[INFO] fetching crate ssr 0.0.6...
[INFO] checking ssr-0.0.6 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate ssr 0.0.6 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ssr 0.0.6
[INFO] finished tweaking crates.io crate ssr 0.0.6
[INFO] tweaked toml for crates.io crate ssr 0.0.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ssr 0.0.6 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] [stderr]       Adding http v0.2.12 (available: v1.3.1)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.45.1)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.17.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69b4cb1fb921abbd25ba6d8f620334a0edf7c719a5c75d6b41ddd13a6f65dd55
[INFO] running `Command { std: "docker" "start" "-a" "69b4cb1fb921abbd25ba6d8f620334a0edf7c719a5c75d6b41ddd13a6f65dd55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69b4cb1fb921abbd25ba6d8f620334a0edf7c719a5c75d6b41ddd13a6f65dd55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b4cb1fb921abbd25ba6d8f620334a0edf7c719a5c75d6b41ddd13a6f65dd55", kill_on_drop: false }`
[INFO] [stdout] 69b4cb1fb921abbd25ba6d8f620334a0edf7c719a5c75d6b41ddd13a6f65dd55
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38464f5d65d346a62eef5281932753617841b40d78f592b104bbf5e6293cf503
[INFO] running `Command { std: "docker" "start" "-a" "38464f5d65d346a62eef5281932753617841b40d78f592b104bbf5e6293cf503", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking ssr v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `js_worker` is never read
[INFO] [stdout]   --> src/ssr.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct Ssr {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 66 |     worker: Arc<Worker>,
[INFO] [stdout] 67 |     js_worker: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ssr` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `js_worker` is never read
[INFO] [stdout]   --> src/ssr.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct Ssr {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 66 |     worker: Arc<Worker>,
[INFO] [stdout] 67 |     js_worker: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ssr` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.26s
[INFO] running `Command { std: "docker" "inspect" "38464f5d65d346a62eef5281932753617841b40d78f592b104bbf5e6293cf503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38464f5d65d346a62eef5281932753617841b40d78f592b104bbf5e6293cf503", kill_on_drop: false }`
[INFO] [stdout] 38464f5d65d346a62eef5281932753617841b40d78f592b104bbf5e6293cf503