[INFO] fetching crate xan-log 1.0.1...
[INFO] checking xan-log-1.0.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate xan-log 1.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate xan-log 1.0.1
[INFO] finished tweaking crates.io crate xan-log 1.0.1
[INFO] tweaked toml for crates.io crate xan-log 1.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xan-log 1.0.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xan-log 1.0.1 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97043f7647519d422e261eaa7bc736cd53d203d8023db7909ee1a381058554d9
[INFO] running `Command { std: "docker" "start" "-a" "97043f7647519d422e261eaa7bc736cd53d203d8023db7909ee1a381058554d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97043f7647519d422e261eaa7bc736cd53d203d8023db7909ee1a381058554d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97043f7647519d422e261eaa7bc736cd53d203d8023db7909ee1a381058554d9", kill_on_drop: false }`
[INFO] [stdout] 97043f7647519d422e261eaa7bc736cd53d203d8023db7909ee1a381058554d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f03d7fe95b6070050d2c3b3da96599158d0e6de2eedda847492921ca1aafcdb
[INFO] running `Command { std: "docker" "start" "-a" "3f03d7fe95b6070050d2c3b3da96599158d0e6de2eedda847492921ca1aafcdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking xan-log v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `xan-log` (lib test) due to 1 previous error
[INFO] [stdout] error[E0133]: call to unsafe function `set_var` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/lib.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     std::env::set_var("LOG_LEVEL", "TRACE");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f03d7fe95b6070050d2c3b3da96599158d0e6de2eedda847492921ca1aafcdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f03d7fe95b6070050d2c3b3da96599158d0e6de2eedda847492921ca1aafcdb", kill_on_drop: false }`
[INFO] [stdout] 3f03d7fe95b6070050d2c3b3da96599158d0e6de2eedda847492921ca1aafcdb