[INFO] updating cached repository https://github.com/parrottq/tworld
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] adf9f959c37573b18914e8885e1fdaf9e655017e
[INFO] checking parrottq/tworld against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparrottq%2Ftworld" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/parrottq/tworld on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/parrottq/tworld
[INFO] finished tweaking git repo https://github.com/parrottq/tworld
[INFO] tweaked toml for git repo https://github.com/parrottq/tworld written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/parrottq/tworld already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a621ffbd8b3296fd68b0b7c191236d083a505d8acd52ac5eb3e4d7bca25adc86
[INFO] running `"docker" "start" "-a" "a621ffbd8b3296fd68b0b7c191236d083a505d8acd52ac5eb3e4d7bca25adc86"`
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking tworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parsing.rs:120:22
[INFO] [stderr]     |
[INFO] [stderr] 120 |         reader: &mut FnMut(&mut Self) -> T,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self) -> T`
[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/parsing.rs:121:21
[INFO] [stderr]     |
[INFO] [stderr] 121 |         sizer: &mut FnMut(&mut Self) -> G,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self) -> G`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |         writer: &mut FnMut(&mut Self, T),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:19:23
[INFO] [stderr]    |
[INFO] [stderr] 19 |         counter: &mut FnMut(&mut Self, G),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, G)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:62:22
[INFO] [stderr]    |
[INFO] [stderr] 62 |         writer: &mut FnMut(&mut Self, T),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:63:23
[INFO] [stderr]    |
[INFO] [stderr] 63 |         counter: &mut FnMut(&mut Self, G),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, G)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parsing.rs:120:22
[INFO] [stderr]     |
[INFO] [stderr] 120 |         reader: &mut FnMut(&mut Self) -> T,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self) -> T`
[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/parsing.rs:121:21
[INFO] [stderr]     |
[INFO] [stderr] 121 |         sizer: &mut FnMut(&mut Self) -> G,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self) -> G`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |         writer: &mut FnMut(&mut Self, T),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:19:23
[INFO] [stderr]    |
[INFO] [stderr] 19 |         counter: &mut FnMut(&mut Self, G),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, G)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:62:22
[INFO] [stderr]    |
[INFO] [stderr] 62 |         writer: &mut FnMut(&mut Self, T),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:63:23
[INFO] [stderr]    |
[INFO] [stderr] 63 |         counter: &mut FnMut(&mut Self, G),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, G)`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.94s
[INFO] running `"docker" "inspect" "a621ffbd8b3296fd68b0b7c191236d083a505d8acd52ac5eb3e4d7bca25adc86"`
[INFO] running `"docker" "rm" "-f" "a621ffbd8b3296fd68b0b7c191236d083a505d8acd52ac5eb3e4d7bca25adc86"`
[INFO] [stdout] a621ffbd8b3296fd68b0b7c191236d083a505d8acd52ac5eb3e4d7bca25adc86