[INFO] crate overflow-error 0.4.1 is already in cache
[INFO] checking overflow-error-0.4.1 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate overflow-error 0.4.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate overflow-error 0.4.1 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate overflow-error 0.4.1
[INFO] finished tweaking crates.io crate overflow-error 0.4.1
[INFO] tweaked toml for crates.io crate overflow-error 0.4.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9eb6440899b9761d299cc718a87e4f6a1684f5328c626fe3aa036495c6c34f89
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9eb6440899b9761d299cc718a87e4f6a1684f5328c626fe3aa036495c6c34f89"`
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking overflow-error v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:87:32
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:5:24
[INFO] [stderr]    |
[INFO] [stderr] 5  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:133:32
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]     |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:87:32
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:133:32
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]     |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `overflow-error`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: the feature `never_type` has been stable since 1.41.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(never_type)]
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9eb6440899b9761d299cc718a87e4f6a1684f5328c626fe3aa036495c6c34f89"`
[INFO] running `"docker" "rm" "-f" "9eb6440899b9761d299cc718a87e4f6a1684f5328c626fe3aa036495c6c34f89"`
[INFO] [stdout] 9eb6440899b9761d299cc718a87e4f6a1684f5328c626fe3aa036495c6c34f89