] finished tweaking crates.io crate simple_accumulator 0.4.0
[INFO] tweaked toml for crates.io crate simple_accumulator 0.4.0 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] 2d0d1b718c1845b595d4b1f4f5fc47275ef255f09e63602a445e6ea4e4827bd9
[INFO] running `Command { std: "docker" "start" "-a" "2d0d1b718c1845b595d4b1f4f5fc47275ef255f09e63602a445e6ea4e4827bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d0d1b718c1845b595d4b1f4f5fc47275ef255f09e63602a445e6ea4e4827bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0d1b718c1845b595d4b1f4f5fc47275ef255f09e63602a445e6ea4e4827bd9", kill_on_drop: false }`
[INFO] [stdout] 2d0d1b718c1845b595d4b1f4f5fc47275ef255f09e63602a445e6ea4e4827bd9
[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] 3d3a0b238ec2d638e8a884a7b43e9f45eadc3ddab328a9eb2b9b585615b76bf8
[INFO] running `Command { std: "docker" "start" "-a" "3d3a0b238ec2d638e8a884a7b43e9f45eadc3ddab328a9eb2b9b585615b76bf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.145
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking ordered-float v3.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking simple_accumulator v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:70:34
[INFO] [stdout]    |
[INFO] [stdout] 70 |           let vec: Vec<f64> = slice
[INFO] [stdout]    |  __________________________________^
[INFO] [stdout] 71 | |             .clone()
[INFO] [stdout]    | |____________________^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[T]` does not implement `Clone`, so calling `clone` 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: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:132:38
[INFO] [stdout]     |
[INFO] [stdout] 132 |           let mut vec: Vec<f64> = slice
[INFO] [stdout]     |  ______________________________________^
[INFO] [stdout] 133 | |             .clone()
[INFO] [stdout]     | |____________________^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[T]` does not implement `Clone`, so calling `clone` on `&[T]` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:70:34
[INFO] [stdout]    |
[INFO] [stdout] 70 |           let vec: Vec<f64> = slice
[INFO] [stdout]    |  __________________________________^
[INFO] [stdout] 71 | |             .clone()
[INFO] [stdout]    | |____________________^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[T]` does not implement `Clone`, so calling `clone` 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: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:132:38
[INFO] [stdout]     |
[INFO] [stdout] 132 |           let mut vec: Vec<f64> = slice
[INFO] [stdout]     |  ______________________________________^
[INFO] [stdout] 133 | |             .clone()
[INFO] [stdout]     | |____________________^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[T]` does not implement `Clone`, so calling `clone` on `&[T]` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple_accumulator` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `simple_accumulator` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "3d3a0b238ec2d638e8a884a7b43e9f45eadc3ddab328a9eb2b9b585615b76bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d3a0b238ec2d638e8a884a7b43e9f45eadc3ddab328a9eb2b9b585615b76bf8", kill_on_drop: false }`
[INFO] [stdout] 3d3a0b238ec2d638e8a884a7b43e9f45eadc3ddab328a9eb2b9b585615b76bf8