[INFO] crate user-error 1.1.0 is already in cache
[INFO] checking user-error-1.1.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate user-error 1.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate user-error 1.1.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate user-error 1.1.0
[INFO] finished tweaking crates.io crate user-error 1.1.0
[INFO] tweaked toml for crates.io crate user-error 1.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 56c3afcfde7e986c724e16a892c111098e26e1109e3b18d1c6d41e4ca23e9b62
[INFO] running `"docker" "start" "-a" "56c3afcfde7e986c724e16a892c111098e26e1109e3b18d1c6d41e4ca23e9b62"`
[INFO] [stderr]     Checking user-error v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: static variable `s` should have an upper case name
[INFO] [stderr]    --> src/lib.rs:384:12
[INFO] [stderr]     |
[INFO] [stderr] 384 |     static s: &'static str = "Test Error";
[INFO] [stderr]     |            ^ help: convert the identifier to upper case (notice the capitalization): `S`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `r` should have an upper case name
[INFO] [stderr]    --> src/lib.rs:385:12
[INFO] [stderr]     |
[INFO] [stderr] 385 |     static r: &'static str = "Reason 1";
[INFO] [stderr]     |            ^ help: convert the identifier to upper case: `R`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `h` should have an upper case name
[INFO] [stderr]    --> src/lib.rs:386:12
[INFO] [stderr]     |
[INFO] [stderr] 386 |     static h: &'static str = "Try Again";
[INFO] [stderr]     |            ^ help: convert the identifier to upper case: `H`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> tests/simple.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/simple.rs:24:40
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn returns_err() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ufe`
[INFO] [stderr]   --> tests/simple.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let ufe = UserFacingError::new("Too gay to live");
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ufe`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ue`
[INFO] [stderr]   --> tests/simple.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let ue = UserFacingError::new("Too cool for cats")
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ue`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "56c3afcfde7e986c724e16a892c111098e26e1109e3b18d1c6d41e4ca23e9b62"`
[INFO] running `"docker" "rm" "-f" "56c3afcfde7e986c724e16a892c111098e26e1109e3b18d1c6d41e4ca23e9b62"`
[INFO] [stdout] 56c3afcfde7e986c724e16a892c111098e26e1109e3b18d1c6d41e4ca23e9b62