[INFO] fetching crate magic-ring-buffer 0.1.0...
[INFO] testing magic-ring-buffer-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate magic-ring-buffer 0.1.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate magic-ring-buffer 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate magic-ring-buffer 0.1.0
[INFO] finished tweaking crates.io crate magic-ring-buffer 0.1.0
[INFO] tweaked toml for crates.io crate magic-ring-buffer 0.1.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9249e914a37dc1ae900d3271b55404b78609f6b5867ec9f694d98ca64fc0e545
[INFO] running `Command { std: "docker" "start" "-a" "9249e914a37dc1ae900d3271b55404b78609f6b5867ec9f694d98ca64fc0e545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9249e914a37dc1ae900d3271b55404b78609f6b5867ec9f694d98ca64fc0e545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9249e914a37dc1ae900d3271b55404b78609f6b5867ec9f694d98ca64fc0e545", kill_on_drop: false }`
[INFO] [stdout] 9249e914a37dc1ae900d3271b55404b78609f6b5867ec9f694d98ca64fc0e545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f107f63dae96d42042f7dc20931780fb3590c752e435b7b0bba1bb08239fa271
[INFO] running `Command { std: "docker" "start" "-a" "f107f63dae96d42042f7dc20931780fb3590c752e435b7b0bba1bb08239fa271", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling strum v0.13.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling likely v0.1.0
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling strum_macros v0.13.0
[INFO] [stderr]    Compiling file-descriptors v0.8.7
[INFO] [stdout] error[E0432]: unresolved import `std::io::Initializer`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/file-descriptors-0.8.7/src/lib.rs:176:7
[INFO] [stdout]     |
[INFO] [stdout] 176 |         use ::std::io::Initializer;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^ no `Initializer` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `initializer` is not a member of trait `Read`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/file-descriptors-0.8.7/src/character_device/CharacterDeviceFileDescriptor.rs:125:2
[INFO] [stdout]     |
[INFO] [stdout] 125 | /     unsafe fn initializer(&self) -> Initializer
[INFO] [stdout] 126 | |     {
[INFO] [stdout] 127 | |         Initializer::nop()
[INFO] [stdout] 128 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `initializer` is not a member of trait `Read`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/file-descriptors-0.8.7/src/pipes_and_fifos/ReceivePipeFileDescriptor.rs:118:2
[INFO] [stdout]     |
[INFO] [stdout] 118 | /     unsafe fn initializer(&self) -> Initializer
[INFO] [stdout] 119 | |     {
[INFO] [stdout] 120 | |         Initializer::nop()
[INFO] [stdout] 121 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `initializer` is not a member of trait `Read`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/file-descriptors-0.8.7/src/socket/StreamingSocketFileDescriptor.rs:175:2
[INFO] [stdout]     |
[INFO] [stdout] 175 | /     unsafe fn initializer(&self) -> Initializer
[INFO] [stdout] 176 | |     {
[INFO] [stdout] 177 | |         Initializer::nop()
[INFO] [stdout] 178 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `initializer` is not a member of trait `Read`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/file-descriptors-0.8.7/src/socket/StreamingSocketFileDescriptorEnum.rs:59:2
[INFO] [stdout]    |
[INFO] [stdout] 59 | /     unsafe fn initializer(&self) -> Initializer
[INFO] [stdout] 60 | |     {
[INFO] [stdout] 61 | |         Initializer::nop()
[INFO] [stdout] 62 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `initializer` is not a member of trait `Read`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/file-descriptors-0.8.7/src/terminal/TerminalFileDescriptor.rs:69:2
[INFO] [stdout]    |
[INFO] [stdout] 69 | /     unsafe fn initializer(&self) -> Initializer
[INFO] [stdout] 70 | |     {
[INFO] [stdout] 71 | |         self.0.initializer()
[INFO] [stdout] 72 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `initializer` found for struct `CharacterDeviceFileDescriptor` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/file-descriptors-0.8.7/src/terminal/TerminalFileDescriptor.rs:71:10
[INFO] [stdout]    |
[INFO] [stdout] 71 |         self.0.initializer()
[INFO] [stdout]    |                ^^^^^^^^^^^ method not found in `CharacterDeviceFileDescriptor`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/file-descriptors-0.8.7/src/character_device/CharacterDeviceFileDescriptor.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct CharacterDeviceFileDescriptor(RawFd);
[INFO] [stdout]    | ------------------------------------------------ method `initializer` not found for this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0407, E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0407`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `file-descriptors` due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "f107f63dae96d42042f7dc20931780fb3590c752e435b7b0bba1bb08239fa271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f107f63dae96d42042f7dc20931780fb3590c752e435b7b0bba1bb08239fa271", kill_on_drop: false }`
[INFO] [stdout] f107f63dae96d42042f7dc20931780fb3590c752e435b7b0bba1bb08239fa271