[INFO] updating cached repository dylanmckay/parapet
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dylanmckay/parapet
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dylanmckay/parapet" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/dylanmckay/parapet"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/dylanmckay/parapet'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dylanmckay/parapet" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/dylanmckay/parapet"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/dylanmckay/parapet'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1775f74c5ee18b9ed9b9c36f43ebd94e16c5d207
[INFO] sha for GitHub repo dylanmckay/parapet: 1775f74c5ee18b9ed9b9c36f43ebd94e16c5d207
[INFO] validating manifest of dylanmckay/parapet 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 dylanmckay/parapet 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 dylanmckay/parapet
[INFO] finished frobbing dylanmckay/parapet
[INFO] frobbed toml for dylanmckay/parapet written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/dylanmckay/parapet/Cargo.toml
[INFO] started frobbing dylanmckay/parapet
[INFO] finished frobbing dylanmckay/parapet
[INFO] frobbed toml for dylanmckay/parapet written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/dylanmckay/parapet/Cargo.toml
[INFO] crate dylanmckay/parapet 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 dylanmckay/parapet 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/dylanmckay/parapet:/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] e9bd927d0fab70fa359ceddd82235dca4b4bbe8302045a6ecdbb81118b6289be
[INFO] running `"docker" "start" "-a" "e9bd927d0fab70fa359ceddd82235dca4b4bbe8302045a6ecdbb81118b6289be"`
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking graphsearch v0.6.0
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking twox-hash v1.1.0
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking protocol v0.3.4
[INFO] [stderr]     Checking parapet v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ci/project.rs:13:22
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub sandbox: Box<ci::Sandbox>,
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: use `dyn`: `dyn ci::Sandbox`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ci/build.rs:46:42
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub fn work(work: Work, mut sandbox: Box<Sandbox>, sender: mpsc::Sender<WorkOutput>) {
[INFO] [stderr]    |                                          ^^^^^^^ help: use `dyn`: `dyn Sandbox`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ci/build.rs:66:43
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub fn task(task: Task, sandbox: &mut Box<Sandbox>) -> TaskResult
[INFO] [stderr]    |                                           ^^^^^^^ help: use `dyn`: `dyn Sandbox`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ci/project.rs:13:22
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub sandbox: Box<ci::Sandbox>,
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: use `dyn`: `dyn ci::Sandbox`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ci/build.rs:46:42
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub fn work(work: Work, mut sandbox: Box<Sandbox>, sender: mpsc::Sender<WorkOutput>) {
[INFO] [stderr]    |                                          ^^^^^^^ help: use `dyn`: `dyn Sandbox`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ci/build.rs:66:43
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub fn task(task: Task, sandbox: &mut Box<Sandbox>) -> TaskResult
[INFO] [stderr]    |                                           ^^^^^^^ help: use `dyn`: `dyn Sandbox`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `running_tasks`
[INFO] [stderr]   --> src/ci/dispatcher.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     running_tasks: HashMap<Uuid, Task>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `running_tasks`
[INFO] [stderr]   --> src/ci/dispatcher.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     running_tasks: HashMap<Uuid, Task>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.28s
[INFO] running `"docker" "inspect" "e9bd927d0fab70fa359ceddd82235dca4b4bbe8302045a6ecdbb81118b6289be"`
[INFO] running `"docker" "rm" "-f" "e9bd927d0fab70fa359ceddd82235dca4b4bbe8302045a6ecdbb81118b6289be"`
[INFO] [stdout] e9bd927d0fab70fa359ceddd82235dca4b4bbe8302045a6ecdbb81118b6289be