[INFO] fetching crate sbg 0.0.2...
[INFO] checking sbg-0.0.2 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate sbg 0.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sbg 0.0.2 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sbg 0.0.2
[INFO] finished tweaking crates.io crate sbg 0.0.2
[INFO] tweaked toml for crates.io crate sbg 0.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b65cdad397694d7df7f761f301e61dc902a02b14b7266bad466c65c785ca1c6f
[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" "b65cdad397694d7df7f761f301e61dc902a02b14b7266bad466c65c785ca1c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b65cdad397694d7df7f761f301e61dc902a02b14b7266bad466c65c785ca1c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65cdad397694d7df7f761f301e61dc902a02b14b7266bad466c65c785ca1c6f", kill_on_drop: false }`
[INFO] [stdout] b65cdad397694d7df7f761f301e61dc902a02b14b7266bad466c65c785ca1c6f
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7737a60d7987e38c8723933353d6bdf044d86581628970792708e13c8ecfb24
[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" "b7737a60d7987e38c8723933353d6bdf044d86581628970792708e13c8ecfb24", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking sbg v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `url`
[INFO] [stdout]  --> examples/main_impl.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use url::Url;
[INFO] [stdout]   |     ^^^ maybe a missing crate `url`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> examples/main_impl.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | ) -> Result<(), Box<Error>> {
[INFO] [stdout]   |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/main_impl.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | ) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/main_impl.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 | ) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/main_impl.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 | ) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `main_impl`
[INFO] [stdout]   --> examples/main_impl.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / use std::{
[INFO] [stdout] 2  | |     error::Error,path::PathBuf,
[INFO] [stdout] 3  | | };
[INFO] [stdout] 4  | |
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     unimplemented!();
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `examples/main_impl.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sbg`
[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] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> examples/main_impl.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | ) -> Result<(), Box<Error>> {
[INFO] [stdout]   |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/main_impl.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | ) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/main_impl.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 | ) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/main_impl.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 | ) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/main.rs:54:28
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn run() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_arg`
[INFO] [stdout]   --> examples/main_impl.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     some_arg: String,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_arg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_other_arg`
[INFO] [stdout]   --> examples/main_impl.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     some_other_arg: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_other_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_arg`
[INFO] [stdout]   --> examples/main_impl.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     some_arg: String,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_other_arg`
[INFO] [stdout]   --> examples/main_impl.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     some_other_arg: Url,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_other_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:72:28
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn run() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:72:28
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn run() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b7737a60d7987e38c8723933353d6bdf044d86581628970792708e13c8ecfb24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7737a60d7987e38c8723933353d6bdf044d86581628970792708e13c8ecfb24", kill_on_drop: false }`
[INFO] [stdout] b7737a60d7987e38c8723933353d6bdf044d86581628970792708e13c8ecfb24