[INFO] fetching crate goldilocks-json-fmt 0.2.0... [INFO] checking goldilocks-json-fmt-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate goldilocks-json-fmt 0.2.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate goldilocks-json-fmt 0.2.0 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 goldilocks-json-fmt 0.2.0 [INFO] finished tweaking crates.io crate goldilocks-json-fmt 0.2.0 [INFO] tweaked toml for crates.io crate goldilocks-json-fmt 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate goldilocks-json-fmt 0.2.0 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] Downloading crates ... [INFO] [stderr] Downloaded criterion v0.3.5 [INFO] [stderr] Downloaded plotters-backend v0.3.2 [INFO] [stderr] Downloaded plotters-svg v0.3.1 [INFO] [stderr] Downloaded crossbeam-channel v0.5.3 [INFO] [stderr] Downloaded walkdir v2.3.2 [INFO] [stderr] Downloaded criterion-plot v0.4.4 [INFO] [stderr] Downloaded semver v1.0.6 [INFO] [stderr] Downloaded bstr v0.2.17 [INFO] [stderr] Downloaded syn v1.0.88 [INFO] [stderr] Downloaded csv v1.1.6 [INFO] [stderr] Downloaded plotters v0.3.1 [INFO] [stderr] Downloaded libc v0.2.120 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e5587ffa7a954b99a1229f0672bc82a05cd26992a20cc9f6cc621ba96c34a045 [INFO] running `Command { std: "docker" "start" "-a" "e5587ffa7a954b99a1229f0672bc82a05cd26992a20cc9f6cc621ba96c34a045", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5587ffa7a954b99a1229f0672bc82a05cd26992a20cc9f6cc621ba96c34a045", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5587ffa7a954b99a1229f0672bc82a05cd26992a20cc9f6cc621ba96c34a045", kill_on_drop: false }` [INFO] [stdout] e5587ffa7a954b99a1229f0672bc82a05cd26992a20cc9f6cc621ba96c34a045 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8d367a4bac380d48ff514132c389ed61ef30bccffb56bac714042bbaddb55e52 [INFO] running `Command { std: "docker" "start" "-a" "8d367a4bac380d48ff514132c389ed61ef30bccffb56bac714042bbaddb55e52", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.6 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling libc v0.2.120 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling syn v1.0.88 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking crossbeam-channel v0.5.3 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking goldilocks-json-fmt v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking rayon v1.5.1 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.81s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [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" "8d367a4bac380d48ff514132c389ed61ef30bccffb56bac714042bbaddb55e52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d367a4bac380d48ff514132c389ed61ef30bccffb56bac714042bbaddb55e52", kill_on_drop: false }` [INFO] [stdout] 8d367a4bac380d48ff514132c389ed61ef30bccffb56bac714042bbaddb55e52