[INFO] crate avocado 0.6.0 is already in cache
[INFO] checking avocado-0.6.0 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] extracting crate avocado 0.6.0 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate avocado 0.6.0 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate avocado 0.6.0
[INFO] finished tweaking crates.io crate avocado 0.6.0
[INFO] tweaked toml for crates.io crate avocado 0.6.0 written to work/builds/worker-7/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e2d641c90714f3f05941ab577e7e3fea265b37b2015e3e5d9b7ae63ba3069f02
[INFO] running `"docker" "start" "-a" "e2d641c90714f3f05941ab577e7e3fea265b37b2015e3e5d9b7ae63ba3069f02"`
[INFO] [stderr]    Compiling compiletest_rs v0.3.22
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking textnonce v0.6.5
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking magnet_schema v0.8.0
[INFO] [stderr]    Compiling magnet_derive v0.8.0
[INFO] [stderr]    Compiling avocado_derive v0.6.0
[INFO] [stderr]     Checking avocado v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/error.rs:235:34
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let backtrace = if cause.backtrace().is_none() {
[INFO] [stderr]     |                                  ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `error::ErrorExt::backtrace(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(backtrace)]` to the crate attributes to enable `std::error::Error::backtrace`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/error.rs:235:34
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let backtrace = if cause.backtrace().is_none() {
[INFO] [stderr]     |                                  ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `error::ErrorExt::backtrace(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(backtrace)]` to the crate attributes to enable `std::error::Error::backtrace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/basic.rs:99:21
[INFO] [stderr]    |
[INFO] [stderr] 99 | struct AnyError(Box<Error>); // fast and loose, don't do this in prod
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.16s
[INFO] running `"docker" "inspect" "e2d641c90714f3f05941ab577e7e3fea265b37b2015e3e5d9b7ae63ba3069f02"`
[INFO] running `"docker" "rm" "-f" "e2d641c90714f3f05941ab577e7e3fea265b37b2015e3e5d9b7ae63ba3069f02"`
[INFO] [stdout] e2d641c90714f3f05941ab577e7e3fea265b37b2015e3e5d9b7ae63ba3069f02