[INFO] crate sknife 0.2.2 is already in cache
[INFO] testing sknife-0.2.2 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate sknife 0.2.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sknife 0.2.2 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sknife 0.2.2
[INFO] finished tweaking crates.io crate sknife 0.2.2
[INFO] tweaked toml for crates.io crate sknife 0.2.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b35fb4855c091067a09003152344032999bcb37958f5e22782404c3e1f517936
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b35fb4855c091067a09003152344032999bcb37958f5e22782404c3e1f517936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b35fb4855c091067a09003152344032999bcb37958f5e22782404c3e1f517936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b35fb4855c091067a09003152344032999bcb37958f5e22782404c3e1f517936", kill_on_drop: false }`
[INFO] [stdout] b35fb4855c091067a09003152344032999bcb37958f5e22782404c3e1f517936
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9160d4bc2991d9c0945541970308c7330d2fb6520231b853f0eebef2af5abb79
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9160d4bc2991d9c0945541970308c7330d2fb6520231b853f0eebef2af5abb79", kill_on_drop: false }`
[INFO] [stderr]    Compiling sknife v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/collection/any.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/collection/count.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/collection/find.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/collection/flatmap.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std`
[INFO] [stdout]  --> src/collection/zip.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/any.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/any.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/count.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/count.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/find.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/find.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/flatmap.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/flatmap.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/map.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/map.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/reduce.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/reduce.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/zip.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/zip.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "9160d4bc2991d9c0945541970308c7330d2fb6520231b853f0eebef2af5abb79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9160d4bc2991d9c0945541970308c7330d2fb6520231b853f0eebef2af5abb79", kill_on_drop: false }`
[INFO] [stdout] 9160d4bc2991d9c0945541970308c7330d2fb6520231b853f0eebef2af5abb79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--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] b55ce196f3ba9c5ad1745ec843d531f11c5bc34d7b2b5505445bcf7b318c00ba
[INFO] running `Command { std: "docker" "start" "-a" "b55ce196f3ba9c5ad1745ec843d531f11c5bc34d7b2b5505445bcf7b318c00ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling sknife v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/collection/any.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/collection/count.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/collection/find.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/collection/flatmap.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std`
[INFO] [stdout]  --> src/collection/zip.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/any.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/any.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/count.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/count.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/find.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/find.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/flatmap.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/flatmap.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/map.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/map.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/reduce.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/reduce.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/zip.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/zip.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> tests/collections_find.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut list = vec![1, 3, 4, 7, 3, 9];
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std`
[INFO] [stdout]  --> src/collection/zip.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> tests/collections_any.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut list = vec![1, 2, 3, 4];
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collection/any.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut list = vec![];
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collection/any.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut list = vec![1, 2, 3, 4];
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collection/count.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut list: Vec<i32> = vec![];
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collection/count.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut list = vec![1, 2, 3, 4];
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collection/find.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut list = vec![];
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collection/find.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut list = vec![1, 2, 3, 4];
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/any.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/any.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/count.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/count.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/find.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/find.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/flatmap.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/flatmap.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/map.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/map.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/reduce.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/reduce.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/collection/zip.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/collection/zip.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![crate_name = "sknife"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "b55ce196f3ba9c5ad1745ec843d531f11c5bc34d7b2b5505445bcf7b318c00ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55ce196f3ba9c5ad1745ec843d531f11c5bc34d7b2b5505445bcf7b318c00ba", kill_on_drop: false }`
[INFO] [stdout] b55ce196f3ba9c5ad1745ec843d531f11c5bc34d7b2b5505445bcf7b318c00ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 29316055d93e81afa58caccc9b9f9977db1caef518d1a375cd1e1eaafffa4686
