[INFO] cloning repository https://github.com/deinstapel/cursive-async-view
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deinstapel/cursive-async-view" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeinstapel%2Fcursive-async-view", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeinstapel%2Fcursive-async-view'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 475d46eac76a2c9f88f5e4b96bfad520071c0c81
[INFO] checking deinstapel/cursive-async-view against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeinstapel%2Fcursive-async-view" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deinstapel/cursive-async-view 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 git repo https://github.com/deinstapel/cursive-async-view
[INFO] finished tweaking git repo https://github.com/deinstapel/cursive-async-view
[INFO] tweaked toml for git repo https://github.com/deinstapel/cursive-async-view written to /workspace/builds/worker-1-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 70 packages
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding cursive v0.17.0 (latest: v0.20.0)
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[INFO] [stderr]       Adding ncurses v5.101.0 (latest: v6.0.0)
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[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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] 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f882dd0d2780e97663c7145236c2b1d5563c91b96d0a9c14732cf3cea252f446
[INFO] running `Command { std: "docker" "start" "-a" "f882dd0d2780e97663c7145236c2b1d5563c91b96d0a9c14732cf3cea252f446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f882dd0d2780e97663c7145236c2b1d5563c91b96d0a9c14732cf3cea252f446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f882dd0d2780e97663c7145236c2b1d5563c91b96d0a9c14732cf3cea252f446", kill_on_drop: false }`
[INFO] [stdout] f882dd0d2780e97663c7145236c2b1d5563c91b96d0a9c14732cf3cea252f446
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8522f8a8998bf684112981c8b96f98bd847a33eaa0a4847d1ac386be2f95c26a
[INFO] running `Command { std: "docker" "start" "-a" "8522f8a8998bf684112981c8b96f98bd847a33eaa0a4847d1ac386be2f95c26a", kill_on_drop: false }`
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[INFO] [stderr]     Checking cursive-async-view v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `cursive` is imported redundantly
[INFO] [stdout]  --> examples/progress.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cursive::{self, views::Dialog, views::TextView, Cursive, CursiveExt};
[INFO] [stdout]   |               ^^^^ the item `cursive` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `cursive` is imported redundantly
[INFO] [stdout]  --> examples/progress_fail.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cursive::{self, views::Dialog, views::TextView, Cursive, CursiveExt};
[INFO] [stdout]   |               ^^^^ the item `cursive` is already defined by prelude
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.60s
[INFO] running `Command { std: "docker" "inspect" "8522f8a8998bf684112981c8b96f98bd847a33eaa0a4847d1ac386be2f95c26a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8522f8a8998bf684112981c8b96f98bd847a33eaa0a4847d1ac386be2f95c26a", kill_on_drop: false }`
[INFO] [stdout] 8522f8a8998bf684112981c8b96f98bd847a33eaa0a4847d1ac386be2f95c26a