[INFO] crate unbase 0.0.2 is already in cache
[INFO] testing unbase-0.0.2 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate unbase 0.0.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate unbase 0.0.2 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unbase 0.0.2
[INFO] finished tweaking crates.io crate unbase 0.0.2
[INFO] tweaked toml for crates.io crate unbase 0.0.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07b2573463b138d661423b063873b2d8504bdfb59ea47cbc39b263fbb73eaa9c
[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" "07b2573463b138d661423b063873b2d8504bdfb59ea47cbc39b263fbb73eaa9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07b2573463b138d661423b063873b2d8504bdfb59ea47cbc39b263fbb73eaa9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07b2573463b138d661423b063873b2d8504bdfb59ea47cbc39b263fbb73eaa9c", kill_on_drop: false }`
[INFO] [stdout] 07b2573463b138d661423b063873b2d8504bdfb59ea47cbc39b263fbb73eaa9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fd78a4dc138009c11e78805e216b7fa62682bef2641f38a697f334fb9adab42
[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" "9fd78a4dc138009c11e78805e216b7fa62682bef2641f38a697f334fb9adab42", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling byte-tools v0.1.3
[INFO] [stderr]    Compiling futures-await-await-macro v0.1.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling generic-array v0.6.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling digest-buffer v0.2.0
[INFO] [stderr]    Compiling digest v0.4.0
[INFO] [stderr]    Compiling sha2 v0.4.2
[INFO] [stderr]    Compiling futures-await-async-macro v0.1.4
[INFO] [stderr]    Compiling futures-await v0.1.1
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-await-0.1.1/src/lib.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(on_unimplemented)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: this is an internal attribute that will never be stable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-await-0.1.1/src/lib.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | /     #[rustc_on_unimplemented = "async functions must return a `Result` or \
[INFO] [stdout] 65 | |                                 a typedef of `Result`"]
[INFO] [stdout]    | |_______________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(rustc_attrs)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `resume` found for type parameter `T` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-await-0.1.1/src/lib.rs:120:35
[INFO] [stdout]     |
[INFO] [stdout] 120 |             match unsafe { self.0.resume() } {
[INFO] [stdout]     |                                   ^^^^^^ method not found in `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `resume` found for type parameter `T` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-await-0.1.1/src/lib.rs:140:37
[INFO] [stdout]     |
[INFO] [stdout] 140 |             match unsafe { self.gen.resume() } {
[INFO] [stdout]     |                                     ^^^^^^ method not found in `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0599, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-await`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9fd78a4dc138009c11e78805e216b7fa62682bef2641f38a697f334fb9adab42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd78a4dc138009c11e78805e216b7fa62682bef2641f38a697f334fb9adab42", kill_on_drop: false }`
[INFO] [stdout] 9fd78a4dc138009c11e78805e216b7fa62682bef2641f38a697f334fb9adab42