[INFO] fetching crate burden 0.2.1...
[INFO] checking burden-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate burden 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate burden 0.2.1 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 burden 0.2.1
[INFO] finished tweaking crates.io crate burden 0.2.1
[INFO] tweaked toml for crates.io crate burden 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate burden 0.2.1 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 parking_lot_core v0.9.3
[INFO] [stderr]   Downloaded signal-hook-mio v0.2.3
[INFO] [stderr]   Downloaded smallvec v1.9.0
[INFO] [stderr]   Downloaded log v0.4.17
[INFO] [stderr]   Downloaded itoa v1.0.3
[INFO] [stderr]   Downloaded cargo_metadata v0.15.0
[INFO] [stderr]   Downloaded camino v1.1.1
[INFO] [stderr]   Downloaded ryu v1.0.11
[INFO] [stderr]   Downloaded cargo-platform v0.1.2
[INFO] [stderr]   Downloaded syn v1.0.99
[INFO] [stderr]   Downloaded serde v1.0.144
[INFO] [stderr]   Downloaded libc v0.2.132
[INFO] [stderr]   Downloaded serde_json v1.0.85
[INFO] [stderr]   Downloaded crossterm v0.25.0
[INFO] [stderr]   Downloaded semver v1.0.13
[INFO] [stderr]   Downloaded proc-macro2 v1.0.43
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded unicode-ident v1.0.3
[INFO] [stderr]   Downloaded serde_derive v1.0.144
[INFO] [stderr]   Downloaded crossterm_winapi v0.9.0
[INFO] [stderr]   Downloaded mio v0.8.4
[INFO] [stderr]   Downloaded signal-hook v0.3.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c473f3bef8de016c4d04ed4e910ccf8ffb84a2f3b0ce09650c634ee91c91ea5b
[INFO] running `Command { std: "docker" "start" "-a" "c473f3bef8de016c4d04ed4e910ccf8ffb84a2f3b0ce09650c634ee91c91ea5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c473f3bef8de016c4d04ed4e910ccf8ffb84a2f3b0ce09650c634ee91c91ea5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c473f3bef8de016c4d04ed4e910ccf8ffb84a2f3b0ce09650c634ee91c91ea5b", kill_on_drop: false }`
[INFO] [stdout] c473f3bef8de016c4d04ed4e910ccf8ffb84a2f3b0ce09650c634ee91c91ea5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e1088bc5350143a7c4dfc0de77b4e05075a9f767478b10b1e85abb5b241a6c84
[INFO] running `Command { std: "docker" "start" "-a" "e1088bc5350143a7c4dfc0de77b4e05075a9f767478b10b1e85abb5b241a6c84", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling semver v1.0.13
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling camino v1.1.1
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking cargo_metadata v0.15.0
[INFO] [stderr]     Checking burden v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.24s
[INFO] running `Command { std: "docker" "inspect" "e1088bc5350143a7c4dfc0de77b4e05075a9f767478b10b1e85abb5b241a6c84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1088bc5350143a7c4dfc0de77b4e05075a9f767478b10b1e85abb5b241a6c84", kill_on_drop: false }`
[INFO] [stdout] e1088bc5350143a7c4dfc0de77b4e05075a9f767478b10b1e85abb5b241a6c84