[INFO] fetching crate esl-compiler 0.0.0...
[INFO] checking esl-compiler-0.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate esl-compiler 0.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate esl-compiler 0.0.0 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 esl-compiler 0.0.0
[INFO] finished tweaking crates.io crate esl-compiler 0.0.0
[INFO] tweaked toml for crates.io crate esl-compiler 0.0.0 written to /workspace/builds/worker-0-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]      Locking 55 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding lsp-types v0.94.1 (latest: v0.95.1)
[INFO] [stderr]       Adding snafu v0.7.5 (latest: v0.8.2)
[INFO] [stderr]       Adding snafu-derive v0.7.5 (latest: v0.8.2)
[INFO] [stderr]       Adding strum v0.25.0 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.25.3 (latest: v0.26.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding yansi v0.5.1 (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]  Downloading crates ...
[INFO] [stderr]   Downloaded snafu v0.7.5
[INFO] [stderr]   Downloaded snafu-derive v0.7.5
[INFO] [stderr]   Downloaded strum_macros v0.25.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2d50440d9debfa70ca6930b6b5655eaeac6d3d2f0c3df3a9f77b728865c8084c
[INFO] running `Command { std: "docker" "start" "-a" "2d50440d9debfa70ca6930b6b5655eaeac6d3d2f0c3df3a9f77b728865c8084c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d50440d9debfa70ca6930b6b5655eaeac6d3d2f0c3df3a9f77b728865c8084c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d50440d9debfa70ca6930b6b5655eaeac6d3d2f0c3df3a9f77b728865c8084c", kill_on_drop: false }`
[INFO] [stdout] 2d50440d9debfa70ca6930b6b5655eaeac6d3d2f0c3df3a9f77b728865c8084c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 56ec65771e4b76e8744216e86af56e5c03c3c4ac22c2568844e31d9b7996d12a
[INFO] running `Command { std: "docker" "start" "-a" "56ec65771e4b76e8744216e86af56e5c03c3c4ac22c2568844e31d9b7996d12a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling snafu-derive v0.7.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]     Checking snafu v0.7.5
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking pest v2.7.9
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]    Compiling pest_meta v2.7.9
[INFO] [stderr]    Compiling pest_generator v2.7.9
[INFO] [stderr]    Compiling pest_derive v2.7.9
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking lsp-types v0.94.1
[INFO] [stderr]     Checking esl-compiler v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.67s
[INFO] running `Command { std: "docker" "inspect" "56ec65771e4b76e8744216e86af56e5c03c3c4ac22c2568844e31d9b7996d12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ec65771e4b76e8744216e86af56e5c03c3c4ac22c2568844e31d9b7996d12a", kill_on_drop: false }`
[INFO] [stdout] 56ec65771e4b76e8744216e86af56e5c03c3c4ac22c2568844e31d9b7996d12a
[INFO] checking esl-compiler-0.0.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate esl-compiler 0.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate esl-compiler 0.0.0 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 esl-compiler 0.0.0
[INFO] finished tweaking crates.io crate esl-compiler 0.0.0
[INFO] tweaked toml for crates.io crate esl-compiler 0.0.0 written to /workspace/builds/worker-0-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 55 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding lsp-types v0.94.1 (latest: v0.95.1)
[INFO] [stderr]       Adding snafu v0.7.5 (latest: v0.8.2)
[INFO] [stderr]       Adding snafu-derive v0.7.5 (latest: v0.8.2)
[INFO] [stderr]       Adding strum v0.25.0 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.25.3 (latest: v0.26.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding yansi v0.5.1 (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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7793d20b52ecf34b0308b9be7e1b410e9f2be06bba8d2f5cf95a381396a6881b
[INFO] running `Command { std: "docker" "start" "-a" "7793d20b52ecf34b0308b9be7e1b410e9f2be06bba8d2f5cf95a381396a6881b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7793d20b52ecf34b0308b9be7e1b410e9f2be06bba8d2f5cf95a381396a6881b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7793d20b52ecf34b0308b9be7e1b410e9f2be06bba8d2f5cf95a381396a6881b", kill_on_drop: false }`
[INFO] [stdout] 7793d20b52ecf34b0308b9be7e1b410e9f2be06bba8d2f5cf95a381396a6881b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3272ce4538d4089d5df5efa7fe181f539eed40a58edcaaed4356b210edfbc8c2
[INFO] running `Command { std: "docker" "start" "-a" "3272ce4538d4089d5df5efa7fe181f539eed40a58edcaaed4356b210edfbc8c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling snafu-derive v0.7.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]     Checking snafu v0.7.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling pest v2.7.9
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]    Compiling pest_meta v2.7.9
[INFO] [stderr]    Compiling pest_generator v2.7.9
[INFO] [stderr]    Compiling pest_derive v2.7.9
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking lsp-types v0.94.1
[INFO] [stderr]     Checking esl-compiler v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.43s
[INFO] running `Command { std: "docker" "inspect" "3272ce4538d4089d5df5efa7fe181f539eed40a58edcaaed4356b210edfbc8c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3272ce4538d4089d5df5efa7fe181f539eed40a58edcaaed4356b210edfbc8c2", kill_on_drop: false }`
[INFO] [stdout] 3272ce4538d4089d5df5efa7fe181f539eed40a58edcaaed4356b210edfbc8c2