[INFO] cloning repository https://github.com/papertigers/tracing-bench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/papertigers/tracing-bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpapertigers%2Ftracing-bench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpapertigers%2Ftracing-bench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 052fb4a5751b905c547f5a0abc14b49dc99a0bcb
[INFO] checking papertigers/tracing-bench against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpapertigers%2Ftracing-bench" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/papertigers/tracing-bench 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] removed /workspace/builds/worker-2-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/papertigers/tracing-bench
[INFO] finished tweaking git repo https://github.com/papertigers/tracing-bench
[INFO] tweaked toml for git repo https://github.com/papertigers/tracing-bench written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/papertigers/tracing-bench 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.3.13
[INFO] [stderr]   Downloaded tracing-appender v0.2.2
[INFO] [stderr]   Downloaded anyhow v1.0.61
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.15
[INFO] [stderr]   Downloaded libc v0.2.129
[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] 628500f1f200df1da764ee54f76ca2b8b0861cef9808c75cd6004fd0d70b74a5
[INFO] running `Command { std: "docker" "start" "-a" "628500f1f200df1da764ee54f76ca2b8b0861cef9808c75cd6004fd0d70b74a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "628500f1f200df1da764ee54f76ca2b8b0861cef9808c75cd6004fd0d70b74a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "628500f1f200df1da764ee54f76ca2b8b0861cef9808c75cd6004fd0d70b74a5", kill_on_drop: false }`
[INFO] [stdout] 628500f1f200df1da764ee54f76ca2b8b0861cef9808c75cd6004fd0d70b74a5
[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] df61cff195e791c172f10a2671ddf13de5387a6c63d00cfa6fbcdcc4df18f98e
[INFO] running `Command { std: "docker" "start" "-a" "df61cff195e791c172f10a2671ddf13de5387a6c63d00cfa6fbcdcc4df18f98e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling libc v0.2.129
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling anyhow v1.0.61
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]     Checking log v0.4.17
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking time v0.3.13
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking tracing-subscriber v0.3.15
[INFO] [stderr]     Checking tracing-appender v0.2.2
[INFO] [stderr]     Checking tracing-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.71s
[INFO] running `Command { std: "docker" "inspect" "df61cff195e791c172f10a2671ddf13de5387a6c63d00cfa6fbcdcc4df18f98e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df61cff195e791c172f10a2671ddf13de5387a6c63d00cfa6fbcdcc4df18f98e", kill_on_drop: false }`
[INFO] [stdout] df61cff195e791c172f10a2671ddf13de5387a6c63d00cfa6fbcdcc4df18f98e
[INFO] checking papertigers/tracing-bench against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpapertigers%2Ftracing-bench" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/papertigers/tracing-bench 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] removed /workspace/builds/worker-2-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/papertigers/tracing-bench
[INFO] finished tweaking git repo https://github.com/papertigers/tracing-bench
[INFO] tweaked toml for git repo https://github.com/papertigers/tracing-bench written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/papertigers/tracing-bench 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" "+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] 678bd9219ce1b4acc4db706fd932073de775ebb8238784495df2654c859ada76
[INFO] running `Command { std: "docker" "start" "-a" "678bd9219ce1b4acc4db706fd932073de775ebb8238784495df2654c859ada76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "678bd9219ce1b4acc4db706fd932073de775ebb8238784495df2654c859ada76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678bd9219ce1b4acc4db706fd932073de775ebb8238784495df2654c859ada76", kill_on_drop: false }`
[INFO] [stdout] 678bd9219ce1b4acc4db706fd932073de775ebb8238784495df2654c859ada76
[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] 030475ba7caab1c07ee82f3c42928c29334ae8b5937fecbfe67b575dae95010b
[INFO] running `Command { std: "docker" "start" "-a" "030475ba7caab1c07ee82f3c42928c29334ae8b5937fecbfe67b575dae95010b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling libc v0.2.129
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.61
[INFO] [stderr]     Checking log v0.4.17
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking time v0.3.13
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking tracing-subscriber v0.3.15
[INFO] [stderr]     Checking tracing-appender v0.2.2
[INFO] [stderr]     Checking tracing-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.62s
[INFO] running `Command { std: "docker" "inspect" "030475ba7caab1c07ee82f3c42928c29334ae8b5937fecbfe67b575dae95010b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "030475ba7caab1c07ee82f3c42928c29334ae8b5937fecbfe67b575dae95010b", kill_on_drop: false }`
[INFO] [stdout] 030475ba7caab1c07ee82f3c42928c29334ae8b5937fecbfe67b575dae95010b