[INFO] updating cached repository https://github.com/Reconcyl/flobnar
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 964a4771fd1ab215ff8d004571a7a838511371fa
[INFO] checking Reconcyl/flobnar against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FReconcyl%2Fflobnar" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Reconcyl/flobnar on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Reconcyl/flobnar
[INFO] finished tweaking git repo https://github.com/Reconcyl/flobnar
[INFO] tweaked toml for git repo https://github.com/Reconcyl/flobnar written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Reconcyl/flobnar already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 772bab0ff2015f7cccf7127b92b320e14605058601237beb5622e4d38aa59da9
[INFO] running `"docker" "start" "-a" "772bab0ff2015f7cccf7127b92b320e14605058601237beb5622e4d38aa59da9"`
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking flobnar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]  --> src/interpret.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::boxed::FnBox;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]  --> src/interpret.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::boxed::FnBox;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `Rand` is never used
[INFO] [stderr]    --> src/interpret.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 | enum EvalTrampoline<Rand, R, W> {
[INFO] [stderr]     |                     ^^^^ unused parameter
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `Rand` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `R` is never used
[INFO] [stderr]    --> src/interpret.rs:118:27
[INFO] [stderr]     |
[INFO] [stderr] 118 | enum EvalTrampoline<Rand, R, W> {
[INFO] [stderr]     |                           ^ unused parameter
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `R` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `W` is never used
[INFO] [stderr]    --> src/interpret.rs:118:30
[INFO] [stderr]     |
[INFO] [stderr] 118 | enum EvalTrampoline<Rand, R, W> {
[INFO] [stderr]     |                              ^ unused parameter
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `W` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `Rand` is never used
[INFO] [stderr]    --> src/interpret.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 | enum EvalTrampoline<Rand, R, W> {
[INFO] [stderr]     |                     ^^^^ unused parameter
[INFO] [stderr] error[E0392]: parameter `Rand` is never used
[INFO] [stderr]    --> src/interpret.rs:617:19
[INFO] [stderr]     |
[INFO] [stderr] 617 |         enum Task<Rand, R, W> {
[INFO] [stderr]     |                   ^^^^ unused parameter
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `Rand` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `R` is never used
[INFO] [stderr]    --> src/interpret.rs:617:25
[INFO] [stderr]     |
[INFO] [stderr] 617 |         enum Task<Rand, R, W> {
[INFO] [stderr]     |                         ^ unused parameter
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `R` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `W` is never used
[INFO] [stderr]    --> src/interpret.rs:617:28
[INFO] [stderr]     |
[INFO] [stderr] 617 |         enum Task<Rand, R, W> {
[INFO] [stderr]     |                            ^ unused parameter
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `W` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `Rand` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `R` is never used
[INFO] [stderr]    --> src/interpret.rs:118:27
[INFO] [stderr]     |
[INFO] [stderr] 118 | enum EvalTrampoline<Rand, R, W> {
[INFO] [stderr]     |                           ^ unused parameter
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `R` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `W` is never used
[INFO] [stderr]    --> src/interpret.rs:118:30
[INFO] [stderr]     |
[INFO] [stderr] 118 | enum EvalTrampoline<Rand, R, W> {
[INFO] [stderr]     |                              ^ unused parameter
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `W` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `Rand` is never used
[INFO] [stderr]    --> src/interpret.rs:617:19
[INFO] [stderr]     |
[INFO] [stderr] 617 |         enum Task<Rand, R, W> {
[INFO] [stderr]     |                   ^^^^ unused parameter
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `Rand` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `R` is never used
[INFO] [stderr]    --> src/interpret.rs:617:25
[INFO] [stderr]     |
[INFO] [stderr] 617 |         enum Task<Rand, R, W> {
[INFO] [stderr]     |                         ^ unused parameter
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `R` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `W` is never used
[INFO] [stderr]    --> src/interpret.rs:617:28
[INFO] [stderr]     |
[INFO] [stderr] 617 |         enum Task<Rand, R, W> {
[INFO] [stderr]     |                            ^ unused parameter
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `W` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0392, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0392`.
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0392, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0392`.
[INFO] [stderr] error: Could not compile `flobnar`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `flobnar`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "772bab0ff2015f7cccf7127b92b320e14605058601237beb5622e4d38aa59da9"`
[INFO] running `"docker" "rm" "-f" "772bab0ff2015f7cccf7127b92b320e14605058601237beb5622e4d38aa59da9"`
[INFO] [stdout] 772bab0ff2015f7cccf7127b92b320e14605058601237beb5622e4d38aa59da9