[INFO] fetching crate skitty 0.1.0...
[INFO] checking skitty-0.1.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate skitty 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate skitty 0.1.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate skitty 0.1.0
[INFO] finished tweaking crates.io crate skitty 0.1.0
[INFO] tweaked toml for crates.io crate skitty 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c53945bb78dd86137802e9b526a827121c32ffb6c1be8b6e86fd89e09f17bad
[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" "2c53945bb78dd86137802e9b526a827121c32ffb6c1be8b6e86fd89e09f17bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c53945bb78dd86137802e9b526a827121c32ffb6c1be8b6e86fd89e09f17bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c53945bb78dd86137802e9b526a827121c32ffb6c1be8b6e86fd89e09f17bad", kill_on_drop: false }`
[INFO] [stdout] 2c53945bb78dd86137802e9b526a827121c32ffb6c1be8b6e86fd89e09f17bad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4ec9ebd365f16a5129e5f8abb720c32f52f6538cb241898ec895f9382ccce0c
[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" "e4ec9ebd365f16a5129e5f8abb720c32f52f6538cb241898ec895f9382ccce0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking inotify-sys v0.1.4
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking zip v0.4.2
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking skitty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/project/fs_tools.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn make_absolute<'a>(path: &'a AsRef<Path>) -> SkittyResult<Cow<'a, Path>>
[INFO] [stdout]    |                                    ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/project/json_tools.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn prettify_json_in_dir(dir: &AsRef<Path>) -> SkittyResult<()> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/project/json_tools.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn prettify_json_file(file: &AsRef<Path>) -> SkittyResult<()> {
[INFO] [stdout]    |                              ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn extract(path: &AsRef<Path>) -> SkittyResult<()>
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn combine(path: &AsRef<Path>) -> SkittyResult<()>
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn watch(path: &AsRef<Path>) -> SkittyResult<()>
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/project/fs_tools.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn make_absolute<'a>(path: &'a AsRef<Path>) -> SkittyResult<Cow<'a, Path>>
[INFO] [stdout]    |                                    ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/project/json_tools.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn prettify_json_in_dir(dir: &AsRef<Path>) -> SkittyResult<()> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/project/json_tools.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn prettify_json_file(file: &AsRef<Path>) -> SkittyResult<()> {
[INFO] [stdout]    |                              ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn extract(path: &AsRef<Path>) -> SkittyResult<()>
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn combine(path: &AsRef<Path>) -> SkittyResult<()>
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn watch(path: &AsRef<Path>) -> SkittyResult<()>
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/project/zip_tools.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut file = zip.by_index(i)?;
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/project/zip_tools.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut file = zip.by_index(i)?;
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.72s
[INFO] running `Command { std: "docker" "inspect" "e4ec9ebd365f16a5129e5f8abb720c32f52f6538cb241898ec895f9382ccce0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4ec9ebd365f16a5129e5f8abb720c32f52f6538cb241898ec895f9382ccce0c", kill_on_drop: false }`
[INFO] [stdout] e4ec9ebd365f16a5129e5f8abb720c32f52f6538cb241898ec895f9382ccce0c