[INFO] fetching crate micro-kit 1.3.0...
[INFO] checking micro-kit-1.3.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate micro-kit 1.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate micro-kit 1.3.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate micro-kit 1.3.0
[INFO] finished tweaking crates.io crate micro-kit 1.3.0
[INFO] tweaked toml for crates.io crate micro-kit 1.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7fc24f912f16d324dc7c49ea04c9bbacbf7d50ec8f6bfb878cc4f1755cfe5b1a
[INFO] running `"docker" "start" "-a" "7fc24f912f16d324dc7c49ea04c9bbacbf7d50ec8f6bfb878cc4f1755cfe5b1a"`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking dtoa v0.3.1
[INFO] [stderr]     Checking histogram v0.6.9
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking router v0.5.1
[INFO] [stderr]     Checking metrics v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking serde_yaml v0.5.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v0.2.3
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking serde-value v0.3.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking log4rs v0.5.2
[INFO] [stderr]     Checking micro-kit v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:27:15
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Error(Box<StdError>),
[INFO] [stderr]    |               ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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/config.rs:53:32
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:82:15
[INFO] [stderr]    |
[INFO] [stderr] 82 | impl From<Box<StdError>> for ConfigError {
[INFO] [stderr]    |               ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:83:22
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn from(err: Box<StdError>) -> ConfigError {
[INFO] [stderr]    |                      ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/healthcheck.rs:65:21
[INFO] [stderr]    |
[INFO] [stderr] 65 |     checks: Vec<Box<HealthCheck + 'static>>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HealthCheck + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/http.rs:34:32
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:27:15
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Error(Box<StdError>),
[INFO] [stderr]    |               ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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/config.rs:53:32
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:82:15
[INFO] [stderr]    |
[INFO] [stderr] 82 | impl From<Box<StdError>> for ConfigError {
[INFO] [stderr]    |               ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:83:22
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn from(err: Box<StdError>) -> ConfigError {
[INFO] [stderr]    |                      ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/healthcheck.rs:65:21
[INFO] [stderr]    |
[INFO] [stderr] 65 |     checks: Vec<Box<HealthCheck + 'static>>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HealthCheck + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/http.rs:34:32
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.08s
[INFO] running `"docker" "inspect" "7fc24f912f16d324dc7c49ea04c9bbacbf7d50ec8f6bfb878cc4f1755cfe5b1a"`
[INFO] running `"docker" "rm" "-f" "7fc24f912f16d324dc7c49ea04c9bbacbf7d50ec8f6bfb878cc4f1755cfe5b1a"`
[INFO] [stdout] 7fc24f912f16d324dc7c49ea04c9bbacbf7d50ec8f6bfb878cc4f1755cfe5b1a