[INFO] cloning repository https://github.com/spoutn1k/jbtop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spoutn1k/jbtop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspoutn1k%2Fjbtop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspoutn1k%2Fjbtop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5ad7c3c618b1d68a32a3f7d35fc094e76023499
[INFO] checking spoutn1k/jbtop against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspoutn1k%2Fjbtop" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spoutn1k/jbtop 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/spoutn1k/jbtop
[INFO] finished tweaking git repo https://github.com/spoutn1k/jbtop
[INFO] tweaked toml for git repo https://github.com/spoutn1k/jbtop written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/spoutn1k/jbtop 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]     Updating crates.io index
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[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] bc094fc0002e46a48e8032051706340b6c9936fd9228ee74e3bd17447257eac2
[INFO] running `Command { std: "docker" "start" "-a" "bc094fc0002e46a48e8032051706340b6c9936fd9228ee74e3bd17447257eac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc094fc0002e46a48e8032051706340b6c9936fd9228ee74e3bd17447257eac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc094fc0002e46a48e8032051706340b6c9936fd9228ee74e3bd17447257eac2", kill_on_drop: false }`
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[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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "ba881da1321c925c0bfaf8e169eaf4ec93e9e6a7dd731e18c57af4abebed30cd", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_derive v1.0.197
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[INFO] [stderr]    Compiling openssl-macros v0.1.1
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[INFO] [stderr]     Checking russh-keys v0.42.0
[INFO] [stderr]     Checking russh v0.42.0
[INFO] [stderr]     Checking jbtop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `layout::Alignment`
[INFO] [stdout]  --> src/ui.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     layout::Alignment,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Color` is imported redundantly
[INFO] [stdout]  --> src/ui.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Color` is already imported here
[INFO] [stdout] 4 |     style::{Color, Style},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Style` is imported redundantly
[INFO] [stdout]  --> src/ui.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Style` is already imported here
[INFO] [stdout] 4 |     style::{Color, Style},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Frame` is imported redundantly
[INFO] [stdout]  --> src/ui.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Frame` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 6 |     Frame,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `layout::Alignment`
[INFO] [stdout]  --> src/ui.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     layout::Alignment,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Color` is imported redundantly
[INFO] [stdout]  --> src/ui.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Color` is already imported here
[INFO] [stdout] 4 |     style::{Color, Style},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Style` is imported redundantly
[INFO] [stdout]  --> src/ui.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Style` is already imported here
[INFO] [stdout] 4 |     style::{Color, Style},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Frame` is imported redundantly
[INFO] [stdout]  --> src/ui.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Frame` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 6 |     Frame,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.77s
[INFO] running `Command { std: "docker" "inspect" "ba881da1321c925c0bfaf8e169eaf4ec93e9e6a7dd731e18c57af4abebed30cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba881da1321c925c0bfaf8e169eaf4ec93e9e6a7dd731e18c57af4abebed30cd", kill_on_drop: false }`
[INFO] [stdout] ba881da1321c925c0bfaf8e169eaf4ec93e9e6a7dd731e18c57af4abebed30cd
[INFO] checking spoutn1k/jbtop against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspoutn1k%2Fjbtop" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spoutn1k/jbtop 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 git repo https://github.com/spoutn1k/jbtop
[INFO] finished tweaking git repo https://github.com/spoutn1k/jbtop
[INFO] tweaked toml for git repo https://github.com/spoutn1k/jbtop written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/spoutn1k/jbtop 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-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7479958664fc199cd5a8864ca192be5cb32efe2c3271337276848e1f355170ef
[INFO] running `Command { std: "docker" "start" "-a" "7479958664fc199cd5a8864ca192be5cb32efe2c3271337276848e1f355170ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7479958664fc199cd5a8864ca192be5cb32efe2c3271337276848e1f355170ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7479958664fc199cd5a8864ca192be5cb32efe2c3271337276848e1f355170ef", kill_on_drop: false }`
[INFO] [stdout] 7479958664fc199cd5a8864ca192be5cb32efe2c3271337276848e1f355170ef
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc0b041a267f35b93b45082946cd4f590106b5bd68ceb35e70c3469e4f2c20a7
[INFO] running `Command { std: "docker" "start" "-a" "fc0b041a267f35b93b45082946cd4f590106b5bd68ceb35e70c3469e4f2c20a7", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `layout::Alignment`
[INFO] [stdout]  --> src/ui.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     layout::Alignment,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Color` is imported redundantly
[INFO] [stdout]  --> src/ui.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Color` is already imported here
[INFO] [stdout] 4 |     style::{Color, Style},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Style` is imported redundantly
[INFO] [stdout]  --> src/ui.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Style` is already imported here
[INFO] [stdout] 4 |     style::{Color, Style},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Frame` is imported redundantly
[INFO] [stdout]  --> src/ui.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Frame` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 6 |     Frame,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `layout::Alignment`
[INFO] [stdout]  --> src/ui.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     layout::Alignment,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Color` is imported redundantly
[INFO] [stdout]  --> src/ui.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Color` is already imported here
[INFO] [stdout] 4 |     style::{Color, Style},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Style` is imported redundantly
[INFO] [stdout]  --> src/ui.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Style` is already imported here
[INFO] [stdout] 4 |     style::{Color, Style},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Frame` is imported redundantly
[INFO] [stdout]  --> src/ui.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Frame` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 6 |     Frame,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.26s
[INFO] running `Command { std: "docker" "inspect" "fc0b041a267f35b93b45082946cd4f590106b5bd68ceb35e70c3469e4f2c20a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc0b041a267f35b93b45082946cd4f590106b5bd68ceb35e70c3469e4f2c20a7", kill_on_drop: false }`
[INFO] [stdout] fc0b041a267f35b93b45082946cd4f590106b5bd68ceb35e70c3469e4f2c20a7