[INFO] fetching crate prometheus-edge-detector 0.2.0...
[INFO] checking prometheus-edge-detector-0.2.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate prometheus-edge-detector 0.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate prometheus-edge-detector 0.2.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prometheus-edge-detector 0.2.0
[INFO] finished tweaking crates.io crate prometheus-edge-detector 0.2.0
[INFO] tweaked toml for crates.io crate prometheus-edge-detector 0.2.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate prometheus-edge-detector 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7651c2a860d928c0f6d9e2bfe1adead7d66d8514ebe6a74bd2687708cd33fac
[INFO] running `Command { std: "docker" "start" "-a" "b7651c2a860d928c0f6d9e2bfe1adead7d66d8514ebe6a74bd2687708cd33fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7651c2a860d928c0f6d9e2bfe1adead7d66d8514ebe6a74bd2687708cd33fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7651c2a860d928c0f6d9e2bfe1adead7d66d8514ebe6a74bd2687708cd33fac", kill_on_drop: false }`
[INFO] [stdout] b7651c2a860d928c0f6d9e2bfe1adead7d66d8514ebe6a74bd2687708cd33fac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ff86273423ea42d1b248cb00866f6600f88d9e287c0aa2c5c96ef136511d9f2
[INFO] running `Command { std: "docker" "start" "-a" "1ff86273423ea42d1b248cb00866f6600f88d9e287c0aa2c5c96ef136511d9f2", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   tokio v1.0.1: macros, tokio-macros
[INFO] [stderr] 
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking pin-project-lite v0.2.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking main_error v0.1.1
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling err-derive v0.3.0
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.3
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking pin-project v1.0.3
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tokio-stream v0.1.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-util v0.6.0
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking hyper v0.14.2
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.0
[INFO] [stderr]     Checking prometheus-edge-detector v0.2.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/test.rs from 2018 edition to 2021
[INFO] [stdout] error: The default runtime flavor is `multi_thread`, but the `rt-multi-thread` feature is disabled.
[INFO] [stdout]  --> examples/test.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[tokio::main]
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `tokio::main` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main_error::MainError`
[INFO] [stdout]  --> examples/test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use main_error::MainError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prometheus_edge_detector::EdgeDetector`
[INFO] [stdout]  --> examples/test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use prometheus_edge_detector::EdgeDetector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prometheus-edge-detector` due to 3 previous errors; 3 warnings emitted
[INFO] [stdout] warning: unused import: `tokio::time::Duration`
[INFO] [stdout]  --> examples/test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0601]: `main` function not found in crate `test`
[INFO] [stdout]   --> examples/test.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / use main_error::MainError;
[INFO] [stdout] 2  | | use prometheus_edge_detector::EdgeDetector;
[INFO] [stdout] 3  | | use tokio::time::Duration;
[INFO] [stdout] 4  | |
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     Ok(())
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `examples/test.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "1ff86273423ea42d1b248cb00866f6600f88d9e287c0aa2c5c96ef136511d9f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff86273423ea42d1b248cb00866f6600f88d9e287c0aa2c5c96ef136511d9f2", kill_on_drop: false }`
[INFO] [stdout] 1ff86273423ea42d1b248cb00866f6600f88d9e287c0aa2c5c96ef136511d9f2