[INFO] fetching crate tower-vm 0.3.0...
[INFO] building tower-vm-0.3.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate tower-vm 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate tower-vm 0.3.0
[INFO] finished tweaking crates.io crate tower-vm 0.3.0
[INFO] tweaked toml for crates.io crate tower-vm 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tower-vm 0.3.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 660b472721aa4bb9a62c93a8e2e5e1654635c774a42f1766f4a35332297f770e
[INFO] running `Command { std: "docker" "start" "-a" "660b472721aa4bb9a62c93a8e2e5e1654635c774a42f1766f4a35332297f770e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "660b472721aa4bb9a62c93a8e2e5e1654635c774a42f1766f4a35332297f770e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "660b472721aa4bb9a62c93a8e2e5e1654635c774a42f1766f4a35332297f770e", kill_on_drop: false }`
[INFO] [stdout] 660b472721aa4bb9a62c93a8e2e5e1654635c774a42f1766f4a35332297f770e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f606fac795b34fd298af14fe3591d4b03436689504a981766be605cac71ccc27
[INFO] running `Command { std: "docker" "start" "-a" "f606fac795b34fd298af14fe3591d4b03436689504a981766be605cac71ccc27", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-vm v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `bytecode`
[INFO] [stdout]   --> src/interpreter/machine.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 | macro_rules! bytecode {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `zero` is never used
[INFO] [stdout]    --> src/interpreter/machine.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout]  60 | impl Machine {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn zero(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "f606fac795b34fd298af14fe3591d4b03436689504a981766be605cac71ccc27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f606fac795b34fd298af14fe3591d4b03436689504a981766be605cac71ccc27", kill_on_drop: false }`
[INFO] [stdout] f606fac795b34fd298af14fe3591d4b03436689504a981766be605cac71ccc27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5d25bed09c34aaa3d70a004048f5d021897d664af1f51099d989ec59ac6913a
[INFO] running `Command { std: "docker" "start" "-a" "a5d25bed09c34aaa3d70a004048f5d021897d664af1f51099d989ec59ac6913a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-vm v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `bytecode`
[INFO] [stdout]   --> src/interpreter/machine.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 | macro_rules! bytecode {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `zero` is never used
[INFO] [stdout]    --> src/interpreter/machine.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout]  60 | impl Machine {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn zero(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `start` is never read
[INFO] [stdout]    --> src/interpreter/machine.rs:451:17
[INFO] [stdout]     |
[INFO] [stdout] 451 |         let mut start = vec![];
[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 `test` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "a5d25bed09c34aaa3d70a004048f5d021897d664af1f51099d989ec59ac6913a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d25bed09c34aaa3d70a004048f5d021897d664af1f51099d989ec59ac6913a", kill_on_drop: false }`
[INFO] [stdout] a5d25bed09c34aaa3d70a004048f5d021897d664af1f51099d989ec59ac6913a
