[INFO] cloning repository https://github.com/0xstormblessed/vvm-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xstormblessed/vvm-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xstormblessed%2Fvvm-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xstormblessed%2Fvvm-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d85441d72bd28a79e32e131bbbb4dbd8e1ed8330
[INFO] checking 0xstormblessed/vvm-rs against master#c8551d3c63c51f290cf1dc9dc4714249ea849fd1 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xstormblessed%2Fvvm-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xstormblessed/vvm-rs
[INFO] finished tweaking git repo https://github.com/0xstormblessed/vvm-rs
[INFO] tweaked toml for git repo https://github.com/0xstormblessed/vvm-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xstormblessed/vvm-rs on toolchain c8551d3c63c51f290cf1dc9dc4714249ea849fd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xstormblessed/vvm-rs 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" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a7a3d4ed48e3610cd83e78910c76920fb6216b621d2070c62f9e793decd055d
[INFO] running `Command { std: "docker" "start" "-a" "1a7a3d4ed48e3610cd83e78910c76920fb6216b621d2070c62f9e793decd055d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a7a3d4ed48e3610cd83e78910c76920fb6216b621d2070c62f9e793decd055d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a7a3d4ed48e3610cd83e78910c76920fb6216b621d2070c62f9e793decd055d", kill_on_drop: false }`
[INFO] [stdout] 1a7a3d4ed48e3610cd83e78910c76920fb6216b621d2070c62f9e793decd055d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 519e9322f88494fdcb83114c315c38b568407f5fed854aa6812c23b66edce56f
[INFO] running `Command { std: "docker" "start" "-a" "519e9322f88494fdcb83114c315c38b568407f5fed854aa6812c23b66edce56f", kill_on_drop: false }`
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[INFO] [stderr]     Checking vvm-rs v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/vyper/cache.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |         if let Some(mut entry) = self.entry_mut(file.as_ref()) {
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/vyper/cache.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |         if let Some(mut entry) = self.entry_mut(file.as_ref()) {
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `path` is never read
[INFO] [stdout]   --> src/vyper/error.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `path` is never read
[INFO] [stdout]   --> src/vyper/error.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.61s
[INFO] running `Command { std: "docker" "inspect" "519e9322f88494fdcb83114c315c38b568407f5fed854aa6812c23b66edce56f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "519e9322f88494fdcb83114c315c38b568407f5fed854aa6812c23b66edce56f", kill_on_drop: false }`
[INFO] [stdout] 519e9322f88494fdcb83114c315c38b568407f5fed854aa6812c23b66edce56f
