[INFO] updating cached repository https://github.com/DanielMowitz/U4x
[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] 9376fe999851b04e273da2ee86a0cd3328d2dbe4
[INFO] checking DanielMowitz/U4x against try#8810c24b0958114d8dbb32d878444e8956fce80f for pr-66063
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielMowitz%2FU4x" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DanielMowitz/U4x on toolchain 8810c24b0958114d8dbb32d878444e8956fce80f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/DanielMowitz/U4x
[INFO] finished tweaking git repo https://github.com/DanielMowitz/U4x
[INFO] tweaked toml for git repo https://github.com/DanielMowitz/U4x written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/DanielMowitz/U4x already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=allow" "-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" "+8810c24b0958114d8dbb32d878444e8956fce80f" "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] b89cc4dfc8006972401b0bf40b28f5082fa0bce13c71c524e5dd1104e1539efe
[INFO] running `"docker" "start" "-a" "b89cc4dfc8006972401b0bf40b28f5082fa0bce13c71c524e5dd1104e1539efe"`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling sdl2-sys v0.32.5
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking sdl2 v0.32.1
[INFO] [stderr]     Checking frame v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(duration_float)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_float_secs` found for type `std::time::Duration` in the current scope
[INFO] [stderr]    --> src/dispatcher/mod.rs:109:58
[INFO] [stderr]     |
[INFO] [stderr] 109 |                             self.dt = self.current_stack_start_time.elapsed().as_float_secs();
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^^^ method not found in `std::time::Duration`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(duration_float)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_float_secs` found for type `std::time::Duration` in the current scope
[INFO] [stderr]    --> src/dispatcher/mod.rs:143:47
[INFO] [stderr]     |
[INFO] [stderr] 143 |             if self.current_stack_start_time.elapsed().as_float_secs() >= self.max_stack_time {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^ method not found in `std::time::Duration`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_float_secs` found for type `std::time::Duration` in the current scope
[INFO] [stderr]    --> src/dispatcher/mod.rs:173:51
[INFO] [stderr]     |
[INFO] [stderr] 173 |                             if self.current_stack_start_time.elapsed().as_float_secs() >= self.max_stack_time {
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^^^ method not found in `std::time::Duration`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `frame`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `as_float_secs` found for type `std::time::Duration` in the current scope
[INFO] [stderr]    --> src/dispatcher/mod.rs:109:58
[INFO] [stderr]     |
[INFO] [stderr] 109 |                             self.dt = self.current_stack_start_time.elapsed().as_float_secs();
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^^^ method not found in `std::time::Duration`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_float_secs` found for type `std::time::Duration` in the current scope
[INFO] [stderr]    --> src/dispatcher/mod.rs:143:47
[INFO] [stderr]     |
[INFO] [stderr] 143 |             if self.current_stack_start_time.elapsed().as_float_secs() >= self.max_stack_time {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^ method not found in `std::time::Duration`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_float_secs` found for type `std::time::Duration` in the current scope
[INFO] [stderr]    --> src/dispatcher/mod.rs:173:51
[INFO] [stderr]     |
[INFO] [stderr] 173 |                             if self.current_stack_start_time.elapsed().as_float_secs() >= self.max_stack_time {
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^^^ method not found in `std::time::Duration`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `frame`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b89cc4dfc8006972401b0bf40b28f5082fa0bce13c71c524e5dd1104e1539efe"`
[INFO] running `"docker" "rm" "-f" "b89cc4dfc8006972401b0bf40b28f5082fa0bce13c71c524e5dd1104e1539efe"`
[INFO] [stdout] b89cc4dfc8006972401b0bf40b28f5082fa0bce13c71c524e5dd1104e1539efe