[INFO] fetching crate markdown-table-formatter 0.3.0...
[INFO] checking markdown-table-formatter-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate markdown-table-formatter 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate markdown-table-formatter 0.3.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate markdown-table-formatter 0.3.0
[INFO] finished tweaking crates.io crate markdown-table-formatter 0.3.0
[INFO] tweaked toml for crates.io crate markdown-table-formatter 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 92 packages
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding comrak v0.19.0 (latest: v0.22.0)
[INFO] [stderr]       Adding darling v0.14.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_core v0.14.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_macro v0.14.4 (latest: v0.20.8)
[INFO] [stderr]       Adding derive_builder v0.12.0 (latest: v0.20.0)
[INFO] [stderr]       Adding derive_builder_core v0.12.0 (latest: v0.20.0)
[INFO] [stderr]       Adding derive_builder_macro v0.12.0 (latest: v0.20.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding unicode-display-width v0.2.0 (latest: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-case-core v3.3.1
[INFO] [stderr]   Downloaded test-case v3.3.1
[INFO] [stderr]   Downloaded unicode-display-width v0.2.0
[INFO] [stderr]   Downloaded test-case-macros v3.3.1
[INFO] [stderr]   Downloaded comrak v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4be31c031442487b20937847591f647815b4466ac9eb1090e73f17077aae44ed
[INFO] running `Command { std: "docker" "start" "-a" "4be31c031442487b20937847591f647815b4466ac9eb1090e73f17077aae44ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4be31c031442487b20937847591f647815b4466ac9eb1090e73f17077aae44ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be31c031442487b20937847591f647815b4466ac9eb1090e73f17077aae44ed", kill_on_drop: false }`
[INFO] [stdout] 4be31c031442487b20937847591f647815b4466ac9eb1090e73f17077aae44ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fab1a24d3e647e8f1b2e4a9c18459273ff9532f75b0a12b6364ecf1732a236fc
[INFO] running `Command { std: "docker" "start" "-a" "fab1a24d3e647e8f1b2e4a9c18459273ff9532f75b0a12b6364ecf1732a236fc", kill_on_drop: false }`
[INFO] [stderr]     Checking deunicode v1.4.3
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking unicode-display-width v0.2.0
[INFO] [stderr]     Checking slug v0.1.5
[INFO] [stderr]     Checking comrak v0.19.0
[INFO] [stderr]     Checking markdown-table-formatter v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling test-case-core v3.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling test-case-macros v3.3.1
[INFO] [stderr]     Checking test-case v3.3.1
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.68s
[INFO] running `Command { std: "docker" "inspect" "fab1a24d3e647e8f1b2e4a9c18459273ff9532f75b0a12b6364ecf1732a236fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fab1a24d3e647e8f1b2e4a9c18459273ff9532f75b0a12b6364ecf1732a236fc", kill_on_drop: false }`
[INFO] [stdout] fab1a24d3e647e8f1b2e4a9c18459273ff9532f75b0a12b6364ecf1732a236fc