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "29316055d93e81afa58caccc9b9f9977db1caef518d1a375cd1e1eaafffa4686", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/collection/any.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/collection/count.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/collection/find.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/collection/flatmap.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/collection/zip.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/collection/any.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/collection/any.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/collection/count.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/collection/count.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/collection/find.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/collection/find.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/collection/flatmap.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/collection/flatmap.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/collection/map.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/collection/map.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/collection/reduce.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/collection/reduce.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/collection/zip.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/collection/zip.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std`
[INFO] [stdout] running 15 tests
[INFO] [stderr]  --> src/collection/zip.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/collection/any.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let mut list = vec![];
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/collection/any.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let mut list = vec![1, 2, 3, 4];
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> tests/collections_find.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut list = vec![1, 3, 4, 7, 3, 9];
[INFO] [stderr]   |         ----^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/collection/count.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let mut list: Vec<i32> = vec![];
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/collection/count.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let mut list = vec![1, 2, 3, 4];
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/collection/find.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let mut list = vec![];
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/collection/find.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let mut list = vec![1, 2, 3, 4];
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/collection/any.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/collection/any.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/collection/count.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/collection/count.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/collection/find.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/collection/find.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/collection/flatmap.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/collection/flatmap.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/collection/map.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/collection/map.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/collection/reduce.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/collection/reduce.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/collection/zip.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/collection/zip.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![crate_name = "sknife"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> tests/collections_any.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut list = vec![1, 2, 3, 4];
[INFO] [stderr]   |         ----^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sknife-86ecdcdb2ca091f4
[INFO] [stdout] test collection::any::tests::any_empty_list ... ok
[INFO] [stdout] test collection::reduce::tests::reduce_sum ... ok
[INFO] [stdout] test collection::zip::tests::zip_simple_lists ... ok
[INFO] [stdout] test collection::any::tests::any_list ... ok
[INFO] [stdout] test collection::zip::tests::zip_empty_lists ... ok
[INFO] [stdout] test collection::zip::tests::zip_unequal_lists ... ok
[INFO] [stdout] test collection::flatmap::tests::flatmap_list ... ok
[INFO] [stdout] test collection::map::tests::map_empty_list ... ok
[INFO] [stdout] test collection::count::tests::count_empty_list ... ok
[INFO] [stdout] test collection::flatmap::tests::flatmap_empty_list ... ok
[INFO] [stdout] test collection::count::tests::count_of_list ... ok
[INFO] [stdout] test collection::reduce::tests::reduce_fact ... ok
[INFO] [stdout] test collection::map::tests::map_simple_list ... ok
[INFO] [stdout] test collection::find::tests::find_empty_list ... ok
[INFO] [stdout] test collection::find::tests::find_in_list ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/collections_any-da7d2b0dbc557708
[INFO] [stdout] test is_any_mod_two ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/collections_find-ebfc4f7abb2fdd69
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sknife
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test find_greater_than_five ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/collection/find.rs - collection::find::find (line 21) ... ok
[INFO] [stdout] test src/collection/map.rs - collection::map::map (line 21) ... ok
[INFO] [stdout] test src/collection/zip.rs - collection::zip::zip (line 24) ... ok
[INFO] [stdout] test src/collection/any.rs - collection::any::any (line 21) ... ok
[INFO] [stdout] test src/collection/find.rs - collection::find::find (line 12) ... ok
[INFO] [stdout] test src/collection/count.rs - collection::count::count (line 19) ... ok
[INFO] [stdout] test src/collection/reduce.rs - collection::reduce::reduce (line 24) ... ok
[INFO] [stdout] test src/collection/flatmap.rs - collection::flatmap::flatmap (line 21) ... ok
[INFO] [stdout] test src/collection/flatmap.rs - collection::flatmap::flatmap (line 12) ... ok
[INFO] [stdout] test src/collection/reduce.rs - collection::reduce::reduce (line 14) ... ok
[INFO] [stdout] test src/collection/zip.rs - collection::zip::zip (line 15) ... ok
[INFO] [stdout] test src/collection/count.rs - collection::count::count (line 11) ... ok
[INFO] [stdout] test src/collection/map.rs - collection::map::map (line 12) ... ok
[INFO] [stdout] test src/collection/any.rs - collection::any::any (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "29316055d93e81afa58caccc9b9f9977db1caef518d1a375cd1e1eaafffa4686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29316055d93e81afa58caccc9b9f9977db1caef518d1a375cd1e1eaafffa4686", kill_on_drop: false }`
[INFO] [stdout] 29316055d93e81afa58caccc9b9f9977db1caef518d1a375cd1e1eaafffa4686