[INFO] updating cached repository https://github.com/tkilbourn/rustfmt-test
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 08a4cc21f02c394f35451574da8ee8513b031621
[INFO] testing tkilbourn/rustfmt-test against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkilbourn%2Frustfmt-test" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tkilbourn/rustfmt-test on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tkilbourn/rustfmt-test
[INFO] finished tweaking git repo https://github.com/tkilbourn/rustfmt-test
[INFO] tweaked toml for git repo https://github.com/tkilbourn/rustfmt-test written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tkilbourn/rustfmt-test already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 0ec7dfc3015be54160655831e579fd668eb0130fff8fa5420162e6f189843571
[INFO] running `"docker" "start" "-a" "0ec7dfc3015be54160655831e579fd668eb0130fff8fa5420162e6f189843571"`
[INFO] [stderr]    Compiling rustfmt-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `that`
[INFO] [stderr]  --> src/other.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     that: u64, does: u32,
[INFO] [stderr]   |     ^^^^ help: consider prefixing with an underscore: `_that`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `does`
[INFO] [stderr]  --> src/other.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 |     that: u64, does: u32,
[INFO] [stderr]   |                ^^^^ help: consider prefixing with an underscore: `_does`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `not`
[INFO] [stderr]  --> src/other.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     not: f32, follow: String, the: usize,
[INFO] [stderr]   |     ^^^ help: consider prefixing with an underscore: `_not`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `follow`
[INFO] [stderr]  --> src/other.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 |     not: f32, follow: String, the: usize,
[INFO] [stderr]   |               ^^^^^^ help: consider prefixing with an underscore: `_follow`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `the`
[INFO] [stderr]  --> src/other.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 |     not: f32, follow: String, the: usize,
[INFO] [stderr]   |                               ^^^ help: consider prefixing with an underscore: `_the`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rules`
[INFO] [stderr]  --> src/other.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     rules: &[u8]) ->
[INFO] [stderr]   |     ^^^^^ help: consider prefixing with an underscore: `_rules`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     other::long_function(0, 1, 1.5, String::new(), 2, &[0]);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "0ec7dfc3015be54160655831e579fd668eb0130fff8fa5420162e6f189843571"`
[INFO] running `"docker" "rm" "-f" "0ec7dfc3015be54160655831e579fd668eb0130fff8fa5420162e6f189843571"`
[INFO] [stdout] 0ec7dfc3015be54160655831e579fd668eb0130fff8fa5420162e6f189843571
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9629df3911eb63c88d8d3cb435da6e93e71952dd68bdb1a8937b4c52bcef528f
[INFO] running `"docker" "start" "-a" "9629df3911eb63c88d8d3cb435da6e93e71952dd68bdb1a8937b4c52bcef528f"`
[INFO] [stderr]    Compiling rustfmt-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `that`
[INFO] [stderr]  --> src/other.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     that: u64, does: u32,
[INFO] [stderr]   |     ^^^^ help: consider prefixing with an underscore: `_that`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `does`
[INFO] [stderr]  --> src/other.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 |     that: u64, does: u32,
[INFO] [stderr]   |                ^^^^ help: consider prefixing with an underscore: `_does`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `not`
[INFO] [stderr]  --> src/other.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     not: f32, follow: String, the: usize,
[INFO] [stderr]   |     ^^^ help: consider prefixing with an underscore: `_not`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `follow`
[INFO] [stderr]  --> src/other.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 |     not: f32, follow: String, the: usize,
[INFO] [stderr]   |               ^^^^^^ help: consider prefixing with an underscore: `_follow`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `the`
[INFO] [stderr]  --> src/other.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 |     not: f32, follow: String, the: usize,
[INFO] [stderr]   |                               ^^^ help: consider prefixing with an underscore: `_the`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rules`
[INFO] [stderr]  --> src/other.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     rules: &[u8]) ->
[INFO] [stderr]   |     ^^^^^ help: consider prefixing with an underscore: `_rules`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     other::long_function(0, 1, 1.5, String::new(), 2, &[0]);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "9629df3911eb63c88d8d3cb435da6e93e71952dd68bdb1a8937b4c52bcef528f"`
[INFO] running `"docker" "rm" "-f" "9629df3911eb63c88d8d3cb435da6e93e71952dd68bdb1a8937b4c52bcef528f"`
[INFO] [stdout] 9629df3911eb63c88d8d3cb435da6e93e71952dd68bdb1a8937b4c52bcef528f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] c247a22f2eb2bc55f7912964a4dbe2d8086c4f2a1f2c3a231bccc4976687cf40
[INFO] running `"docker" "start" "-a" "c247a22f2eb2bc55f7912964a4dbe2d8086c4f2a1f2c3a231bccc4976687cf40"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustfmt_test-1331eafbcf90817e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c247a22f2eb2bc55f7912964a4dbe2d8086c4f2a1f2c3a231bccc4976687cf40"`
[INFO] running `"docker" "rm" "-f" "c247a22f2eb2bc55f7912964a4dbe2d8086c4f2a1f2c3a231bccc4976687cf40"`
[INFO] [stdout] c247a22f2eb2bc55f7912964a4dbe2d8086c4f2a1f2c3a231bccc4976687cf40