[INFO] fetching crate log4rc 0.1.2...
[INFO] testing log4rc-0.1.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate log4rc 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate log4rc 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate log4rc 0.1.2
[INFO] tweaked toml for crates.io crate log4rc 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate log4rc 0.1.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate log4rc 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 559a0449a25c3d2807d7acb04f4af2665e869f60e0f79bfd2f326da8549d0d45
[INFO] running `Command { std: "docker" "start" "-a" "559a0449a25c3d2807d7acb04f4af2665e869f60e0f79bfd2f326da8549d0d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "559a0449a25c3d2807d7acb04f4af2665e869f60e0f79bfd2f326da8549d0d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "559a0449a25c3d2807d7acb04f4af2665e869f60e0f79bfd2f326da8549d0d45", kill_on_drop: false }`
[INFO] [stdout] 559a0449a25c3d2807d7acb04f4af2665e869f60e0f79bfd2f326da8549d0d45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e73f9ed27d344634b0321609681f37936141e9a461d282483bdedcd02fe9153f
[INFO] running `Command { std: "docker" "start" "-a" "e73f9ed27d344634b0321609681f37936141e9a461d282483bdedcd02fe9153f", kill_on_drop: false }`
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling log4rc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "e73f9ed27d344634b0321609681f37936141e9a461d282483bdedcd02fe9153f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73f9ed27d344634b0321609681f37936141e9a461d282483bdedcd02fe9153f", kill_on_drop: false }`
[INFO] [stdout] e73f9ed27d344634b0321609681f37936141e9a461d282483bdedcd02fe9153f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7463dd2f64bfec8abae9c2d858f905143c7850d983429b78255e91ea8860721c
[INFO] running `Command { std: "docker" "start" "-a" "7463dd2f64bfec8abae9c2d858f905143c7850d983429b78255e91ea8860721c", kill_on_drop: false }`
[INFO] [stderr]    Compiling log4rc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `log4r`
[INFO] [stdout]  --> examples/advanced_usage.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log4r::{LogLevel, Logger};
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `log4r`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log4rc::{LogLevel, Logger};
[INFO] [stdout]   |          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `log4r` in this scope
[INFO] [stdout]  --> examples/advanced_usage.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     log4r::trace!("This is a trace message - won't be printed");
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `log4r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `log4r` in this scope
[INFO] [stdout]  --> examples/advanced_usage.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     log4r::debug!("This is a debug message - will be printed");
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `log4r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `log4r` in this scope
[INFO] [stdout]   --> examples/advanced_usage.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     log4r::info!("This is an info message - will be printed");
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `log4r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `log4r` in this scope
[INFO] [stdout]   --> examples/advanced_usage.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     log4r::warn!("This is a warning message - will be printed");
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `log4r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `log4r` in this scope
[INFO] [stdout]   --> examples/advanced_usage.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     log4r::error!("This is an error message - will be printed");
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `log4r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `log4r` in this scope
[INFO] [stdout]   --> examples/advanced_usage.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     log4r::trace!("This is a trace message - would be printed with Trace level");
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `log4r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `log4r`
[INFO] [stdout]  --> examples/basic_usage.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log4r::{LogLevel, Logger};
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `log4r`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log4rc::{LogLevel, Logger};
[INFO] [stdout]   |          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `log4r` in this scope
[INFO] [stdout]  --> examples/basic_usage.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     log4r::trace!("This is a trace message - won't be printed");
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `log4r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `log4r` in this scope
[INFO] [stdout]  --> examples/basic_usage.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     log4r::debug!("This is a debug message - will be printed");
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `log4r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `log4r` in this scope
[INFO] [stdout]   --> examples/basic_usage.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     log4r::info!("This is an info message - will be printed");
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `log4r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `log4r` in this scope
[INFO] [stdout]   --> examples/basic_usage.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     log4r::warn!("This is a warning message - will be printed");
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `log4r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `log4r` in this scope
[INFO] [stdout]   --> examples/basic_usage.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     log4r::error!("This is an error message - will be printed");
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `log4r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `log4r` in this scope
[INFO] [stdout]   --> examples/basic_usage.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     log4r::trace!("This is a trace message - now will be printed");
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `log4r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `log4rc` (example "advanced_usage") due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `log4rc` (example "basic_usage") due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "7463dd2f64bfec8abae9c2d858f905143c7850d983429b78255e91ea8860721c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7463dd2f64bfec8abae9c2d858f905143c7850d983429b78255e91ea8860721c", kill_on_drop: false }`
[INFO] [stdout] 7463dd2f64bfec8abae9c2d858f905143c7850d983429b78255e91ea8860721c