[INFO] cloning repository https://github.com/rayslava/receqif
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rayslava/receqif" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frayslava%2Freceqif", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frayslava%2Freceqif'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bcca4f08725e0672d4b89d0f4f56b58ebe6030c
[INFO] checking rayslava/receqif against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frayslava%2Freceqif" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rayslava/receqif 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/rayslava/receqif
[INFO] finished tweaking git repo https://github.com/rayslava/receqif
[INFO] tweaked toml for git repo https://github.com/rayslava/receqif written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rayslava/receqif 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded warp v0.3.6
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0877ea6679953efbba6908b5b9d58d54e7afa4c443909532a58b6ee53cb91f99
[INFO] running `Command { std: "docker" "start" "-a" "0877ea6679953efbba6908b5b9d58d54e7afa4c443909532a58b6ee53cb91f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0877ea6679953efbba6908b5b9d58d54e7afa4c443909532a58b6ee53cb91f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0877ea6679953efbba6908b5b9d58d54e7afa4c443909532a58b6ee53cb91f99", kill_on_drop: false }`
[INFO] [stdout] 0877ea6679953efbba6908b5b9d58d54e7afa4c443909532a58b6ee53cb91f99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 50e993343d79c490811a8786b914aa787a20c37a0026e7e050ab13ff2ee3fc9d
[INFO] running `Command { std: "docker" "start" "-a" "50e993343d79c490811a8786b914aa787a20c37a0026e7e050ab13ff2ee3fc9d", kill_on_drop: false }`
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[INFO] [stderr]    Compiling receqif v0.1.0 (/opt/rustwide/workdir)
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[INFO] [stderr]    Compiling pin-project-internal v1.1.3
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[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling aquamarine v0.1.12
[INFO] [stderr]    Compiling structopt-derive v0.4.18
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[INFO] [stderr]    Compiling rustyline-derive v0.6.0
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[INFO] [stderr]     Checking futures-executor v0.3.29
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[INFO] [stdout] warning: the item `oneshot` is imported redundantly
[INFO] [stdout]   --> src/tgusermanager.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     use super::*;
[INFO] [stdout]    |         -------- the item `oneshot` is already imported here
[INFO] [stdout] 41 |     use tokio::sync::oneshot;
[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 18.29s
[INFO] running `Command { std: "docker" "inspect" "50e993343d79c490811a8786b914aa787a20c37a0026e7e050ab13ff2ee3fc9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e993343d79c490811a8786b914aa787a20c37a0026e7e050ab13ff2ee3fc9d", kill_on_drop: false }`
[INFO] [stdout] 50e993343d79c490811a8786b914aa787a20c37a0026e7e050ab13ff2ee3fc9d