[INFO] fetching crate snafu-tracing 0.8.3...
[INFO] testing snafu-tracing-0.8.3 against 1.91.0 for beta-1.92-2
[INFO] extracting crate snafu-tracing 0.8.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate snafu-tracing 0.8.3
[INFO] finished tweaking crates.io crate snafu-tracing 0.8.3
[INFO] tweaked toml for crates.io crate snafu-tracing 0.8.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate snafu-tracing 0.8.3 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate snafu-tracing 0.8.3 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snafu-derive v0.8.5
[INFO] [stderr]   Downloaded snafu v0.8.5
[INFO] [stderr]   Downloaded snafu-tracing-macro v0.8.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da4c279d2413ab2dec5def2135b36f2d147c178eaff880775feadd4d59bfe4f0
[INFO] running `Command { std: "docker" "start" "-a" "da4c279d2413ab2dec5def2135b36f2d147c178eaff880775feadd4d59bfe4f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da4c279d2413ab2dec5def2135b36f2d147c178eaff880775feadd4d59bfe4f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da4c279d2413ab2dec5def2135b36f2d147c178eaff880775feadd4d59bfe4f0", kill_on_drop: false }`
[INFO] [stdout] da4c279d2413ab2dec5def2135b36f2d147c178eaff880775feadd4d59bfe4f0
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a39034c360b3a5938289a6f54baf53c60bacef9036edc1254e6e922aba6fe94
[INFO] running `Command { std: "docker" "start" "-a" "9a39034c360b3a5938289a6f54baf53c60bacef9036edc1254e6e922aba6fe94", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling snafu-derive v0.8.5
[INFO] [stderr]    Compiling snafu-tracing-macro v0.8.0
[INFO] [stderr]    Compiling snafu v0.8.5
[INFO] [stderr]    Compiling snafu-tracing v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.81s
[INFO] running `Command { std: "docker" "inspect" "9a39034c360b3a5938289a6f54baf53c60bacef9036edc1254e6e922aba6fe94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a39034c360b3a5938289a6f54baf53c60bacef9036edc1254e6e922aba6fe94", kill_on_drop: false }`
[INFO] [stdout] 9a39034c360b3a5938289a6f54baf53c60bacef9036edc1254e6e922aba6fe94
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cde55a10d175b5616fc304484b9aea440275a990272ae3590601dddd7a9a99c
[INFO] running `Command { std: "docker" "start" "-a" "9cde55a10d175b5616fc304484b9aea440275a990272ae3590601dddd7a9a99c", kill_on_drop: false }`
[INFO] [stderr]    Compiling snafu-tracing v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "9cde55a10d175b5616fc304484b9aea440275a990272ae3590601dddd7a9a99c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cde55a10d175b5616fc304484b9aea440275a990272ae3590601dddd7a9a99c", kill_on_drop: false }`
[INFO] [stdout] 9cde55a10d175b5616fc304484b9aea440275a990272ae3590601dddd7a9a99c
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e84ce11b393d37f89f0c44222897659d32cee6e478eb705fbbb28b0dc3b55916
[INFO] running `Command { std: "docker" "start" "-a" "e84ce11b393d37f89f0c44222897659d32cee6e478eb705fbbb28b0dc3b55916", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/snafu_tracing-e4a1ace7bb6264b6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests snafu_tracing
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.47s; merged doctests compilation took 0.16s
[INFO] running `Command { std: "docker" "inspect" "e84ce11b393d37f89f0c44222897659d32cee6e478eb705fbbb28b0dc3b55916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84ce11b393d37f89f0c44222897659d32cee6e478eb705fbbb28b0dc3b55916", kill_on_drop: false }`
[INFO] [stdout] e84ce11b393d37f89f0c44222897659d32cee6e478eb705fbbb28b0dc3b55916