[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-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/grissiom/elfvars"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/grissiom/elfvars'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/grissiom/elfvars" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/grissiom/elfvars"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of grissiom/elfvars on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-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-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking grissiom/elfvars against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6b18458d51ed0091eb69016dd36e50964aa94ff4b28d288c28f65dd738fa3078
[INFO] running `"docker" "start" "-a" "6b18458d51ed0091eb69016dd36e50964aa94ff4b28d288c28f65dd738fa3078"`
[INFO] [stderr]    Compiling syn v0.11.4
[INFO] [stderr]     Checking xmas-elf v0.3.0
[INFO] [stderr]     Checking serde_json v0.9.6
[INFO] [stderr]     Checking gimli v0.11.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.13.0
[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 16.50s
[INFO] running `"docker" "inspect" "6b18458d51ed0091eb69016dd36e50964aa94ff4b28d288c28f65dd738fa3078"`
[INFO] running `"docker" "rm" "-f" "6b18458d51ed0091eb69016dd36e50964aa94ff4b28d288c28f65dd738fa3078"`
[INFO] [stdout] 6b18458d51ed0091eb69016dd36e50964aa94ff4b28d288c28f65dd738fa3078