[INFO] fetching crate gtmpl 0.7.1...
[INFO] checking gtmpl-0.7.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate gtmpl 0.7.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate gtmpl 0.7.1 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] started tweaking crates.io crate gtmpl 0.7.1
[INFO] finished tweaking crates.io crate gtmpl 0.7.1
[INFO] tweaked toml for crates.io crate gtmpl 0.7.1 written to /workspace/builds/worker-4-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 13 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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 gtmpl_value v0.5.1
[INFO] [stderr]   Downloaded gtmpl_derive v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e0177e28a59ca70201ab208ff33b59f3b8bcebcc6a3db69a4b82246eceb0c1e0
[INFO] running `Command { std: "docker" "start" "-a" "e0177e28a59ca70201ab208ff33b59f3b8bcebcc6a3db69a4b82246eceb0c1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0177e28a59ca70201ab208ff33b59f3b8bcebcc6a3db69a4b82246eceb0c1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0177e28a59ca70201ab208ff33b59f3b8bcebcc6a3db69a4b82246eceb0c1e0", kill_on_drop: false }`
[INFO] [stdout] e0177e28a59ca70201ab208ff33b59f3b8bcebcc6a3db69a4b82246eceb0c1e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 458659ccc52429259094ebb46a5d0735d8f653a448932c069831640f9bab2d17
[INFO] running `Command { std: "docker" "start" "-a" "458659ccc52429259094ebb46a5d0735d8f653a448932c069831640f9bab2d17", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking gtmpl_value v0.5.1
[INFO] [stderr]     Checking gtmpl v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling gtmpl_derive v0.5.0
[INFO] [stdout] warning: the item `ItemType` is imported redundantly
[INFO] [stdout]    --> src/parse.rs:768:9
[INFO] [stdout]     |
[INFO] [stdout] 767 |     use super::*;
[INFO] [stdout]     |         -------- the item `ItemType` is already imported here
[INFO] [stdout] 768 |     use crate::lexer::ItemType;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "458659ccc52429259094ebb46a5d0735d8f653a448932c069831640f9bab2d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "458659ccc52429259094ebb46a5d0735d8f653a448932c069831640f9bab2d17", kill_on_drop: false }`
[INFO] [stdout] 458659ccc52429259094ebb46a5d0735d8f653a448932c069831640f9bab2d17
[INFO] checking gtmpl-0.7.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate gtmpl 0.7.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate gtmpl 0.7.1 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gtmpl 0.7.1
[INFO] finished tweaking crates.io crate gtmpl 0.7.1
[INFO] tweaked toml for crates.io crate gtmpl 0.7.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce5439e451def78593a0be929622df78361193b8cd39bb34470ddcbcdd604e67
[INFO] running `Command { std: "docker" "start" "-a" "ce5439e451def78593a0be929622df78361193b8cd39bb34470ddcbcdd604e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce5439e451def78593a0be929622df78361193b8cd39bb34470ddcbcdd604e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce5439e451def78593a0be929622df78361193b8cd39bb34470ddcbcdd604e67", kill_on_drop: false }`
[INFO] [stdout] ce5439e451def78593a0be929622df78361193b8cd39bb34470ddcbcdd604e67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5f7e08e65ae4d68b8431a110827a437a67bd830c5935cf2b9cc4d77340f53e6
[INFO] running `Command { std: "docker" "start" "-a" "d5f7e08e65ae4d68b8431a110827a437a67bd830c5935cf2b9cc4d77340f53e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking gtmpl_value v0.5.1
[INFO] [stderr]     Checking gtmpl v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling gtmpl_derive v0.5.0
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> src/printf.rs:196:21
[INFO] [stdout]     |
[INFO] [stdout] 196 | /                     return Err(PrintError::UnableToTerminateFormatArg(
[INFO] [stdout] 197 | |                         s[from..].to_string(),
[INFO] [stdout] 198 | |                     ))
[INFO] [stdout]     | |______________________^ cannot satisfy `_ -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gtmpl` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d5f7e08e65ae4d68b8431a110827a437a67bd830c5935cf2b9cc4d77340f53e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5f7e08e65ae4d68b8431a110827a437a67bd830c5935cf2b9cc4d77340f53e6", kill_on_drop: false }`
[INFO] [stdout] d5f7e08e65ae4d68b8431a110827a437a67bd830c5935cf2b9cc4d77340f53e6