[INFO] updating cached repository grissiom/elfvars
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/grissiom/elfvars
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/grissiom/elfvars" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/grissiom/elfvars"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/grissiom/elfvars'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/grissiom/elfvars" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/grissiom/elfvars"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/grissiom/elfvars'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12a72cecbb683bb8a379cbd63869dd715b179964
[INFO] sha for GitHub repo grissiom/elfvars: 12a72cecbb683bb8a379cbd63869dd715b179964
[INFO] validating manifest of grissiom/elfvars on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of grissiom/elfvars on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing grissiom/elfvars
[INFO] finished frobbing grissiom/elfvars
[INFO] frobbed toml for grissiom/elfvars written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/grissiom/elfvars/Cargo.toml
[INFO] started frobbing grissiom/elfvars
[INFO] finished frobbing grissiom/elfvars
[INFO] frobbed toml for grissiom/elfvars written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/grissiom/elfvars/Cargo.toml
[INFO] crate grissiom/elfvars already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking grissiom/elfvars against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-2/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/grissiom/elfvars:/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=forbid" "-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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7f54da2d23dc76ebbde1c4039d271cc4970d858e435509d29a7c0a24513aa16f
[INFO] running `"docker" "start" "-a" "7f54da2d23dc76ebbde1c4039d271cc4970d858e435509d29a7c0a24513aa16f"`
[INFO] [stderr]     Checking leb128 v0.2.1
[INFO] [stderr]     Checking xmas-elf v0.3.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.13.0
[INFO] [stderr]     Checking env_logger v0.4.0
[INFO] [stderr]     Checking gimli v0.11.0
[INFO] [stderr]    Compiling serde_derive v0.9.7
[INFO] [stderr]     Checking elfvars v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Debug`
[INFO] [stderr]   --> src/main.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::fmt::{self, Debug};
[INFO] [stderr]    |                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Debug`
[INFO] [stderr]   --> src/main.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::fmt::{self, Debug};
[INFO] [stderr]    |                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]    --> src/main.rs:279:55
[INFO] [stderr]     |
[INFO] [stderr] 279 |                 if let gimli::AttributeValue::UnitRef(offset) = attr.value() {
[INFO] [stderr]     |                                                       ^^^^^^ help: consider prefixing with an underscore: `_offset`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]    --> src/main.rs:279:55
[INFO] [stderr]     |
[INFO] [stderr] 279 |                 if let gimli::AttributeValue::UnitRef(offset) = attr.value() {
[INFO] [stderr]     |                                                       ^^^^^^ help: consider prefixing with an underscore: `_offset`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.50s
[INFO] running `"docker" "inspect" "7f54da2d23dc76ebbde1c4039d271cc4970d858e435509d29a7c0a24513aa16f"`
[INFO] running `"docker" "rm" "-f" "7f54da2d23dc76ebbde1c4039d271cc4970d858e435509d29a7c0a24513aa16f"`
[INFO] [stdout] 7f54da2d23dc76ebbde1c4039d271cc4970d858e435509d29a7c0a24513aa16f