[INFO] fetching crate debug3 0.3.0...
[INFO] checking debug3-0.3.0 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate debug3 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate debug3 0.3.0 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate debug3 0.3.0
[INFO] finished tweaking crates.io crate debug3 0.3.0
[INFO] tweaked toml for crates.io crate debug3 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate debug3 0.3.0 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fcdfb9f3e4612d8c45b497ea0fba0b2c16e797fb00d3ba933af01555e71f237
[INFO] running `Command { std: "docker" "start" "-a" "1fcdfb9f3e4612d8c45b497ea0fba0b2c16e797fb00d3ba933af01555e71f237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fcdfb9f3e4612d8c45b497ea0fba0b2c16e797fb00d3ba933af01555e71f237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fcdfb9f3e4612d8c45b497ea0fba0b2c16e797fb00d3ba933af01555e71f237", kill_on_drop: false }`
[INFO] [stdout] 1fcdfb9f3e4612d8c45b497ea0fba0b2c16e797fb00d3ba933af01555e71f237
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 802ebc4ab13d35e3180f865912071e2e31cc64b03562b3e7dbc51fa5a13bf73b
[INFO] running `Command { std: "docker" "start" "-a" "802ebc4ab13d35e3180f865912071e2e31cc64b03562b3e7dbc51fa5a13bf73b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]    Compiling trybuild v1.0.77
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking dissimilar v1.0.6
[INFO] [stderr]     Checking expect-test v1.4.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking basic-toml v0.1.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling debug3-derive v0.3.0
[INFO] [stderr]     Checking debug3 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/algorithm.rs:264:17
[INFO] [stdout]     |
[INFO] [stdout] 264 |             let mut entry = &mut self.buf[index];
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/algorithm.rs:264:17
[INFO] [stdout]     |
[INFO] [stdout] 264 |             let mut entry = &mut self.buf[index];
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.20s
[INFO] running `Command { std: "docker" "inspect" "802ebc4ab13d35e3180f865912071e2e31cc64b03562b3e7dbc51fa5a13bf73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "802ebc4ab13d35e3180f865912071e2e31cc64b03562b3e7dbc51fa5a13bf73b", kill_on_drop: false }`
[INFO] [stdout] 802ebc4ab13d35e3180f865912071e2e31cc64b03562b3e7dbc51fa5a13bf73b
