[INFO] fetching crate configuer 0.1.11...
[INFO] checking configuer-0.1.11 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate configuer 0.1.11 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate configuer 0.1.11 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate configuer 0.1.11
[INFO] finished tweaking crates.io crate configuer 0.1.11
[INFO] tweaked toml for crates.io crate configuer 0.1.11 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate configuer 0.1.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 946eecfcc44bef7bcc6c3f3c0b6d685e96511f86c302def2a3e6093947f8633f
[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" "946eecfcc44bef7bcc6c3f3c0b6d685e96511f86c302def2a3e6093947f8633f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "946eecfcc44bef7bcc6c3f3c0b6d685e96511f86c302def2a3e6093947f8633f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "946eecfcc44bef7bcc6c3f3c0b6d685e96511f86c302def2a3e6093947f8633f", kill_on_drop: false }`
[INFO] [stdout] 946eecfcc44bef7bcc6c3f3c0b6d685e96511f86c302def2a3e6093947f8633f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a10ccd463fa4b4229286dfd25892e76c8d874733129b4fca091eb843067dfbe8
[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" "a10ccd463fa4b4229286dfd25892e76c8d874733129b4fca091eb843067dfbe8", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking configuer v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `!: Default` is not satisfied
[INFO] [stdout]   --> src/lib.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Configuer::with_file("random").on_create(|| {
[INFO] [stdout]    |                                        ^^^^^^^^^ the trait `Default` is not implemented for `!`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the trait is implemented for `()`. Possibly this error has been caused by changes to Rust's type-inference algorithm (see issue #48950 <https://github.com/rust-lang/rust/issues/48950> for more information). Consider whether you meant to use the type `()` here instead.
[INFO] [stdout]    = note: required because of the requirements on the impl of `for<'de> Model<'de>` for `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `!: Deserialize<'_>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Configuer::with_file("random").on_create(|| {
[INFO] [stdout]    |                                        ^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `!`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the trait is implemented for `()`. Possibly this error has been caused by changes to Rust's type-inference algorithm (see issue #48950 <https://github.com/rust-lang/rust/issues/48950> for more information). Consider whether you meant to use the type `()` here instead.
[INFO] [stdout]    = note: required because of the requirements on the impl of `for<'de> Model<'de>` for `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `!: Serialize` is not satisfied
[INFO] [stdout]   --> src/lib.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Configuer::with_file("random").on_create(|| {
[INFO] [stdout]    |                                        ^^^^^^^^^ the trait `Serialize` is not implemented for `!`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the trait is implemented for `()`. Possibly this error has been caused by changes to Rust's type-inference algorithm (see issue #48950 <https://github.com/rust-lang/rust/issues/48950> for more information). Consider whether you meant to use the type `()` here instead.
[INFO] [stdout]    = note: required because of the requirements on the impl of `for<'de> Model<'de>` for `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `!: Default` is not satisfied
[INFO] [stdout]   --> src/lib.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Configuer::with_file("random").on_create(|| {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ the trait `Default` is not implemented for `!`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/configuer_struct.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn with_file(file_name: &str) -> Self {
[INFO] [stdout]    |     ----------------------------------------- required by `configuer_struct::Configuer::<T>::with_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the trait is implemented for `()`. Possibly this error has been caused by changes to Rust's type-inference algorithm (see issue #48950 <https://github.com/rust-lang/rust/issues/48950> for more information). Consider whether you meant to use the type `()` here instead.
[INFO] [stdout]    = note: required because of the requirements on the impl of `for<'de> Model<'de>` for `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `!: Deserialize<'_>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Configuer::with_file("random").on_create(|| {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `!`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/configuer_struct.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn with_file(file_name: &str) -> Self {
[INFO] [stdout]    |     ----------------------------------------- required by `configuer_struct::Configuer::<T>::with_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the trait is implemented for `()`. Possibly this error has been caused by changes to Rust's type-inference algorithm (see issue #48950 <https://github.com/rust-lang/rust/issues/48950> for more information). Consider whether you meant to use the type `()` here instead.
[INFO] [stdout]    = note: required because of the requirements on the impl of `for<'de> Model<'de>` for `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `!: Serialize` is not satisfied
[INFO] [stdout]   --> src/lib.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Configuer::with_file("random").on_create(|| {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ the trait `Serialize` is not implemented for `!`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/configuer_struct.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn with_file(file_name: &str) -> Self {
[INFO] [stdout]    |     ----------------------------------------- required by `configuer_struct::Configuer::<T>::with_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the trait is implemented for `()`. Possibly this error has been caused by changes to Rust's type-inference algorithm (see issue #48950 <https://github.com/rust-lang/rust/issues/48950> for more information). Consider whether you meant to use the type `()` here instead.
[INFO] [stdout]    = note: required because of the requirements on the impl of `for<'de> Model<'de>` for `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `!: Deserialize<'_>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Configuer::with_file("random").on_create(|| {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `!`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/configuer_struct.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Configuer<T: for<'de> Model<'de>> {
[INFO] [stdout]    |                         ------------------- required by this bound in `configuer_struct::Configuer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the trait is implemented for `()`. Possibly this error has been caused by changes to Rust's type-inference algorithm (see issue #48950 <https://github.com/rust-lang/rust/issues/48950> for more information). Consider whether you meant to use the type `()` here instead.
[INFO] [stdout]    = note: required because of the requirements on the impl of `for<'de> Model<'de>` for `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `configuer`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a10ccd463fa4b4229286dfd25892e76c8d874733129b4fca091eb843067dfbe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10ccd463fa4b4229286dfd25892e76c8d874733129b4fca091eb843067dfbe8", kill_on_drop: false }`
[INFO] [stdout] a10ccd463fa4b4229286dfd25892e76c8d874733129b4fca091eb843067dfbe8