[INFO] fetching crate tracing-unwrap 0.10.0... [INFO] checking tracing-unwrap-0.10.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate tracing-unwrap 0.10.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate tracing-unwrap 0.10.0 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-unwrap 0.10.0 [INFO] finished tweaking crates.io crate tracing-unwrap 0.10.0 [INFO] tweaked toml for crates.io crate tracing-unwrap 0.10.0 written to /workspace/builds/worker-3-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] Locking 33 packages [INFO] [stderr] Adding nu-ansi-term v0.46.0 (latest: v0.50.0) [INFO] [stderr] Adding regex-automata v0.1.10 (latest: v0.4.6) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.3) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bd169fd08074f29095088dc77c841332fb3f2fce7be0f1284856435b7c068800 [INFO] running `Command { std: "docker" "start" "-a" "bd169fd08074f29095088dc77c841332fb3f2fce7be0f1284856435b7c068800", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd169fd08074f29095088dc77c841332fb3f2fce7be0f1284856435b7c068800", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd169fd08074f29095088dc77c841332fb3f2fce7be0f1284856435b7c068800", kill_on_drop: false }` [INFO] [stdout] bd169fd08074f29095088dc77c841332fb3f2fce7be0f1284856435b7c068800 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 65eb039d74ec533b61496dfcc5adf134da052eed54e48dc9711ce80dedf0c2f8 [INFO] running `Command { std: "docker" "start" "-a" "65eb039d74ec533b61496dfcc5adf134da052eed54e48dc9711ce80dedf0c2f8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking tracing-unwrap v0.10.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling tracing-test-macro v0.2.4 [INFO] [stderr] Checking tracing-test v0.2.4 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.15s [INFO] running `Command { std: "docker" "inspect" "65eb039d74ec533b61496dfcc5adf134da052eed54e48dc9711ce80dedf0c2f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65eb039d74ec533b61496dfcc5adf134da052eed54e48dc9711ce80dedf0c2f8", kill_on_drop: false }` [INFO] [stdout] 65eb039d74ec533b61496dfcc5adf134da052eed54e48dc9711ce80dedf0c2f8 [INFO] checking tracing-unwrap-0.10.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate tracing-unwrap 0.10.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate tracing-unwrap 0.10.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tracing-unwrap 0.10.0 [INFO] finished tweaking crates.io crate tracing-unwrap 0.10.0 [INFO] tweaked toml for crates.io crate tracing-unwrap 0.10.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 33 packages [INFO] [stderr] Adding nu-ansi-term v0.46.0 (latest: v0.50.0) [INFO] [stderr] Adding regex-automata v0.1.10 (latest: v0.4.6) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.3) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a40f1e3eac030b0d5d2e974e2d9d0eeff25f93dabda7b56ddb9d27f07ff1ff61 [INFO] running `Command { std: "docker" "start" "-a" "a40f1e3eac030b0d5d2e974e2d9d0eeff25f93dabda7b56ddb9d27f07ff1ff61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a40f1e3eac030b0d5d2e974e2d9d0eeff25f93dabda7b56ddb9d27f07ff1ff61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a40f1e3eac030b0d5d2e974e2d9d0eeff25f93dabda7b56ddb9d27f07ff1ff61", kill_on_drop: false }` [INFO] [stdout] a40f1e3eac030b0d5d2e974e2d9d0eeff25f93dabda7b56ddb9d27f07ff1ff61 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 713f19f411280278d2604c885d4c4f337e76dc2cc5f71e29b33747a5350bdab1 [INFO] running `Command { std: "docker" "start" "-a" "713f19f411280278d2604c885d4c4f337e76dc2cc5f71e29b33747a5350bdab1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking tracing-unwrap v0.10.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling tracing-test-macro v0.2.4 [INFO] [stderr] Checking tracing-test v0.2.4 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.52s [INFO] running `Command { std: "docker" "inspect" "713f19f411280278d2604c885d4c4f337e76dc2cc5f71e29b33747a5350bdab1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "713f19f411280278d2604c885d4c4f337e76dc2cc5f71e29b33747a5350bdab1", kill_on_drop: false }` [INFO] [stdout] 713f19f411280278d2604c885d4c4f337e76dc2cc5f71e29b33747a5350bdab1