[INFO] cloning repository https://github.com/Bruce0203/fastvarint
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bruce0203/fastvarint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruce0203%2Ffastvarint", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruce0203%2Ffastvarint'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e473e569aa785cc29ae9bb0807574cf170ee37b
[INFO] checking Bruce0203/fastvarint against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruce0203%2Ffastvarint" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Bruce0203/fastvarint
[INFO] finished tweaking git repo https://github.com/Bruce0203/fastvarint
[INFO] tweaked toml for git repo https://github.com/Bruce0203/fastvarint written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bruce0203/fastvarint on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Bruce0203/fastvarint 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d55974cf09eaa47859cd2206e4ecdbdfb7993289dedb17e7cc3af00d57262450
[INFO] running `Command { std: "docker" "start" "-a" "d55974cf09eaa47859cd2206e4ecdbdfb7993289dedb17e7cc3af00d57262450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d55974cf09eaa47859cd2206e4ecdbdfb7993289dedb17e7cc3af00d57262450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55974cf09eaa47859cd2206e4ecdbdfb7993289dedb17e7cc3af00d57262450", kill_on_drop: false }`
[INFO] [stdout] d55974cf09eaa47859cd2206e4ecdbdfb7993289dedb17e7cc3af00d57262450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d44868313829564d45d4bcc865619428c9f20ffac9171359545c9573df42769
[INFO] running `Command { std: "docker" "start" "-a" "8d44868313829564d45d4bcc865619428c9f20ffac9171359545c9573df42769", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]     Checking nonmax v0.5.5
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]     Checking fastvarint v0.22.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `convert::Infallible`, `marker::PhantomData`, and `usize`
[INFO] [stdout]  --> src/serde.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::Infallible, marker::PhantomData, usize};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Unexpected` and `Visitor`
[INFO] [stdout]  --> src/serde.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::de::{Unexpected, Visitor};
[INFO] [stdout]   |                 ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DecodeVarIntError` and `DecodeVarInt`
[INFO] [stdout]  --> src/serde.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{DecodeVarInt, DecodeVarIntError, EncodeVarInt};
[INFO] [stdout]   |             ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `convert::Infallible`, `marker::PhantomData`, and `usize`
[INFO] [stdout]  --> src/serde.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::Infallible, marker::PhantomData, usize};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Unexpected` and `Visitor`
[INFO] [stdout]  --> src/serde.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::de::{Unexpected, Visitor};
[INFO] [stdout]   |                 ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DecodeVarIntError` and `DecodeVarInt`
[INFO] [stdout]  --> src/serde.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{DecodeVarInt, DecodeVarIntError, EncodeVarInt};
[INFO] [stdout]   |             ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.58s
[INFO] running `Command { std: "docker" "inspect" "8d44868313829564d45d4bcc865619428c9f20ffac9171359545c9573df42769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d44868313829564d45d4bcc865619428c9f20ffac9171359545c9573df42769", kill_on_drop: false }`
[INFO] [stdout] 8d44868313829564d45d4bcc865619428c9f20ffac9171359545c9573df42769