[INFO] updating cached repository tkilbourn/rustfmt-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tkilbourn/rustfmt-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tkilbourn/rustfmt-test" "work/ex/beta-1.38-1/sources/1.37.0/gh/tkilbourn/rustfmt-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tkilbourn/rustfmt-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tkilbourn/rustfmt-test" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tkilbourn/rustfmt-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tkilbourn/rustfmt-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 08a4cc21f02c394f35451574da8ee8513b031621
[INFO] sha for GitHub repo tkilbourn/rustfmt-test: 08a4cc21f02c394f35451574da8ee8513b031621
[INFO] validating manifest of tkilbourn/rustfmt-test on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tkilbourn/rustfmt-test on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tkilbourn/rustfmt-test
[INFO] finished frobbing tkilbourn/rustfmt-test
[INFO] frobbed toml for tkilbourn/rustfmt-test written to work/ex/beta-1.38-1/sources/1.37.0/gh/tkilbourn/rustfmt-test/Cargo.toml
[INFO] started frobbing tkilbourn/rustfmt-test
[INFO] finished frobbing tkilbourn/rustfmt-test
[INFO] frobbed toml for tkilbourn/rustfmt-test written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tkilbourn/rustfmt-test/Cargo.toml
[INFO] crate tkilbourn/rustfmt-test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tkilbourn/rustfmt-test against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tkilbourn/rustfmt-test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 87cf7f5d9ebdd2e465a9cd2a7173fa744346c33dd14ca0c85eb01e85b71452ae
[INFO] running `"docker" "start" "-a" "87cf7f5d9ebdd2e465a9cd2a7173fa744346c33dd14ca0c85eb01e85b71452ae"`
[INFO] [stderr]    Compiling rustfmt-test v0.1.0 (/opt/crater/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 0.77s
[INFO] running `"docker" "inspect" "87cf7f5d9ebdd2e465a9cd2a7173fa744346c33dd14ca0c85eb01e85b71452ae"`
[INFO] running `"docker" "rm" "-f" "87cf7f5d9ebdd2e465a9cd2a7173fa744346c33dd14ca0c85eb01e85b71452ae"`
[INFO] [stdout] 87cf7f5d9ebdd2e465a9cd2a7173fa744346c33dd14ca0c85eb01e85b71452ae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tkilbourn/rustfmt-test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a9b11349746558d64094e16a2e4394033cf6ac2ce54442a0c4530f9e8eee52c0
[INFO] running `"docker" "start" "-a" "a9b11349746558d64094e16a2e4394033cf6ac2ce54442a0c4530f9e8eee52c0"`
[INFO] [stderr]    Compiling rustfmt-test v0.1.0 (/opt/crater/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 0.79s
[INFO] running `"docker" "inspect" "a9b11349746558d64094e16a2e4394033cf6ac2ce54442a0c4530f9e8eee52c0"`
[INFO] running `"docker" "rm" "-f" "a9b11349746558d64094e16a2e4394033cf6ac2ce54442a0c4530f9e8eee52c0"`
[INFO] [stdout] a9b11349746558d64094e16a2e4394033cf6ac2ce54442a0c4530f9e8eee52c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tkilbourn/rustfmt-test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ad76cda389f6477146ff6409e2c4007ebd08dd216a8300fca20db12add1c8830
[INFO] running `"docker" "start" "-a" "ad76cda389f6477146ff6409e2c4007ebd08dd216a8300fca20db12add1c8830"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustfmt_test-f2f1e3dc1df3b711
[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" "ad76cda389f6477146ff6409e2c4007ebd08dd216a8300fca20db12add1c8830"`
[INFO] running `"docker" "rm" "-f" "ad76cda389f6477146ff6409e2c4007ebd08dd216a8300fca20db12add1c8830"`
[INFO] [stdout] ad76cda389f6477146ff6409e2c4007ebd08dd216a8300fca20db12add1c8830