[INFO] fetching crate susie 0.1.0... [INFO] checking susie-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate susie 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate susie 0.1.0 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 susie 0.1.0 [INFO] finished tweaking crates.io crate susie 0.1.0 [INFO] tweaked toml for crates.io crate susie 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate susie 0.1.0 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cc v1.0.47 [INFO] [stderr] Downloaded constant_time_eq v0.1.4 [INFO] [stderr] Downloaded termion v1.5.3 [INFO] [stderr] Downloaded ref_thread_local v0.0.0 [INFO] [stderr] Downloaded blake2b_simd v0.5.9 [INFO] [stderr] Downloaded arrayref v0.3.5 [INFO] [stderr] Downloaded failure v0.1.6 [INFO] [stderr] Downloaded thiserror-impl v1.0.5 [INFO] [stderr] Downloaded smallvec v1.0.0 [INFO] [stderr] Downloaded cranelift-bforest v0.50.0 [INFO] [stderr] Downloaded cranelift-codegen-meta v0.50.0 [INFO] [stderr] Downloaded nix v0.15.0 [INFO] [stderr] Downloaded cranelift-codegen v0.50.0 [INFO] [stderr] Downloaded backtrace-sys v0.1.32 [INFO] [stderr] Downloaded lexical-core v0.4.6 [INFO] [stderr] Downloaded rug v1.6.0 [INFO] [stderr] Downloaded lexical v2.2.2 [INFO] [stderr] Downloaded backtrace v0.3.40 [INFO] [stderr] Downloaded cranelift-entity v0.50.0 [INFO] [stderr] Downloaded target-lexicon v0.9.0 [INFO] [stderr] Downloaded cranelift-frontend v0.50.0 [INFO] [stderr] Downloaded indexmap v1.3.0 [INFO] [stderr] Downloaded static_assertions v0.3.4 [INFO] [stderr] Downloaded synstructure v0.12.3 [INFO] [stderr] Downloaded thiserror v1.0.5 [INFO] [stderr] Downloaded downcast v0.10.0 [INFO] [stderr] Downloaded ryu v1.0.2 [INFO] [stderr] Downloaded ordered-float v0.5.2 [INFO] [stderr] Downloaded rustc-demangle v0.1.16 [INFO] [stderr] Downloaded cranelift v0.50.0 [INFO] [stderr] Downloaded failure_derive v0.1.6 [INFO] [stderr] Downloaded rustyline v5.0.4 [INFO] [stderr] Downloaded rust-argon2 v0.5.1 [INFO] [stderr] Downloaded redox_users v0.3.1 [INFO] [stderr] Downloaded scryer-prolog v0.8.115 [INFO] [stderr] Downloaded cranelift-codegen-shared v0.50.0 [INFO] [stderr] Downloaded prolog_parser v0.8.34 [INFO] [stderr] Downloaded gmp-mpfr-sys v1.1.14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e0d2791e48bf66bd209e34e61515b19fc694ee8600adf42a73d3fa9ded83f88a [INFO] running `Command { std: "docker" "start" "-a" "e0d2791e48bf66bd209e34e61515b19fc694ee8600adf42a73d3fa9ded83f88a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0d2791e48bf66bd209e34e61515b19fc694ee8600adf42a73d3fa9ded83f88a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0d2791e48bf66bd209e34e61515b19fc694ee8600adf42a73d3fa9ded83f88a", kill_on_drop: false }` [INFO] [stdout] e0d2791e48bf66bd209e34e61515b19fc694ee8600adf42a73d3fa9ded83f88a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cb2cc948bb1da1e2d157c4f60fc1a9a1be15a039dedba034b6df3537fc5d1a48 [INFO] running `Command { std: "docker" "start" "-a" "cb2cc948bb1da1e2d157c4f60fc1a9a1be15a039dedba034b6df3537fc5d1a48", kill_on_drop: false }` [INFO] [stderr] warning: susie v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `scryer-prolog` which is missing a lib target [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling cranelift-entity v0.50.0 [INFO] [stderr] Compiling cranelift-codegen-shared v0.50.0 [INFO] [stderr] Compiling target-lexicon v0.9.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking smallvec v1.0.0 [INFO] [stderr] Compiling cranelift-codegen-meta v0.50.0 [INFO] [stderr] Checking cranelift-bforest v0.50.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling thiserror-impl v1.0.5 [INFO] [stderr] Checking thiserror v1.0.5 [INFO] [stderr] Compiling cranelift-codegen v0.50.0 [INFO] [stderr] Checking cranelift-frontend v0.50.0 [INFO] [stderr] Checking cranelift v0.50.0 [INFO] [stderr] Checking susie v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.71s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.50.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "cb2cc948bb1da1e2d157c4f60fc1a9a1be15a039dedba034b6df3537fc5d1a48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb2cc948bb1da1e2d157c4f60fc1a9a1be15a039dedba034b6df3537fc5d1a48", kill_on_drop: false }` [INFO] [stdout] cb2cc948bb1da1e2d157c4f60fc1a9a1be15a039dedba034b6df3537fc5d1a48 [INFO] checking susie-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate susie 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate susie 0.1.0 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 susie 0.1.0 [INFO] finished tweaking crates.io crate susie 0.1.0 [INFO] tweaked toml for crates.io crate susie 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate susie 0.1.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cdffa9e3bf185326f0a0ad3d7595663f2606af7a65a3a1aa54a6632f89f095a6 [INFO] running `Command { std: "docker" "start" "-a" "cdffa9e3bf185326f0a0ad3d7595663f2606af7a65a3a1aa54a6632f89f095a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cdffa9e3bf185326f0a0ad3d7595663f2606af7a65a3a1aa54a6632f89f095a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cdffa9e3bf185326f0a0ad3d7595663f2606af7a65a3a1aa54a6632f89f095a6", kill_on_drop: false }` [INFO] [stdout] cdffa9e3bf185326f0a0ad3d7595663f2606af7a65a3a1aa54a6632f89f095a6 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 36788810becef8bcfae7e67dced41839bd91fdf4b7e07eeac6a7d3cc7e5a8b4a [INFO] running `Command { std: "docker" "start" "-a" "36788810becef8bcfae7e67dced41839bd91fdf4b7e07eeac6a7d3cc7e5a8b4a", kill_on_drop: false }` [INFO] [stderr] warning: susie v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `scryer-prolog` which is missing a lib target [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling cranelift-entity v0.50.0 [INFO] [stderr] Compiling cranelift-codegen-shared v0.50.0 [INFO] [stderr] Compiling target-lexicon v0.9.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling cranelift-codegen-meta v0.50.0 [INFO] [stderr] Checking smallvec v1.0.0 [INFO] [stderr] Checking cranelift-bforest v0.50.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling thiserror-impl v1.0.5 [INFO] [stderr] Checking thiserror v1.0.5 [INFO] [stderr] Compiling cranelift-codegen v0.50.0 [INFO] [stderr] Checking cranelift-frontend v0.50.0 [INFO] [stderr] Checking cranelift v0.50.0 [INFO] [stderr] Checking susie v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.16s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.50.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "36788810becef8bcfae7e67dced41839bd91fdf4b7e07eeac6a7d3cc7e5a8b4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36788810becef8bcfae7e67dced41839bd91fdf4b7e07eeac6a7d3cc7e5a8b4a", kill_on_drop: false }` [INFO] [stdout] 36788810becef8bcfae7e67dced41839bd91fdf4b7e07eeac6a7d3cc7e5a8b4a