[INFO] updating cached repository https://github.com/kogai/embeddable-config
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8dac770968c2a769b7ba949a62d146cbcf6dab00
[INFO] checking kogai/embeddable-config against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkogai%2Fembeddable-config" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kogai/embeddable-config on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kogai/embeddable-config
[INFO] finished tweaking git repo https://github.com/kogai/embeddable-config
[INFO] tweaked toml for git repo https://github.com/kogai/embeddable-config written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kogai/embeddable-config already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] ead258479996e2095dd08961779515c7099e620bfbe8b388f1fba409e085d7b5
[INFO] running `"docker" "start" "-a" "ead258479996e2095dd08961779515c7099e620bfbe8b388f1fba409e085d7b5"`
[INFO] [stderr]    Compiling serde v1.0.60
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.3
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]    Compiling quote v0.6.2
[INFO] [stderr]    Compiling syn v0.14.0
[INFO] [stderr]    Compiling serde_derive v1.0.60
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking serde-value v0.5.2
[INFO] [stderr]     Checking serde_json v1.0.17
[INFO] [stderr]     Checking serde_yaml v0.7.4
[INFO] [stderr]     Checking embeddable-config v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / macro_rules! from_file {
[INFO] [stderr] 88  | |     ($path:expr, $kind:path) => {{
[INFO] [stderr] 89  | |         match $kind {
[INFO] [stderr] 90  | |             Embeddable::Log4rs => {
[INFO] [stderr] ...   |
[INFO] [stderr] 120 | |     }}
[INFO] [stderr] 121 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Checking log4rs v0.8.0
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / macro_rules! from_file {
[INFO] [stderr] 88  | |     ($path:expr, $kind:path) => {{
[INFO] [stderr] 89  | |         match $kind {
[INFO] [stderr] 90  | |             Embeddable::Log4rs => {
[INFO] [stderr] ...   |
[INFO] [stderr] 120 | |     }}
[INFO] [stderr] 121 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/lib.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.40s
[INFO] running `"docker" "inspect" "ead258479996e2095dd08961779515c7099e620bfbe8b388f1fba409e085d7b5"`
[INFO] running `"docker" "rm" "-f" "ead258479996e2095dd08961779515c7099e620bfbe8b388f1fba409e085d7b5"`
[INFO] [stdout] ead258479996e2095dd08961779515c7099e620bfbe8b388f1fba409e085d7b5