[INFO] fetching crate mapcomp 0.2.2...
[INFO] checking mapcomp-0.2.2 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate mapcomp 0.2.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate mapcomp 0.2.2 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mapcomp 0.2.2
[INFO] finished tweaking crates.io crate mapcomp 0.2.2
[INFO] tweaked toml for crates.io crate mapcomp 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92280ecebaf20ff176886a34998fbb505178c754d73add89dcee4dff52359f65
[INFO] running `Command { std: "docker" "start" "-a" "92280ecebaf20ff176886a34998fbb505178c754d73add89dcee4dff52359f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92280ecebaf20ff176886a34998fbb505178c754d73add89dcee4dff52359f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92280ecebaf20ff176886a34998fbb505178c754d73add89dcee4dff52359f65", kill_on_drop: false }`
[INFO] [stdout] 92280ecebaf20ff176886a34998fbb505178c754d73add89dcee4dff52359f65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13b5e735cf9c3bfa1b93f4722c5c869a36fd6056feaee93c0ba90d509bcdd8af
[INFO] running `Command { std: "docker" "start" "-a" "13b5e735cf9c3bfa1b93f4722c5c869a36fd6056feaee93c0ba90d509bcdd8af", kill_on_drop: false }`
[INFO] [stderr]     Checking mapcomp v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | #![feature(generators, generator_trait, arbitrary_self_types)]
[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]   --> src/lib.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | #![feature(generators, generator_trait, arbitrary_self_types)]
[INFO] [stdout]    |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: renamed to `coroutines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::ops::GeneratorState`
[INFO] [stdout]   --> src/lib.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         use ::std::ops::GeneratorState;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::ops::GeneratorState`
[INFO] [stdout]   --> src/lib.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         use ::std::ops::GeneratorState;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Generator` in module `std::ops`
[INFO] [stdout]   --> src/lib.rs:56:45
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct GeneratorIterator<G: ::std::ops::Generator + ::std::marker::Unpin> {
[INFO] [stdout]    |                                             ^^^^^^^^^ not found in `std::ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Generator` in module `std::ops`
[INFO] [stdout]   --> src/lib.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl<G: ::std::ops::Generator + ::std::marker::Unpin> GeneratorIterator<G> {
[INFO] [stdout]    |                     ^^^^^^^^^ not found in `std::ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Generator` in module `std::ops`
[INFO] [stdout]   --> src/lib.rs:56:45
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct GeneratorIterator<G: ::std::ops::Generator + ::std::marker::Unpin> {
[INFO] [stdout]    |                                             ^^^^^^^^^ not found in `std::ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Generator` in module `std::ops`
[INFO] [stdout]   --> src/lib.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl<G: ::std::ops::Generator + ::std::marker::Unpin> GeneratorIterator<G> {
[INFO] [stdout]    |                     ^^^^^^^^^ not found in `std::ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Generator` in module `std::ops`
[INFO] [stdout]   --> src/lib.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl<G: ::std::ops::Generator + ::std::marker::Unpin> Iterator for GeneratorIterator<G> {
[INFO] [stdout]    |                     ^^^^^^^^^ not found in `std::ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Generator` in module `std::ops`
[INFO] [stdout]   --> src/lib.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl<G: ::std::ops::Generator + ::std::marker::Unpin> Iterator for GeneratorIterator<G> {
[INFO] [stdout]    |                     ^^^^^^^^^ not found in `std::ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `generator_trait`
[INFO] [stdout]   --> src/lib.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 | #![feature(generators, generator_trait, arbitrary_self_types)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `generator_trait`
[INFO] [stdout]   --> src/lib.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 | #![feature(generators, generator_trait, arbitrary_self_types)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432, E0557, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432, E0557, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mapcomp` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mapcomp` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "13b5e735cf9c3bfa1b93f4722c5c869a36fd6056feaee93c0ba90d509bcdd8af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13b5e735cf9c3bfa1b93f4722c5c869a36fd6056feaee93c0ba90d509bcdd8af", kill_on_drop: false }`
[INFO] [stdout] 13b5e735cf9c3bfa1b93f4722c5c869a36fd6056feaee93c0ba90d509bcdd8af