[INFO] fetching crate narcissus 0.3.0...
[INFO] checking narcissus-0.3.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate narcissus 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate narcissus 0.3.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate narcissus 0.3.0
[INFO] finished tweaking crates.io crate narcissus 0.3.0
[INFO] tweaked toml for crates.io crate narcissus 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3e8f84df58cffe795852dd7bfbbc944501686bf98db6218fd8eba1b1ed52590e
[INFO] running `Command { std: "docker" "start" "-a" "3e8f84df58cffe795852dd7bfbbc944501686bf98db6218fd8eba1b1ed52590e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e8f84df58cffe795852dd7bfbbc944501686bf98db6218fd8eba1b1ed52590e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e8f84df58cffe795852dd7bfbbc944501686bf98db6218fd8eba1b1ed52590e", kill_on_drop: false }`
[INFO] [stdout] 3e8f84df58cffe795852dd7bfbbc944501686bf98db6218fd8eba1b1ed52590e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5ab4344ff4653672545cf96d11d5b977dd8026052e4e888bf45bccd23b787759
[INFO] running `Command { std: "docker" "start" "-a" "5ab4344ff4653672545cf96d11d5b977dd8026052e4e888bf45bccd23b787759", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking narcissus v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sim_one_three`
[INFO] [stdout]    --> src/lib.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let sim_one_three = pearson_correlation(vec_one_bis, vec_three);
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sim_one_three`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.06s
[INFO] running `Command { std: "docker" "inspect" "5ab4344ff4653672545cf96d11d5b977dd8026052e4e888bf45bccd23b787759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab4344ff4653672545cf96d11d5b977dd8026052e4e888bf45bccd23b787759", kill_on_drop: false }`
[INFO] [stdout] 5ab4344ff4653672545cf96d11d5b977dd8026052e4e888bf45bccd23b787759