[INFO] fetching crate ppoprf 0.4.2...
[INFO] checking ppoprf-0.4.2 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate ppoprf 0.4.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ppoprf 0.4.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ppoprf 0.4.2
[INFO] tweaked toml for crates.io crate ppoprf 0.4.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ppoprf 0.4.2 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 crates.io crate ppoprf 0.4.2 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strobe-rs v0.10.0
[INFO] [stderr]   Downloaded derive_more v0.99.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 37ac0a8633ed14a8670f8436d84a323cbac107a259d4639245d015ac3aa2dc1b
[INFO] running `Command { std: "docker" "start" "-a" "37ac0a8633ed14a8670f8436d84a323cbac107a259d4639245d015ac3aa2dc1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37ac0a8633ed14a8670f8436d84a323cbac107a259d4639245d015ac3aa2dc1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37ac0a8633ed14a8670f8436d84a323cbac107a259d4639245d015ac3aa2dc1b", kill_on_drop: false }`
[INFO] [stdout] 37ac0a8633ed14a8670f8436d84a323cbac107a259d4639245d015ac3aa2dc1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] df4d10894d76c230728b3d5580f53bcbf8521e4edf0ae850092adc696570983e
[INFO] running `Command { std: "docker" "start" "-a" "df4d10894d76c230728b3d5580f53bcbf8521e4edf0ae850092adc696570983e", kill_on_drop: false }`
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[INFO] [stderr]     Checking ppoprf v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `prefixes` is never read
[INFO] [stdout]   --> src/ggm.rs:73:3
[INFO] [stdout]    |
[INFO] [stdout] 73 |   prefixes: Vec<(Prefix, Vec<u8>)>,
[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 `punctured` is never read
[INFO] [stdout]   --> src/ggm.rs:75:3
[INFO] [stdout]    |
[INFO] [stdout] 75 |   punctured: Vec<Prefix>,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `public_key` is never read
[INFO] [stdout]    --> src/ppoprf.rs:345:3
[INFO] [stdout]     |
[INFO] [stdout] 345 |   public_key: ServerPublicKey,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hyper v1.6.0
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[INFO] [stderr]     Checking warp v0.3.7
[INFO] [stdout] warning: value assigned to `prefixes` is never read
[INFO] [stdout]   --> src/ggm.rs:73:3
[INFO] [stdout]    |
[INFO] [stdout] 73 |   prefixes: Vec<(Prefix, Vec<u8>)>,
[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 `punctured` is never read
[INFO] [stdout]   --> src/ggm.rs:75:3
[INFO] [stdout]    |
[INFO] [stdout] 75 |   punctured: Vec<Prefix>,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `public_key` is never read
[INFO] [stdout]    --> src/ppoprf.rs:345:3
[INFO] [stdout]     |
[INFO] [stdout] 345 |   public_key: ServerPublicKey,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.25s
[INFO] running `Command { std: "docker" "inspect" "df4d10894d76c230728b3d5580f53bcbf8521e4edf0ae850092adc696570983e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df4d10894d76c230728b3d5580f53bcbf8521e4edf0ae850092adc696570983e", kill_on_drop: false }`
[INFO] [stdout] df4d10894d76c230728b3d5580f53bcbf8521e4edf0ae850092adc696570983e