[INFO] fetching crate meow 0.2.1...
[INFO] checking meow-0.2.1 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate meow 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate meow 0.2.1 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 meow 0.2.1
[INFO] finished tweaking crates.io crate meow 0.2.1
[INFO] tweaked toml for crates.io crate meow 0.2.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate meow 0.2.1 already has a lockfile, it will not be regenerated
[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-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" "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] dfbf60bd4524c0455a8bfad58a4f29c2f9e7c806afe38122332e4d3298ad8d7a
[INFO] running `Command { std: "docker" "start" "-a" "dfbf60bd4524c0455a8bfad58a4f29c2f9e7c806afe38122332e4d3298ad8d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfbf60bd4524c0455a8bfad58a4f29c2f9e7c806afe38122332e4d3298ad8d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfbf60bd4524c0455a8bfad58a4f29c2f9e7c806afe38122332e4d3298ad8d7a", kill_on_drop: false }`
[INFO] [stdout] dfbf60bd4524c0455a8bfad58a4f29c2f9e7c806afe38122332e4d3298ad8d7a
[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" "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] [stdout] 7bad1f4f6f9568d0106cf4301169989b6c1ae59660b982f57c2f1a66843d1106
[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" "7bad1f4f6f9568d0106cf4301169989b6c1ae59660b982f57c2f1a66843d1106", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]     Checking meow v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `debug`, `error`, `info`, `warn`
[INFO] [stdout]   --> src/main.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use log::{error, warn, info, debug, trace};
[INFO] [stdout]    |           ^^^^^  ^^^^  ^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `error`, `info`, `warn`
[INFO] [stdout]   --> src/main.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use log::{error, warn, info, debug, trace};
[INFO] [stdout]    |           ^^^^^  ^^^^  ^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let M = dnachars.next().unwrap();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let E = dnachars.next().unwrap();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `O` should have a snake case name
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let O = dnachars.next().unwrap();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `W` should have a snake case name
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let W = dnachars.next().unwrap();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let M = dnachars.next().unwrap();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let E = dnachars.next().unwrap();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `O` should have a snake case name
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let O = dnachars.next().unwrap();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `W` should have a snake case name
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let W = dnachars.next().unwrap();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.66s
[INFO] running `Command { std: "docker" "inspect" "7bad1f4f6f9568d0106cf4301169989b6c1ae59660b982f57c2f1a66843d1106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bad1f4f6f9568d0106cf4301169989b6c1ae59660b982f57c2f1a66843d1106", kill_on_drop: false }`
[INFO] [stdout] 7bad1f4f6f9568d0106cf4301169989b6c1ae59660b982f57c2f1a66843d1106