[INFO] fetching crate latexbuild 0.3.2...
[INFO] checking latexbuild-0.3.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate latexbuild 0.3.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate latexbuild 0.3.2 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 latexbuild 0.3.2
[INFO] finished tweaking crates.io crate latexbuild 0.3.2
[INFO] tweaked toml for crates.io crate latexbuild 0.3.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate latexbuild 0.3.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 644a84e7f67b972ca4b6cc0bb695706d22c1ffb7458a6454c5ee587bbf721f55
[INFO] running `Command { std: "docker" "start" "-a" "644a84e7f67b972ca4b6cc0bb695706d22c1ffb7458a6454c5ee587bbf721f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "644a84e7f67b972ca4b6cc0bb695706d22c1ffb7458a6454c5ee587bbf721f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "644a84e7f67b972ca4b6cc0bb695706d22c1ffb7458a6454c5ee587bbf721f55", kill_on_drop: false }`
[INFO] [stdout] 644a84e7f67b972ca4b6cc0bb695706d22c1ffb7458a6454c5ee587bbf721f55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ec317513a96fc0f64158a1ccc5447b1c71fd584d90dd6876efb99f87af9bee9f
[INFO] running `Command { std: "docker" "start" "-a" "ec317513a96fc0f64158a1ccc5447b1c71fd584d90dd6876efb99f87af9bee9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking latexbuild v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `json` is imported redundantly
[INFO] [stdout]  --> src/latexbuild/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use json;
[INFO] [stdout]   |     ^^^^ the item `json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `build::*`
[INFO] [stdout]   --> src/latexbuild/lib.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use build::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `make::*`
[INFO] [stdout]  --> src/latexbuild/generate/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use make::*;
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `json` is imported redundantly
[INFO] [stdout]  --> src/latexbuild/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use json;
[INFO] [stdout]   |     ^^^^ the item `json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `build::*`
[INFO] [stdout]   --> src/latexbuild/lib.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use build::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `make::*`
[INFO] [stdout]  --> src/latexbuild/generate/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use make::*;
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.05s
[INFO] running `Command { std: "docker" "inspect" "ec317513a96fc0f64158a1ccc5447b1c71fd584d90dd6876efb99f87af9bee9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec317513a96fc0f64158a1ccc5447b1c71fd584d90dd6876efb99f87af9bee9f", kill_on_drop: false }`
[INFO] [stdout] ec317513a96fc0f64158a1ccc5447b1c71fd584d90dd6876efb99f87af9bee9f
[INFO] checking latexbuild-0.3.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate latexbuild 0.3.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate latexbuild 0.3.2 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate latexbuild 0.3.2
[INFO] finished tweaking crates.io crate latexbuild 0.3.2
[INFO] tweaked toml for crates.io crate latexbuild 0.3.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate latexbuild 0.3.2 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0dd7ce7833ead1053aa177494feec8ad5f2f1cc68cf68d9c618986af6b378000
[INFO] running `Command { std: "docker" "start" "-a" "0dd7ce7833ead1053aa177494feec8ad5f2f1cc68cf68d9c618986af6b378000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dd7ce7833ead1053aa177494feec8ad5f2f1cc68cf68d9c618986af6b378000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd7ce7833ead1053aa177494feec8ad5f2f1cc68cf68d9c618986af6b378000", kill_on_drop: false }`
[INFO] [stdout] 0dd7ce7833ead1053aa177494feec8ad5f2f1cc68cf68d9c618986af6b378000
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac7af994c45c54fe5825a94554176ad7d0d6a85b573742961f3af0b4473ae9cc
[INFO] running `Command { std: "docker" "start" "-a" "ac7af994c45c54fe5825a94554176ad7d0d6a85b573742961f3af0b4473ae9cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking latexbuild v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `json` is imported redundantly
[INFO] [stdout]  --> src/latexbuild/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use json;
[INFO] [stdout]   |     ^^^^ the item `json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `build::*`
[INFO] [stdout]   --> src/latexbuild/lib.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use build::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `make::*`
[INFO] [stdout]  --> src/latexbuild/generate/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use make::*;
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `json` is imported redundantly
[INFO] [stdout]  --> src/latexbuild/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use json;
[INFO] [stdout]   |     ^^^^ the item `json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `build::*`
[INFO] [stdout]   --> src/latexbuild/lib.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use build::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `make::*`
[INFO] [stdout]  --> src/latexbuild/generate/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use make::*;
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "ac7af994c45c54fe5825a94554176ad7d0d6a85b573742961f3af0b4473ae9cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7af994c45c54fe5825a94554176ad7d0d6a85b573742961f3af0b4473ae9cc", kill_on_drop: false }`
[INFO] [stdout] ac7af994c45c54fe5825a94554176ad7d0d6a85b573742961f3af0b4473ae9cc