[INFO] fetching crate riker-default 0.2.4...
[INFO] testing riker-default-0.2.4 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate riker-default 0.2.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate riker-default 0.2.4 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate riker-default 0.2.4
[INFO] finished tweaking crates.io crate riker-default 0.2.4
[INFO] tweaked toml for crates.io crate riker-default 0.2.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c205fa71e75fe3b1dca5cb6e7319a5e79d08620999fd603db798b8aca4d3229
[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" "3c205fa71e75fe3b1dca5cb6e7319a5e79d08620999fd603db798b8aca4d3229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c205fa71e75fe3b1dca5cb6e7319a5e79d08620999fd603db798b8aca4d3229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c205fa71e75fe3b1dca5cb6e7319a5e79d08620999fd603db798b8aca4d3229", kill_on_drop: false }`
[INFO] [stdout] 3c205fa71e75fe3b1dca5cb6e7319a5e79d08620999fd603db798b8aca4d3229
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ad2347c7bd579fbea2eacbbc8b832d7843ca75e5e3706330bd0060621d15b8b
[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" "5ad2347c7bd579fbea2eacbbc8b832d7843ca75e5e3706330bd0060621d15b8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling runtime-fmt v0.3.0
[INFO] [stderr]    Compiling riker v0.2.4
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/riker-0.2.4/src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |         await_macro,
[INFO] [stdout]   |         ^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: subsumed by `.await` syntax
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/riker-0.2.4/src/kernel/kernel.rs:257:29
[INFO] [stdout]     |
[INFO] [stdout] 257 |                     let _ = await!(AssertUnwindSafe(f).catch_unwind());
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `AssertUnwindSafe(f).catch_unwind().await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Position` in `v1`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/runtime-fmt-0.3.0/src/lib.rs:522:39
[INFO] [stdout]     |
[INFO] [stdout] 522 |                         position: v1::Position::At(i),
[INFO] [stdout]     |                                       ^^^^^^^^ not found in `v1`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 38  | use fmt_macros::Position;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Position` in `v1`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/runtime-fmt-0.3.0/src/lib.rs:544:39
[INFO] [stdout]     |
[INFO] [stdout] 544 |                         position: v1::Position::At(argument_pos),
[INFO] [stdout]     |                                       ^^^^^^^^ not found in `v1`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 38  | use fmt_macros::Position;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_xid_start` found for type `char` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/runtime-fmt-0.3.0/src/fmt_macros.rs:422:34
[INFO] [stdout]     |
[INFO] [stdout] 422 |             Some(&(pos, c)) if c.is_xid_start() => {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ method not found in `char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_xid_continue` found for type `char` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/runtime-fmt-0.3.0/src/fmt_macros.rs:431:18
[INFO] [stdout]     |
[INFO] [stdout] 431 |             if c.is_xid_continue() {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^ method not found in `char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 4 arguments but 3 arguments were supplied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/runtime-fmt-0.3.0/src/lib.rs:201:30
[INFO] [stdout]     |
[INFO] [stdout] 201 |             Some(ref fmt) => Arguments::new_v1_formatted(&pieces, &args, fmt),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ -------  -----  --- supplied 3 arguments
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              expected 4 arguments
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 4 arguments but 3 arguments were supplied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/runtime-fmt-0.3.0/src/lib.rs:268:30
[INFO] [stdout]     |
[INFO] [stdout] 268 |             Some(ref fmt) => Arguments::new_v1_formatted(&pieces, &self.inner.args, fmt),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ -------  ----------------  --- supplied 3 arguments
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              expected 4 arguments
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `runtime-fmt` due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5ad2347c7bd579fbea2eacbbc8b832d7843ca75e5e3706330bd0060621d15b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad2347c7bd579fbea2eacbbc8b832d7843ca75e5e3706330bd0060621d15b8b", kill_on_drop: false }`
[INFO] [stdout] 5ad2347c7bd579fbea2eacbbc8b832d7843ca75e5e3706330bd0060621d15b8b