[INFO] fetching crate discotech 0.0.3...
[INFO] testing discotech-0.0.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate discotech 0.0.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate discotech 0.0.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate discotech 0.0.3
[INFO] tweaked toml for crates.io crate discotech 0.0.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate discotech 0.0.3 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 47 packages to latest compatible versions
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.28)
[INFO] [stderr]       Adding log4rs v0.3.3 (available: v1.4.0)
[INFO] [stderr]       Adding mio v0.3.7 (available: v1.1.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a5867b9ec88f2aadbd67d10a5f7e05260113b25ea17131ea1b443dedec3ef15
[INFO] running `Command { std: "docker" "start" "-a" "5a5867b9ec88f2aadbd67d10a5f7e05260113b25ea17131ea1b443dedec3ef15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a5867b9ec88f2aadbd67d10a5f7e05260113b25ea17131ea1b443dedec3ef15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a5867b9ec88f2aadbd67d10a5f7e05260113b25ea17131ea1b443dedec3ef15", kill_on_drop: false }`
[INFO] [stdout] 5a5867b9ec88f2aadbd67d10a5f7e05260113b25ea17131ea1b443dedec3ef15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cb63e26e5e47a331d4e2140ec4ca0ce0ed77ca93476295759a5ba07a0de203b
[INFO] running `Command { std: "docker" "start" "-a" "8cb63e26e5e47a331d4e2140ec4ca0ce0ed77ca93476295759a5ba07a0de203b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling num-bigint v0.1.45
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.43
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling bitflags v0.1.1
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]    Compiling bytes v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling nix v0.3.10
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling mio v0.3.7
[INFO] [stdout] error[E0277]: `M` cannot be sent between threads safely
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/notify.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `M` cannot be sent between threads safely
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Notify`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/notify.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Notify<M: Send> {
[INFO] [stdout]    |                      ^^^^ required by this bound in `Notify`
[INFO] [stdout] help: consider restricting type parameter `M` with trait `Send`
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl<M: std::marker::Send> fmt::Debug for Notify<M> {
[INFO] [stdout]    |       +++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `M` cannot be sent between threads safely
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/notify.rs:57:24
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl<M> fmt::Debug for Notify<M> {
[INFO] [stdout]    |                        ^^^^^^^^^ `M` cannot be sent between threads safely
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Notify`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/notify.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Notify<M: Send> {
[INFO] [stdout]    |                      ^^^^ required by this bound in `Notify`
[INFO] [stdout] help: consider restricting type parameter `M` with trait `Send`
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl<M: std::marker::Send> fmt::Debug for Notify<M> {
[INFO] [stdout]    |       +++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `M` cannot be sent between threads safely
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/notify.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |             ^^^^ `M` cannot be sent between threads safely
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Notify`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/notify.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Notify<M: Send> {
[INFO] [stdout]    |                      ^^^^ required by this bound in `Notify`
[INFO] [stdout] help: consider restricting type parameter `M` with trait `Send`
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl<M: std::marker::Send> fmt::Debug for Notify<M> {
[INFO] [stdout]    |       +++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/handler.rs:8:45
[INFO] [stdout]    |
[INFO] [stdout]  8 |     fn readable(&mut self, event_loop: &mut EventLoop<Self>, token: Token, hint: ReadHint) {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout] note: required by an implicit `Sized` bound in `EventLoop`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/event_loop.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler> {
[INFO] [stdout]    |                      ^ required by the implicit `Sized` requirement on this type parameter in `EventLoop`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout]  8 |     fn readable(&mut self, event_loop: &mut EventLoop<Self>, token: Token, hint: ReadHint) where Self: Sized {
[INFO] [stdout]    |                                                                                            +++++++++++++++++
[INFO] [stdout] help: consider relaxing the implicit `Sized` restriction
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/event_loop.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler + ?Sized> {
[INFO] [stdout]    |                                 ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/handler.rs:11:45
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn writable(&mut self, event_loop: &mut EventLoop<Self>, token: Token) {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout] note: required by an implicit `Sized` bound in `EventLoop`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/event_loop.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler> {
