[INFO] cloning repository https://github.com/Xanzis/hoot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xanzis/hoot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXanzis%2Fhoot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXanzis%2Fhoot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 729a98fbcce3b66243891178092e29c66b9ead43
[INFO] checking Xanzis/hoot/729a98fbcce3b66243891178092e29c66b9ead43 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXanzis%2Fhoot" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Xanzis/hoot on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Xanzis/hoot
[INFO] finished tweaking git repo https://github.com/Xanzis/hoot
[INFO] tweaked toml for git repo https://github.com/Xanzis/hoot written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Xanzis/hoot 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 186988d9f97d2d149dbb9aeae025568e8182eb61d9840e9289a72de022a45afb
[INFO] running `Command { std: "docker" "start" "-a" "186988d9f97d2d149dbb9aeae025568e8182eb61d9840e9289a72de022a45afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "186988d9f97d2d149dbb9aeae025568e8182eb61d9840e9289a72de022a45afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "186988d9f97d2d149dbb9aeae025568e8182eb61d9840e9289a72de022a45afb", kill_on_drop: false }`
[INFO] [stdout] 186988d9f97d2d149dbb9aeae025568e8182eb61d9840e9289a72de022a45afb
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc214a75942f1ac789521ba053a1302383026704745fda28fe8e3d9e357b3819
[INFO] running `Command { std: "docker" "start" "-a" "cc214a75942f1ac789521ba053a1302383026704745fda28fe8e3d9e357b3819", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking hoot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/scheme/builtin.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn apply(self, env: &mut Environment, args: ObjectReference) -> ObjectReference {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/scheme/builtin.rs:30:47
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn apply(self, env: &mut Environment, args: ObjectReference) -> ObjectReference {
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg_syms`
[INFO] [stdout]   --> src/scheme/interpret.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     arg_syms: ObjectReference,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arg_syms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/scheme/interpret.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     expr: ObjectReference,
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/scheme/interpret.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     args: ObjectReference,
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/scheme/builtin.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn apply(self, env: &mut Environment, args: ObjectReference) -> ObjectReference {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/scheme/builtin.rs:30:47
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn apply(self, env: &mut Environment, args: ObjectReference) -> ObjectReference {
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg_syms`
[INFO] [stdout]   --> src/scheme/interpret.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     arg_syms: ObjectReference,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arg_syms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/scheme/interpret.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     expr: ObjectReference,
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/scheme/interpret.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     args: ObjectReference,
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "cc214a75942f1ac789521ba053a1302383026704745fda28fe8e3d9e357b3819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc214a75942f1ac789521ba053a1302383026704745fda28fe8e3d9e357b3819", kill_on_drop: false }`
[INFO] [stdout] cc214a75942f1ac789521ba053a1302383026704745fda28fe8e3d9e357b3819