[INFO] fetching crate rings 0.2.0...
[INFO] checking rings-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate rings 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rings 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 rings 0.2.0
[INFO] finished tweaking crates.io crate rings 0.2.0
[INFO] tweaked toml for crates.io crate rings 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 45 packages
[INFO] [stderr]       Adding sauron v0.60.7 (latest: v0.61.0)
[INFO] [stderr]       Adding sauron-core v0.60.7 (latest: v0.61.2)
[INFO] [stderr]       Adding sauron-macro v0.60.7 (latest: v0.61.0)
[INFO] [stderr]       Adding serde-wasm-bindgen v0.5.0 (latest: v0.6.5)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded longest-increasing-subsequence v0.1.0
[INFO] [stderr]   Downloaded sauron v0.60.7
[INFO] [stderr]   Downloaded mt-dom v0.59.2
[INFO] [stderr]   Downloaded sauron-core v0.60.7
[INFO] [stderr]   Downloaded sauron-macro v0.60.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e9217632050337bd2ec7595425650a3b5e4259d46e622cb3e29d9ef3fc1f0979
[INFO] running `Command { std: "docker" "start" "-a" "e9217632050337bd2ec7595425650a3b5e4259d46e622cb3e29d9ef3fc1f0979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9217632050337bd2ec7595425650a3b5e4259d46e622cb3e29d9ef3fc1f0979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9217632050337bd2ec7595425650a3b5e4259d46e622cb3e29d9ef3fc1f0979", kill_on_drop: false }`
[INFO] [stdout] e9217632050337bd2ec7595425650a3b5e4259d46e622cb3e29d9ef3fc1f0979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0c15d97f5000783cdfbbba876a82f4b4f117a9ce59ecbea892de996422f9cbde
[INFO] running `Command { std: "docker" "start" "-a" "0c15d97f5000783cdfbbba876a82f4b4f117a9ce59ecbea892de996422f9cbde", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling longest-increasing-subsequence v0.1.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling mt-dom v0.59.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling syn_derive v0.1.8
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling rstml v0.11.2
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking serde-wasm-bindgen v0.5.0
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.42
[INFO] [stderr]     Checking sauron-core v0.60.7
[INFO] [stderr]    Compiling sauron-macro v0.60.7
[INFO] [stderr]     Checking sauron v0.60.7
[INFO] [stderr]     Checking rings v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.71s
[INFO] running `Command { std: "docker" "inspect" "0c15d97f5000783cdfbbba876a82f4b4f117a9ce59ecbea892de996422f9cbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c15d97f5000783cdfbbba876a82f4b4f117a9ce59ecbea892de996422f9cbde", kill_on_drop: false }`
[INFO] [stdout] 0c15d97f5000783cdfbbba876a82f4b4f117a9ce59ecbea892de996422f9cbde
[INFO] checking rings-0.2.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate rings 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate rings 0.2.0 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 rings 0.2.0
[INFO] finished tweaking crates.io crate rings 0.2.0
[INFO] tweaked toml for crates.io crate rings 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages
[INFO] [stderr]       Adding sauron v0.60.7 (latest: v0.61.0)
[INFO] [stderr]       Adding sauron-core v0.60.7 (latest: v0.61.2)
[INFO] [stderr]       Adding sauron-macro v0.60.7 (latest: v0.61.0)
[INFO] [stderr]       Adding serde-wasm-bindgen v0.5.0 (latest: v0.6.5)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2456dc1457bf4a01eea0c079e1505a496d29076220a8572cacddbf0ee8191b1f
[INFO] running `Command { std: "docker" "start" "-a" "2456dc1457bf4a01eea0c079e1505a496d29076220a8572cacddbf0ee8191b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2456dc1457bf4a01eea0c079e1505a496d29076220a8572cacddbf0ee8191b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2456dc1457bf4a01eea0c079e1505a496d29076220a8572cacddbf0ee8191b1f", kill_on_drop: false }`
[INFO] [stdout] 2456dc1457bf4a01eea0c079e1505a496d29076220a8572cacddbf0ee8191b1f
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72b46601e44710ed11f72082e8e838dfc04b34564a680a884bf6bd8a3936200a
[INFO] running `Command { std: "docker" "start" "-a" "72b46601e44710ed11f72082e8e838dfc04b34564a680a884bf6bd8a3936200a", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling longest-increasing-subsequence v0.1.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling mt-dom v0.59.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling syn_derive v0.1.8
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling rstml v0.11.2
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.42
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking serde-wasm-bindgen v0.5.0
[INFO] [stderr]    Compiling sauron-core v0.60.7
[INFO] [stderr]    Compiling sauron-macro v0.60.7
[INFO] [stderr]     Checking sauron v0.60.7
[INFO] [stderr]     Checking rings v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.41s
[INFO] running `Command { std: "docker" "inspect" "72b46601e44710ed11f72082e8e838dfc04b34564a680a884bf6bd8a3936200a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b46601e44710ed11f72082e8e838dfc04b34564a680a884bf6bd8a3936200a", kill_on_drop: false }`
[INFO] [stdout] 72b46601e44710ed11f72082e8e838dfc04b34564a680a884bf6bd8a3936200a