[INFO] fetching crate cargo-node 0.1.0...
[INFO] checking cargo-node-0.1.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate cargo-node 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cargo-node 0.1.0 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 cargo-node 0.1.0
[INFO] finished tweaking crates.io crate cargo-node 0.1.0
[INFO] tweaked toml for crates.io crate cargo-node 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate cargo-node 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5ebccae50de7146d086218b40f2f42125a66ab972567b6e34cb7543aeaff3fc5
[INFO] running `Command { std: "docker" "start" "-a" "5ebccae50de7146d086218b40f2f42125a66ab972567b6e34cb7543aeaff3fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ebccae50de7146d086218b40f2f42125a66ab972567b6e34cb7543aeaff3fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ebccae50de7146d086218b40f2f42125a66ab972567b6e34cb7543aeaff3fc5", kill_on_drop: false }`
[INFO] [stdout] 5ebccae50de7146d086218b40f2f42125a66ab972567b6e34cb7543aeaff3fc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 635e6ebaf1c27ea6dc6680f757bb36a33f89e888d018d5da963e8cc078c799eb
[INFO] running `Command { std: "docker" "start" "-a" "635e6ebaf1c27ea6dc6680f757bb36a33f89e888d018d5da963e8cc078c799eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking sigma v0.1.1
[INFO] [stderr]     Checking cargo-node v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut mode_path = "debug";
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut mode_path = "debug";
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.25s
[INFO] running `Command { std: "docker" "inspect" "635e6ebaf1c27ea6dc6680f757bb36a33f89e888d018d5da963e8cc078c799eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "635e6ebaf1c27ea6dc6680f757bb36a33f89e888d018d5da963e8cc078c799eb", kill_on_drop: false }`
[INFO] [stdout] 635e6ebaf1c27ea6dc6680f757bb36a33f89e888d018d5da963e8cc078c799eb