[INFO] fetching crate slog-env-cfg 0.6.0...
[INFO] testing slog-env-cfg-0.6.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate slog-env-cfg 0.6.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate slog-env-cfg 0.6.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slog-env-cfg 0.6.0
[INFO] finished tweaking crates.io crate slog-env-cfg 0.6.0
[INFO] tweaked toml for crates.io crate slog-env-cfg 0.6.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate slog-env-cfg 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1d27cde614ff4a07d29686e540ba76b36bad965e3957fe5d8705e0e736f5264
[INFO] running `Command { std: "docker" "start" "-a" "e1d27cde614ff4a07d29686e540ba76b36bad965e3957fe5d8705e0e736f5264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1d27cde614ff4a07d29686e540ba76b36bad965e3957fe5d8705e0e736f5264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d27cde614ff4a07d29686e540ba76b36bad965e3957fe5d8705e0e736f5264", kill_on_drop: false }`
[INFO] [stdout] e1d27cde614ff4a07d29686e540ba76b36bad965e3957fe5d8705e0e736f5264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13b9e51f22249c9a39f35e646bfa0b52a7e9ad73695512c6e137859fc9d96032
[INFO] running `Command { std: "docker" "start" "-a" "13b9e51f22249c9a39f35e646bfa0b52a7e9ad73695512c6e137859fc9d96032", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling slog-scope v4.1.2
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling crossbeam v0.7.2
[INFO] [stderr]    Compiling slog-stdlog v4.0.0
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling slog-term v2.4.1
[INFO] [stderr]    Compiling slog-envlogger v2.2.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling slog-json v2.3.0
[INFO] [stderr]    Compiling slog-env-cfg v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.68s
[INFO] running `Command { std: "docker" "inspect" "13b9e51f22249c9a39f35e646bfa0b52a7e9ad73695512c6e137859fc9d96032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13b9e51f22249c9a39f35e646bfa0b52a7e9ad73695512c6e137859fc9d96032", kill_on_drop: false }`
[INFO] [stdout] 13b9e51f22249c9a39f35e646bfa0b52a7e9ad73695512c6e137859fc9d96032
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f577766601976695f1695d4aca0e6033e4129e3aca7655dc729fc64c334d9b0f
[INFO] running `Command { std: "docker" "start" "-a" "f577766601976695f1695d4aca0e6033e4129e3aca7655dc729fc64c334d9b0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling serial_test v0.2.0
[INFO] [stderr]    Compiling serial_test_derive v0.2.0
[INFO] [stderr]    Compiling slog-env-cfg v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.15s
[INFO] running `Command { std: "docker" "inspect" "f577766601976695f1695d4aca0e6033e4129e3aca7655dc729fc64c334d9b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f577766601976695f1695d4aca0e6033e4129e3aca7655dc729fc64c334d9b0f", kill_on_drop: false }`
[INFO] [stdout] f577766601976695f1695d4aca0e6033e4129e3aca7655dc729fc64c334d9b0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 324e9c3499a56d8989227e53e8a5b9c2e214c6c9e791e7e6495c1673e3b92cf7
[INFO] running `Command { std: "docker" "start" "-a" "324e9c3499a56d8989227e53e8a5b9c2e214c6c9e791e7e6495c1673e3b92cf7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slog_env_cfg-c7e44d2dd643ad08)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test config_from_env::test::env_logger_filters_debug ... ok
[INFO] [stdout] test config_from_env::test::env_logger_filters_empty ... ok
[INFO] [stdout] test config::build_test_json ... ok
[INFO] [stdout] test config_from_env::test::log_format_invalid ... ok
[INFO] [stdout] test config_from_env::test::log_format_json ... ok
[INFO] [stdout] test config_from_env::test::log_format_empty ... ok
[INFO] [stdout] test config_from_env::test::log_format_term ... ok
[INFO] [stdout] test config_from_env::test::log_format_unset ... ok
[INFO] [stdout] test config_from_env::test::defaults ... ok
[INFO] [stdout] test config::build_test_terminal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slog-env-cfg
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "324e9c3499a56d8989227e53e8a5b9c2e214c6c9e791e7e6495c1673e3b92cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "324e9c3499a56d8989227e53e8a5b9c2e214c6c9e791e7e6495c1673e3b92cf7", kill_on_drop: false }`
[INFO] [stdout] 324e9c3499a56d8989227e53e8a5b9c2e214c6c9e791e7e6495c1673e3b92cf7