[INFO] fetching crate sn_grufs 1.0.0...
[INFO] checking sn_grufs-1.0.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate sn_grufs 1.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate sn_grufs 1.0.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sn_grufs 1.0.0
[INFO] finished tweaking crates.io crate sn_grufs 1.0.0
[INFO] tweaked toml for crates.io crate sn_grufs 1.0.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate sn_grufs 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abbd608cd9a5eada43e6e3d19cac7285fee24792e665740d5c82f4e00d8ccccc
[INFO] running `Command { std: "docker" "start" "-a" "abbd608cd9a5eada43e6e3d19cac7285fee24792e665740d5c82f4e00d8ccccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abbd608cd9a5eada43e6e3d19cac7285fee24792e665740d5c82f4e00d8ccccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abbd608cd9a5eada43e6e3d19cac7285fee24792e665740d5c82f4e00d8ccccc", kill_on_drop: false }`
[INFO] [stdout] abbd608cd9a5eada43e6e3d19cac7285fee24792e665740d5c82f4e00d8ccccc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f179da840e068a5b369d3849a36f399696166345157a0bde28f94de3b9f18dcd
[INFO] running `Command { std: "docker" "start" "-a" "f179da840e068a5b369d3849a36f399696166345157a0bde28f94de3b9f18dcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]    Compiling unicode-xid v0.2.2
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[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
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[INFO] [stderr]    Compiling native-tls v0.2.7
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[INFO] [stderr]     Checking url v2.2.2
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[INFO] [stderr]    Compiling pin-project-internal v1.0.7
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[INFO] [stderr]     Checking hyper-tls v0.5.0
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[INFO] [stderr]     Checking sn_grufs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/database_manager.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |             if let Some((key, value)) = kv.ok() {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/database_manager.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |             if let Some((key, value)) = kv.ok() {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.87s
[INFO] running `Command { std: "docker" "inspect" "f179da840e068a5b369d3849a36f399696166345157a0bde28f94de3b9f18dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f179da840e068a5b369d3849a36f399696166345157a0bde28f94de3b9f18dcd", kill_on_drop: false }`
[INFO] [stdout] f179da840e068a5b369d3849a36f399696166345157a0bde28f94de3b9f18dcd