[INFO] fetching crate axon 0.3.0...
[INFO] checking axon-0.3.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate axon 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate axon 0.3.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate axon 0.3.0
[INFO] finished tweaking crates.io crate axon 0.3.0
[INFO] tweaked toml for crates.io crate axon 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate axon 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded slab v0.4.1
[INFO] [stderr]   Downloaded quote v0.6.10
[INFO] [stderr]   Downloaded proc-macro2 v0.4.24
[INFO] [stderr]   Downloaded lazycell v1.2.0
[INFO] [stderr]   Downloaded cc v1.0.25
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded nix v0.15.0
[INFO] [stderr]   Downloaded mio v0.6.16
[INFO] [stderr]   Downloaded syn v0.15.23
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded osaka-macros v0.2.10
[INFO] [stderr]   Downloaded osaka v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d627a6ca141e400850d8b843f48a05a058bf0616c95d89dcf0f9b36af1878a2
[INFO] running `Command { std: "docker" "start" "-a" "7d627a6ca141e400850d8b843f48a05a058bf0616c95d89dcf0f9b36af1878a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d627a6ca141e400850d8b843f48a05a058bf0616c95d89dcf0f9b36af1878a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d627a6ca141e400850d8b843f48a05a058bf0616c95d89dcf0f9b36af1878a2", kill_on_drop: false }`
[INFO] [stdout] 7d627a6ca141e400850d8b843f48a05a058bf0616c95d89dcf0f9b36af1878a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d5c3495018db8d9a7424371a0fb6bd79111789cb69816fcdd02eadc0cee05f6
[INFO] running `Command { std: "docker" "start" "-a" "6d5c3495018db8d9a7424371a0fb6bd79111789cb69816fcdd02eadc0cee05f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]    Compiling osaka-macros v0.2.10
[INFO] [stderr]     Checking osaka v0.3.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/osaka-0.3.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait, register_attr)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `coroutines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/osaka-0.3.0/src/lib.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait, register_attr)]
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::ops::Generator`, `std::ops::GeneratorState`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/osaka-0.3.0/src/lib.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ops::{Generator, GeneratorState};
[INFO] [stdout]    |                ^^^^^^^^^  ^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                no `Generator` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `register_attr` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/osaka-0.3.0/src/lib.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![register_attr(osaka)]
[INFO] [stdout]   |    ^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `register_tool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `generator_trait`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/osaka-0.3.0/src/lib.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait, register_attr)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `report` has an incompatible type for trait
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/osaka-0.3.0/src/lib.rs:380:28
[INFO] [stdout]     |
[INFO] [stdout] 380 |     fn report(mut self) -> i32 {
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            expected `ExitCode`, found `i32`
[INFO] [stdout]     |                            help: change the output type to match the trait: `ExitCode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(Task<_>) -> ExitCode`
[INFO] [stdout]                found signature `fn(Task<_>) -> i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0432, E0557, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `osaka` (lib) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "6d5c3495018db8d9a7424371a0fb6bd79111789cb69816fcdd02eadc0cee05f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d5c3495018db8d9a7424371a0fb6bd79111789cb69816fcdd02eadc0cee05f6", kill_on_drop: false }`
[INFO] [stdout] 6d5c3495018db8d9a7424371a0fb6bd79111789cb69816fcdd02eadc0cee05f6
[INFO] checking axon-0.3.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate axon 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate axon 0.3.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate axon 0.3.0
[INFO] finished tweaking crates.io crate axon 0.3.0
[INFO] tweaked toml for crates.io crate axon 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate axon 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a72982620cf96fb5f4c25a27419b032e2e6cf0c866943f8ab28adfce9ebd2ce
[INFO] running `Command { std: "docker" "start" "-a" "9a72982620cf96fb5f4c25a27419b032e2e6cf0c866943f8ab28adfce9ebd2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a72982620cf96fb5f4c25a27419b032e2e6cf0c866943f8ab28adfce9ebd2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a72982620cf96fb5f4c25a27419b032e2e6cf0c866943f8ab28adfce9ebd2ce", kill_on_drop: false }`
[INFO] [stdout] 9a72982620cf96fb5f4c25a27419b032e2e6cf0c866943f8ab28adfce9ebd2ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94cb85adb4e449db0113e8966f05e379b3a7938766b949f43f24e560094d6cd7
[INFO] running `Command { std: "docker" "start" "-a" "94cb85adb4e449db0113e8966f05e379b3a7938766b949f43f24e560094d6cd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]    Compiling osaka-macros v0.2.10
[INFO] [stderr]     Checking osaka v0.3.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/osaka-0.3.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait, register_attr)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `coroutines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/osaka-0.3.0/src/lib.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait, register_attr)]
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::ops::Generator`, `std::ops::GeneratorState`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/osaka-0.3.0/src/lib.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ops::{Generator, GeneratorState};
[INFO] [stdout]    |                ^^^^^^^^^  ^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                no `Generator` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `register_attr` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/osaka-0.3.0/src/lib.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![register_attr(osaka)]
[INFO] [stdout]   |    ^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `register_tool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `generator_trait`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/osaka-0.3.0/src/lib.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait, register_attr)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `report` has an incompatible type for trait
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/osaka-0.3.0/src/lib.rs:380:28
[INFO] [stdout]     |
[INFO] [stdout] 380 |     fn report(mut self) -> i32 {
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            expected `ExitCode`, found `i32`
[INFO] [stdout]     |                            help: change the output type to match the trait: `ExitCode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(Task<_>) -> ExitCode`
[INFO] [stdout]                found signature `fn(Task<_>) -> i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0432, E0557, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `osaka` (lib) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "94cb85adb4e449db0113e8966f05e379b3a7938766b949f43f24e560094d6cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94cb85adb4e449db0113e8966f05e379b3a7938766b949f43f24e560094d6cd7", kill_on_drop: false }`
[INFO] [stdout] 94cb85adb4e449db0113e8966f05e379b3a7938766b949f43f24e560094d6cd7
