[INFO] cloning repository https://github.com/pms1969/uploader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pms1969/uploader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpms1969%2Fuploader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpms1969%2Fuploader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92d75fd11bc2b2b5495b6a5ef75461aadd8565d3
[INFO] checking pms1969/uploader against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpms1969%2Fuploader" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pms1969/uploader 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/pms1969/uploader
[INFO] finished tweaking git repo https://github.com/pms1969/uploader
[INFO] tweaked toml for git repo https://github.com/pms1969/uploader written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pms1969/uploader 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 retry v1.0.0
[INFO] [stderr]   Downloaded rusoto_signature v0.44.0
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[INFO] [stderr]   Downloaded xml-rs v0.8.1
[INFO] [stderr]   Downloaded protobuf v2.15.0
[INFO] [stderr]   Downloaded rusoto_s3 v0.44.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7e12e82f362b2d3d995fb5380953656b037ed6f494a40031597d78ba39ac4a05
[INFO] running `Command { std: "docker" "start" "-a" "7e12e82f362b2d3d995fb5380953656b037ed6f494a40031597d78ba39ac4a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e12e82f362b2d3d995fb5380953656b037ed6f494a40031597d78ba39ac4a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e12e82f362b2d3d995fb5380953656b037ed6f494a40031597d78ba39ac4a05", kill_on_drop: false }`
[INFO] [stdout] 7e12e82f362b2d3d995fb5380953656b037ed6f494a40031597d78ba39ac4a05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3651950cd9c73ac1aadbbcb54a854e62ed9efbd60da6673e06692d60bba69d01
[INFO] running `Command { std: "docker" "start" "-a" "3651950cd9c73ac1aadbbcb54a854e62ed9efbd60da6673e06692d60bba69d01", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
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[INFO] [stderr]     Checking tokio v0.2.19
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]     Checking rustls-native-certs v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking futures-executor v0.3.4
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[INFO] [stderr]     Checking tokio-util v0.3.1
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[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking hyper-rustls v0.20.0
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[INFO] [stderr]     Checking rusoto_signature v0.44.0
[INFO] [stderr]     Checking rusoto_s3 v0.44.0
[INFO] [stderr]     Checking uploader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/fib_retry.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use std::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `prometheus` is imported redundantly
[INFO] [stdout]  --> src/prom.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     self, register_histogram, register_int_counter, register_int_gauge, Histogram, IntCounter,
[INFO] [stdout]   |     ^^^^ the item `prometheus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `prometheus` is imported redundantly
[INFO] [stdout]  --> src/web.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use prometheus::{self, Encoder, TextEncoder};
[INFO] [stdout]   |                  ^^^^ the item `prometheus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/fib_retry.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use std::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `prometheus` is imported redundantly
[INFO] [stdout]  --> src/prom.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     self, register_histogram, register_int_counter, register_int_gauge, Histogram, IntCounter,
[INFO] [stdout]   |     ^^^^ the item `prometheus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `prometheus` is imported redundantly
[INFO] [stdout]  --> src/web.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use prometheus::{self, Encoder, TextEncoder};
[INFO] [stdout]   |                  ^^^^ the item `prometheus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `prometheus` is imported redundantly
[INFO] [stdout]    --> src/main.rs:225:22
[INFO] [stdout]     |
[INFO] [stdout] 225 |     use prometheus::{self, register_int_gauge, IntGauge};
[INFO] [stdout]     |                      ^^^^ the item `prometheus` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntGauge` is imported redundantly
[INFO] [stdout]    --> src/main.rs:225:48
[INFO] [stdout]     |
[INFO] [stdout] 224 |     use super::*;
[INFO] [stdout]     |         -------- the item `IntGauge` is already imported here
[INFO] [stdout] 225 |     use prometheus::{self, register_int_gauge, IntGauge};
[INFO] [stdout]     |                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]    --> src/watcher.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         task::yield_now().await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let _ = task::yield_now().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]    --> src/watcher.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |         task::yield_now().await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 251 |         let _ = task::yield_now().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]    --> src/main.rs:359:9
[INFO] [stdout]     |
[INFO] [stdout] 359 |         task::yield_now().await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 359 |         let _ = task::yield_now().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: protobuf v2.15.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "3651950cd9c73ac1aadbbcb54a854e62ed9efbd60da6673e06692d60bba69d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3651950cd9c73ac1aadbbcb54a854e62ed9efbd60da6673e06692d60bba69d01", kill_on_drop: false }`
[INFO] [stdout] 3651950cd9c73ac1aadbbcb54a854e62ed9efbd60da6673e06692d60bba69d01