[INFO] fetching crate ultron-syntaxes-themes 0.4.0...
[INFO] checking ultron-syntaxes-themes-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate ultron-syntaxes-themes 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate ultron-syntaxes-themes 0.4.0 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 ultron-syntaxes-themes 0.4.0
[INFO] finished tweaking crates.io crate ultron-syntaxes-themes 0.4.0
[INFO] tweaked toml for crates.io crate ultron-syntaxes-themes 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate ultron-syntaxes-themes 0.4.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded fancy-regex v0.7.1
[INFO] [stderr]   Downloaded plist v1.4.3
[INFO] [stderr]   Downloaded syntect v5.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7fb64c91cd341b7ec5cbc264003aa245d41028dc8532a55698bd86e432cdd09a
[INFO] running `Command { std: "docker" "start" "-a" "7fb64c91cd341b7ec5cbc264003aa245d41028dc8532a55698bd86e432cdd09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fb64c91cd341b7ec5cbc264003aa245d41028dc8532a55698bd86e432cdd09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb64c91cd341b7ec5cbc264003aa245d41028dc8532a55698bd86e432cdd09a", kill_on_drop: false }`
[INFO] [stdout] 7fb64c91cd341b7ec5cbc264003aa245d41028dc8532a55698bd86e432cdd09a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3fdab6c9acd281c969c0917f3ed1bd69aacc158c0e1c90c2416beec43011d9ba
[INFO] running `Command { std: "docker" "start" "-a" "3fdab6c9acd281c969c0917f3ed1bd69aacc158c0e1c90c2416beec43011d9ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]     Checking time v0.3.22
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking quick-xml v0.28.2
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking plist v1.4.3
[INFO] [stderr]     Checking fancy-regex v0.7.1
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]     Checking syntect v5.0.0
[INFO] [stderr]     Checking ultron-syntaxes-themes v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.90s
[INFO] running `Command { std: "docker" "inspect" "3fdab6c9acd281c969c0917f3ed1bd69aacc158c0e1c90c2416beec43011d9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fdab6c9acd281c969c0917f3ed1bd69aacc158c0e1c90c2416beec43011d9ba", kill_on_drop: false }`
[INFO] [stdout] 3fdab6c9acd281c969c0917f3ed1bd69aacc158c0e1c90c2416beec43011d9ba
[INFO] checking ultron-syntaxes-themes-0.4.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate ultron-syntaxes-themes 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate ultron-syntaxes-themes 0.4.0 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 ultron-syntaxes-themes 0.4.0
[INFO] finished tweaking crates.io crate ultron-syntaxes-themes 0.4.0
[INFO] tweaked toml for crates.io crate ultron-syntaxes-themes 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate ultron-syntaxes-themes 0.4.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ad5d63668f7d2e2f49d2f836d99bc879bb992c5083f00b95b1fe30a257cf2ed9
[INFO] running `Command { std: "docker" "start" "-a" "ad5d63668f7d2e2f49d2f836d99bc879bb992c5083f00b95b1fe30a257cf2ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad5d63668f7d2e2f49d2f836d99bc879bb992c5083f00b95b1fe30a257cf2ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad5d63668f7d2e2f49d2f836d99bc879bb992c5083f00b95b1fe30a257cf2ed9", kill_on_drop: false }`
[INFO] [stdout] ad5d63668f7d2e2f49d2f836d99bc879bb992c5083f00b95b1fe30a257cf2ed9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 04e281d345169d87f7cc21cee8c1bc9878340634d988ed12e1dd0c773b787288
[INFO] running `Command { std: "docker" "start" "-a" "04e281d345169d87f7cc21cee8c1bc9878340634d988ed12e1dd0c773b787288", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking quick-xml v0.28.2
[INFO] [stderr]     Checking time v0.3.22
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]     Checking fancy-regex v0.7.1
[INFO] [stderr]     Checking plist v1.4.3
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]     Checking syntect v5.0.0
[INFO] [stderr]     Checking ultron-syntaxes-themes v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.16s
[INFO] running `Command { std: "docker" "inspect" "04e281d345169d87f7cc21cee8c1bc9878340634d988ed12e1dd0c773b787288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04e281d345169d87f7cc21cee8c1bc9878340634d988ed12e1dd0c773b787288", kill_on_drop: false }`
[INFO] [stdout] 04e281d345169d87f7cc21cee8c1bc9878340634d988ed12e1dd0c773b787288