[INFO] cloning repository https://github.com/otatski/vivify
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/otatski/vivify" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fotatski%2Fvivify", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fotatski%2Fvivify'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d4cb84f0b9a5930e2f87a26916ca2872b1fe56a
[INFO] checking otatski/vivify against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fotatski%2Fvivify" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/otatski/vivify 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 git repo https://github.com/otatski/vivify
[INFO] finished tweaking git repo https://github.com/otatski/vivify
[INFO] tweaked toml for git repo https://github.com/otatski/vivify written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/otatski/vivify 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-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] 74737f23ded4385e3fe3d39ff8626612ffed641c2ab96a66cbb82126d6f71be5
[INFO] running `Command { std: "docker" "start" "-a" "74737f23ded4385e3fe3d39ff8626612ffed641c2ab96a66cbb82126d6f71be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74737f23ded4385e3fe3d39ff8626612ffed641c2ab96a66cbb82126d6f71be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74737f23ded4385e3fe3d39ff8626612ffed641c2ab96a66cbb82126d6f71be5", kill_on_drop: false }`
[INFO] [stdout] 74737f23ded4385e3fe3d39ff8626612ffed641c2ab96a66cbb82126d6f71be5
[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] 87b33b330273e1a3ff50fa5c288ffb7c4b2d5c5abe56d7413e8c96befbe6aa23
[INFO] running `Command { std: "docker" "start" "-a" "87b33b330273e1a3ff50fa5c288ffb7c4b2d5c5abe56d7413e8c96befbe6aa23", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde v1.0.142
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.142
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking newline-converter v0.2.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking signal-hook v0.3.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.21.0
[INFO] [stderr]     Checking crossterm v0.23.2
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking tui v0.18.0
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking inquire v0.2.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking vivify v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/main.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let info = vec!["Info0", "Info1", "Info2", "Info3"];
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inner_chunks`
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let inner_chunks = Layout::default()
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inner_chunks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/main.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let info = vec!["Info0", "Info1", "Info2", "Info3"];
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inner_chunks`
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let inner_chunks = Layout::default()
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inner_chunks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.91s
[INFO] running `Command { std: "docker" "inspect" "87b33b330273e1a3ff50fa5c288ffb7c4b2d5c5abe56d7413e8c96befbe6aa23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b33b330273e1a3ff50fa5c288ffb7c4b2d5c5abe56d7413e8c96befbe6aa23", kill_on_drop: false }`
[INFO] [stdout] 87b33b330273e1a3ff50fa5c288ffb7c4b2d5c5abe56d7413e8c96befbe6aa23
[INFO] checking otatski/vivify against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fotatski%2Fvivify" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/otatski/vivify 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 git repo https://github.com/otatski/vivify
[INFO] finished tweaking git repo https://github.com/otatski/vivify
[INFO] tweaked toml for git repo https://github.com/otatski/vivify written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/otatski/vivify 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-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3595f9d5fb18088e6e3623339f2c7072af76ff5f8968447c5c2b12726069f7c5
[INFO] running `Command { std: "docker" "start" "-a" "3595f9d5fb18088e6e3623339f2c7072af76ff5f8968447c5c2b12726069f7c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3595f9d5fb18088e6e3623339f2c7072af76ff5f8968447c5c2b12726069f7c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3595f9d5fb18088e6e3623339f2c7072af76ff5f8968447c5c2b12726069f7c5", kill_on_drop: false }`
[INFO] [stdout] 3595f9d5fb18088e6e3623339f2c7072af76ff5f8968447c5c2b12726069f7c5
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a751f3e31ffbdb8e66eb7a292180c0450d3ff2a490dd140e07f89262e6c732e
[INFO] running `Command { std: "docker" "start" "-a" "6a751f3e31ffbdb8e66eb7a292180c0450d3ff2a490dd140e07f89262e6c732e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling serde v1.0.142
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.142
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking newline-converter v0.2.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking signal-hook v0.3.14
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.23.2
[INFO] [stderr]     Checking crossterm v0.21.0
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking tui v0.18.0
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking inquire v0.2.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking vivify v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/main.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let info = vec!["Info0", "Info1", "Info2", "Info3"];
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inner_chunks`
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let inner_chunks = Layout::default()
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inner_chunks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/main.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let info = vec!["Info0", "Info1", "Info2", "Info3"];
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inner_chunks`
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let inner_chunks = Layout::default()
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inner_chunks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.63s
[INFO] running `Command { std: "docker" "inspect" "6a751f3e31ffbdb8e66eb7a292180c0450d3ff2a490dd140e07f89262e6c732e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a751f3e31ffbdb8e66eb7a292180c0450d3ff2a490dd140e07f89262e6c732e", kill_on_drop: false }`
[INFO] [stdout] 6a751f3e31ffbdb8e66eb7a292180c0450d3ff2a490dd140e07f89262e6c732e