[INFO] [stdout]    |                      ^ required by the implicit `Sized` requirement on this type parameter in `EventLoop`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn writable(&mut self, event_loop: &mut EventLoop<Self>, token: Token) where Self: Sized {
[INFO] [stdout]    |                                                                            +++++++++++++++++
[INFO] [stdout] help: consider relaxing the implicit `Sized` restriction
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/event_loop.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler + ?Sized> {
[INFO] [stdout]    |                                 ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/handler.rs:14:43
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn notify(&mut self, event_loop: &mut EventLoop<Self>, msg: Self::Message) {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout] note: required by an implicit `Sized` bound in `EventLoop`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/event_loop.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler> {
[INFO] [stdout]    |                      ^ required by the implicit `Sized` requirement on this type parameter in `EventLoop`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn notify(&mut self, event_loop: &mut EventLoop<Self>, msg: Self::Message) where Self: Sized {
[INFO] [stdout]    |                                                                                +++++++++++++++++
[INFO] [stdout] help: consider relaxing the implicit `Sized` restriction
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/event_loop.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler + ?Sized> {
[INFO] [stdout]    |                                 ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/handler.rs:17:44
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn timeout(&mut self, event_loop: &mut EventLoop<Self>, timeout: Self::Timeout) {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout] note: required by an implicit `Sized` bound in `EventLoop`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/event_loop.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler> {
[INFO] [stdout]    |                      ^ required by the implicit `Sized` requirement on this type parameter in `EventLoop`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn timeout(&mut self, event_loop: &mut EventLoop<Self>, timeout: Self::Timeout) where Self: Sized {
[INFO] [stdout]    |                                                                                     +++++++++++++++++
[INFO] [stdout] help: consider relaxing the implicit `Sized` restriction
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/event_loop.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler + ?Sized> {
[INFO] [stdout]    |                                 ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/handler.rs:20:48
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn interrupted(&mut self, event_loop: &mut EventLoop<Self>) {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout] note: required by an implicit `Sized` bound in `EventLoop`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/event_loop.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler> {
[INFO] [stdout]    |                      ^ required by the implicit `Sized` requirement on this type parameter in `EventLoop`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn interrupted(&mut self, event_loop: &mut EventLoop<Self>) where Self: Sized {
[INFO] [stdout]    |                                                                 +++++++++++++++++
[INFO] [stdout] help: consider relaxing the implicit `Sized` restriction
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/event_loop.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler + ?Sized> {
[INFO] [stdout]    |                                 ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/nonblock.rs:67:39
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn into_non_block(self) -> Result<NonBlock<Self>>;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout] note: required by an implicit `Sized` bound in `NonBlock`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/nonblock.rs:7:21
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct NonBlock<T> {
[INFO] [stdout]    |                     ^ required by the implicit `Sized` requirement on this type parameter in `NonBlock`
[INFO] [stdout] help: you could relax the implicit `Sized` bound on `T` if it were used through indirection like `&T` or `Box<T>`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/nonblock.rs:7:21
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct NonBlock<T> {
[INFO] [stdout]    |                     ^ this could be changed to `T: ?Sized`...
[INFO] [stdout]  8 |     inner: T,
[INFO] [stdout]    |            - ...if indirection were used here: `Box<T>`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn into_non_block(self) -> Result<NonBlock<Self>> where Self: Sized;
[INFO] [stdout]    |                                                       +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mio-0.3.7/src/io.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |         mem::transmute(Repr::Os(err.errno() as i32))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: source type: `Repr` (128 bits)
[INFO] [stdout]     = note: target type: `std::io::Error` (64 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0512.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mio` (lib) due to 10 previous errors
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8cb63e26e5e47a331d4e2140ec4ca0ce0ed77ca93476295759a5ba07a0de203b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cb63e26e5e47a331d4e2140ec4ca0ce0ed77ca93476295759a5ba07a0de203b", kill_on_drop: false }`
[INFO] [stdout] 8cb63e26e5e47a331d4e2140ec4ca0ce0ed77ca93476295759a5ba07a0de203b
