[INFO] cloning repository https://github.com/jwmurray/cookbook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jwmurray/cookbook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwmurray%2Fcookbook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwmurray%2Fcookbook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68b7010acc025f5dea28d72186eba7e7727a7e8e
[INFO] checking jwmurray/cookbook against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwmurray%2Fcookbook" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jwmurray/cookbook on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jwmurray/cookbook
[INFO] finished tweaking git repo https://github.com/jwmurray/cookbook
[INFO] tweaked toml for git repo https://github.com/jwmurray/cookbook written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5612d80a9d15497ec661aaacfd184bac0122d760cc079ecd75bdddf1cafb7707
[INFO] running `Command { std: "docker" "start" "-a" "5612d80a9d15497ec661aaacfd184bac0122d760cc079ecd75bdddf1cafb7707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5612d80a9d15497ec661aaacfd184bac0122d760cc079ecd75bdddf1cafb7707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5612d80a9d15497ec661aaacfd184bac0122d760cc079ecd75bdddf1cafb7707", kill_on_drop: false }`
[INFO] [stdout] 5612d80a9d15497ec661aaacfd184bac0122d760cc079ecd75bdddf1cafb7707
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c22e3075d3104597a19d0837c03eec161eaceafeeddd1ef0c5d57ace726edb37
[INFO] running `Command { std: "docker" "start" "-a" "c22e3075d3104597a19d0837c03eec161eaceafeeddd1ef0c5d57ace726edb37", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking fixed-vec-deque v0.1.9 (/opt/rustwide/workdir/ThirdParty/fixed-vec-deque)
[INFO] [stderr]     Checking algorithms v0.1.0 (/opt/rustwide/workdir/algorithms)
[INFO] [stderr]     Checking playground v0.1.0 (/opt/rustwide/workdir/playground)
[INFO] [stderr]     Checking text v0.1.0 (/opt/rustwide/workdir/text)
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking data v0.1.0 (/opt/rustwide/workdir/data)
[INFO] [stdout] warning: field is never read: `foo1`
[INFO] [stdout]   --> data/src/bin/unpack.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     foo1: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `foo2`
[INFO] [stdout]   --> data/src/bin/unpack.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     foo2: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `foo3`
[INFO] [stdout]   --> data/src/bin/unpack.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     foo3: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `foo4`
[INFO] [stdout]   --> data/src/bin/unpack.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     foo4: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `foo1`
[INFO] [stdout]   --> data/src/bin/unpack.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     foo1: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `foo2`
[INFO] [stdout]   --> data/src/bin/unpack.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     foo2: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `foo3`
[INFO] [stdout]   --> data/src/bin/unpack.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     foo3: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `foo4`
[INFO] [stdout]   --> data/src/bin/unpack.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     foo4: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "c22e3075d3104597a19d0837c03eec161eaceafeeddd1ef0c5d57ace726edb37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c22e3075d3104597a19d0837c03eec161eaceafeeddd1ef0c5d57ace726edb37", kill_on_drop: false }`
[INFO] [stdout] c22e3075d3104597a19d0837c03eec161eaceafeeddd1ef0c5d57ace726edb37