[INFO] fetching crate tracers-build 0.1.0...
[INFO] building tracers-build-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate tracers-build 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate tracers-build 0.1.0
[INFO] finished tweaking crates.io crate tracers-build 0.1.0
[INFO] tweaked toml for crates.io crate tracers-build 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracers-build 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 86 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 165d19a8f16adc1778858276ddaefe4427270b13b87f65b969da8d5af4c0033b
[INFO] running `Command { std: "docker" "start" "-a" "165d19a8f16adc1778858276ddaefe4427270b13b87f65b969da8d5af4c0033b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "165d19a8f16adc1778858276ddaefe4427270b13b87f65b969da8d5af4c0033b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165d19a8f16adc1778858276ddaefe4427270b13b87f65b969da8d5af4c0033b", kill_on_drop: false }`
[INFO] [stdout] 165d19a8f16adc1778858276ddaefe4427270b13b87f65b969da8d5af4c0033b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fc61ff11228bcfdcd00aabc8fc5aec0a940b3f73ffd370c29f32be70aa22326
[INFO] running `Command { std: "docker" "start" "-a" "3fc61ff11228bcfdcd00aabc8fc5aec0a940b3f73ffd370c29f32be70aa22326", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling strum v0.16.0
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tracers-core v0.1.0
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_str v0.1.0
[INFO] [stderr]    Compiling cargo_metadata v0.9.1
[INFO] [stderr]    Compiling askama_shared v0.8.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling askama_derive v0.8.0
[INFO] [stderr]    Compiling askama v0.8.0
[INFO] [stderr]    Compiling tracers-codegen v0.1.0
[INFO] [stderr]    Compiling tracers-build v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.47s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "3fc61ff11228bcfdcd00aabc8fc5aec0a940b3f73ffd370c29f32be70aa22326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc61ff11228bcfdcd00aabc8fc5aec0a940b3f73ffd370c29f32be70aa22326", kill_on_drop: false }`
[INFO] [stdout] 3fc61ff11228bcfdcd00aabc8fc5aec0a940b3f73ffd370c29f32be70aa22326
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1f9fd0dd118056e00a4431b94d0b28db1e438391efa6997ddde04fcb9ee2d3a
[INFO] running `Command { std: "docker" "start" "-a" "a1f9fd0dd118056e00a4431b94d0b28db1e438391efa6997ddde04fcb9ee2d3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracers-build v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "a1f9fd0dd118056e00a4431b94d0b28db1e438391efa6997ddde04fcb9ee2d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f9fd0dd118056e00a4431b94d0b28db1e438391efa6997ddde04fcb9ee2d3a", kill_on_drop: false }`
[INFO] [stdout] a1f9fd0dd118056e00a4431b94d0b28db1e438391efa6997ddde04fcb9ee2d3a