[INFO] fetching crate tracing-rtt 0.1.1...
[INFO] checking tracing-rtt-0.1.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate tracing-rtt 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tracing-rtt 0.1.1
[INFO] finished tweaking crates.io crate tracing-rtt 0.1.1
[INFO] tweaked toml for crates.io crate tracing-rtt 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-rtt 0.1.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding rtt-target v0.5.0 (available: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48461ea30092e2abb6680233d7dd8581302f55a09462098ccbda1da9d2a47bf9
[INFO] running `Command { std: "docker" "start" "-a" "48461ea30092e2abb6680233d7dd8581302f55a09462098ccbda1da9d2a47bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48461ea30092e2abb6680233d7dd8581302f55a09462098ccbda1da9d2a47bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48461ea30092e2abb6680233d7dd8581302f55a09462098ccbda1da9d2a47bf9", kill_on_drop: false }`
[INFO] [stdout] 48461ea30092e2abb6680233d7dd8581302f55a09462098ccbda1da9d2a47bf9
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aba95185111d8b14fce72df62b6158d4333eaeff562bd56240733c80b7600530
[INFO] running `Command { std: "docker" "start" "-a" "aba95185111d8b14fce72df62b6158d4333eaeff562bd56240733c80b7600530", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking time-core v0.1.4
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]     Checking rtt-target v0.5.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking tracing-rtt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 7.64s
[INFO] running `Command { std: "docker" "inspect" "aba95185111d8b14fce72df62b6158d4333eaeff562bd56240733c80b7600530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba95185111d8b14fce72df62b6158d4333eaeff562bd56240733c80b7600530", kill_on_drop: false }`
[INFO] [stdout] aba95185111d8b14fce72df62b6158d4333eaeff562bd56240733c80b7600530