[INFO] cloning repository https://github.com/Avi-D-coder/gc-gat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Avi-D-coder/gc-gat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAvi-D-coder%2Fgc-gat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAvi-D-coder%2Fgc-gat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efc8568d82c73f336b277cc558eab69deb69aef1
[INFO] checking Avi-D-coder/gc-gat against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAvi-D-coder%2Fgc-gat" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Avi-D-coder/gc-gat on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Avi-D-coder/gc-gat
[INFO] finished tweaking git repo https://github.com/Avi-D-coder/gc-gat
[INFO] tweaked toml for git repo https://github.com/Avi-D-coder/gc-gat written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Avi-D-coder/gc-gat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2051dd1d873a611bd778fbdaf35bf508127f23147bb30f67bad22e49225b2491
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2051dd1d873a611bd778fbdaf35bf508127f23147bb30f67bad22e49225b2491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2051dd1d873a611bd778fbdaf35bf508127f23147bb30f67bad22e49225b2491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2051dd1d873a611bd778fbdaf35bf508127f23147bb30f67bad22e49225b2491", kill_on_drop: false }`
[INFO] [stdout] 2051dd1d873a611bd778fbdaf35bf508127f23147bb30f67bad22e49225b2491
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61acfc2432cf98834929077751e69e56df4bb10dbe71285710ba7456ea6dc1bd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "61acfc2432cf98834929077751e69e56df4bb10dbe71285710ba7456ea6dc1bd", kill_on_drop: false }`
[INFO] [stderr]     Checking gc-gat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `<_ as Life>::L<'_> == T`
[INFO] [stdout]    --> src/main.rs:175:24
[INFO] [stdout]     |
[INFO] [stdout] 175 |             List::from(Elem::gc(arena, self, value))
[INFO] [stdout]     |                        ^^^^^^^^ cannot satisfy `<_ as Life>::L<'_> == T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gc-gat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: the trait bound `List<'_, T>: Life` is not satisfied
[INFO] [stdout]    --> src/main.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub struct Elem<'r, T: 'r + Life> {
[INFO] [stdout]     |                                 ---- required by this bound in `Elem`
[INFO] [stdout] ...
[INFO] [stdout] 199 |         fn foo<'r, T: Live<'r>>(ll: &Arena<Elem<List<T>>>, lt: &Arena<Elem<T>>, value: T) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^ the trait `Life` is not implemented for `List<'_, T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: auto_traits::Immutable` is not satisfied
[INFO] [stdout]    --> src/main.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub struct List<'r, T: 'r + Life>(Option<Gc<'r, Elem<'r, T>>>);
[INFO] [stdout]     |                                 ---- required by this bound in `List`
[INFO] [stdout] ...
[INFO] [stdout] 199 |         fn foo<'r, T: Live<'r>>(ll: &Arena<Elem<List<T>>>, lt: &Arena<Elem<T>>, value: T) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^ the trait `auto_traits::Immutable` is not implemented for `T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Life` for `T`
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 199 |         fn foo<'r, T: Live<'r> + auto_traits::Immutable>(ll: &Arena<Elem<List<T>>>, lt: &Arena<Elem<T>>, value: T) {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: NotDerived` is not satisfied
[INFO] [stdout]    --> src/main.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub struct List<'r, T: 'r + Life>(Option<Gc<'r, Elem<'r, T>>>);
[INFO] [stdout]     |                                 ---- required by this bound in `List`
[INFO] [stdout] ...
[INFO] [stdout] 199 |         fn foo<'r, T: Live<'r>>(ll: &Arena<Elem<List<T>>>, lt: &Arena<Elem<T>>, value: T) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^ the trait `NotDerived` is not implemented for `T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Life` for `T`
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 199 |         fn foo<'r, T: Live<'r> + NotDerived>(ll: &Arena<Elem<List<T>>>, lt: &Arena<Elem<T>>, value: T) {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "61acfc2432cf98834929077751e69e56df4bb10dbe71285710ba7456ea6dc1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61acfc2432cf98834929077751e69e56df4bb10dbe71285710ba7456ea6dc1bd", kill_on_drop: false }`
[INFO] [stdout] 61acfc2432cf98834929077751e69e56df4bb10dbe71285710ba7456ea6dc1bd
