[INFO] updating cached repository ian-hamlin/qrgen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ian-hamlin/qrgen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ian-hamlin/qrgen" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/ian-hamlin/qrgen"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/ian-hamlin/qrgen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ian-hamlin/qrgen" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/ian-hamlin/qrgen"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/ian-hamlin/qrgen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 283c5020c1bf672210f15ae4ee199a77687385ef
[INFO] sha for GitHub repo ian-hamlin/qrgen: 283c5020c1bf672210f15ae4ee199a77687385ef
[INFO] validating manifest of ian-hamlin/qrgen on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ian-hamlin/qrgen on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ian-hamlin/qrgen
[INFO] finished frobbing ian-hamlin/qrgen
[INFO] frobbed toml for ian-hamlin/qrgen written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/ian-hamlin/qrgen/Cargo.toml
[INFO] started frobbing ian-hamlin/qrgen
[INFO] finished frobbing ian-hamlin/qrgen
[INFO] frobbed toml for ian-hamlin/qrgen written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/ian-hamlin/qrgen/Cargo.toml
[INFO] crate ian-hamlin/qrgen already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking ian-hamlin/qrgen against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/ian-hamlin/qrgen:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 98a5880928c3e52c42abd61780c78d41809cee6b74110e09003e9cdfd63529b9
[INFO] running `"docker" "start" "-a" "98a5880928c3e52c42abd61780c78d41809cee6b74110e09003e9cdfd63529b9"`
[INFO] [stderr]     Checking qrcodegen v1.4.0
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]     Checking regex v1.1.6
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking qrgen v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/exporter.rs:47:48
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn export(&mut self) -> 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/exporter.rs:82:25
[INFO] [stderr]    |
[INFO] [stderr] 82 |     ) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/exporter.rs:107:25
[INFO] [stderr]     |
[INFO] [stderr] 107 |     ) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generator.rs:39:67
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn process_file(&self, file_path: &PathBuf) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/exporter.rs:47:48
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn export(&mut self) -> 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/exporter.rs:82:25
[INFO] [stderr]    |
[INFO] [stderr] 82 |     ) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/exporter.rs:107:25
[INFO] [stderr]     |
[INFO] [stderr] 107 |     ) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generator.rs:39:67
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn process_file(&self, file_path: &PathBuf) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.89s
[INFO] running `"docker" "inspect" "98a5880928c3e52c42abd61780c78d41809cee6b74110e09003e9cdfd63529b9"`
[INFO] running `"docker" "rm" "-f" "98a5880928c3e52c42abd61780c78d41809cee6b74110e09003e9cdfd63529b9"`
[INFO] [stdout] 98a5880928c3e52c42abd61780c78d41809cee6b74110e09003e9cdfd63529b9