[INFO] fetching crate tracing-rfc-5424 0.1.1...
[INFO] checking tracing-rfc-5424-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate tracing-rfc-5424 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate tracing-rfc-5424 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-rfc-5424 0.1.1
[INFO] finished tweaking crates.io crate tracing-rfc-5424 0.1.1
[INFO] tweaked toml for crates.io crate tracing-rfc-5424 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 74 packages
[INFO] [stderr]       Adding hostname v0.3.1 (latest: v0.4.0)
[INFO] [stderr]       Adding local-ip-address v0.4.9 (latest: v0.6.1)
[INFO] [stderr]       Adding neli v0.5.3 (latest: v0.6.4)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding windows-sys v0.42.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.42.2 (latest: v0.52.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7a9a565b71e6adaaa74c86926c0f18c66a2c0e0d1729f3e4e2bd5dba6fe9a48
[INFO] running `Command { std: "docker" "start" "-a" "f7a9a565b71e6adaaa74c86926c0f18c66a2c0e0d1729f3e4e2bd5dba6fe9a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7a9a565b71e6adaaa74c86926c0f18c66a2c0e0d1729f3e4e2bd5dba6fe9a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a9a565b71e6adaaa74c86926c0f18c66a2c0e0d1729f3e4e2bd5dba6fe9a48", kill_on_drop: false }`
[INFO] [stdout] f7a9a565b71e6adaaa74c86926c0f18c66a2c0e0d1729f3e4e2bd5dba6fe9a48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 193bae1acb0f5e1d847a2b8b3103880b8729445b8c75e9373418c2a9c7ad135e
[INFO] running `Command { std: "docker" "start" "-a" "193bae1acb0f5e1d847a2b8b3103880b8729445b8c75e9373418c2a9c7ad135e", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking neli v0.5.3
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking local-ip-address v0.4.9
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking tracing-rfc-5424 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.31s
[INFO] running `Command { std: "docker" "inspect" "193bae1acb0f5e1d847a2b8b3103880b8729445b8c75e9373418c2a9c7ad135e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "193bae1acb0f5e1d847a2b8b3103880b8729445b8c75e9373418c2a9c7ad135e", kill_on_drop: false }`
[INFO] [stdout] 193bae1acb0f5e1d847a2b8b3103880b8729445b8c75e9373418c2a9c7ad135e
[INFO] checking tracing-rfc-5424-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate tracing-rfc-5424 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate tracing-rfc-5424 0.1.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-rfc-5424 0.1.1
[INFO] finished tweaking crates.io crate tracing-rfc-5424 0.1.1
[INFO] tweaked toml for crates.io crate tracing-rfc-5424 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4cc2699b5ac0a25d0980b425c4ea0636690271e5956576f8abbc3d453658bd0
[INFO] running `Command { std: "docker" "start" "-a" "a4cc2699b5ac0a25d0980b425c4ea0636690271e5956576f8abbc3d453658bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4cc2699b5ac0a25d0980b425c4ea0636690271e5956576f8abbc3d453658bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4cc2699b5ac0a25d0980b425c4ea0636690271e5956576f8abbc3d453658bd0", kill_on_drop: false }`
[INFO] [stdout] a4cc2699b5ac0a25d0980b425c4ea0636690271e5956576f8abbc3d453658bd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aec03cb321c7d0dd4053a889a87eaf10e0ad1ed65bcbbce8f6e4b8951603b87c
[INFO] running `Command { std: "docker" "start" "-a" "aec03cb321c7d0dd4053a889a87eaf10e0ad1ed65bcbbce8f6e4b8951603b87c", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking neli v0.5.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking local-ip-address v0.4.9
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking tracing-rfc-5424 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.38s
[INFO] running `Command { std: "docker" "inspect" "aec03cb321c7d0dd4053a889a87eaf10e0ad1ed65bcbbce8f6e4b8951603b87c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec03cb321c7d0dd4053a889a87eaf10e0ad1ed65bcbbce8f6e4b8951603b87c", kill_on_drop: false }`
[INFO] [stdout] aec03cb321c7d0dd4053a889a87eaf10e0ad1ed65bcbbce8f6e4b8951603b87c