[INFO] fetching crate rust_ti 1.4.2...
[INFO] checking rust_ti-1.4.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate rust_ti 1.4.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate rust_ti 1.4.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rust_ti 1.4.2
[INFO] tweaked toml for crates.io crate rust_ti 1.4.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_ti 1.4.2 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] crate crates.io crate rust_ti 1.4.2 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7149820b3de8bd856f05b8d9b0d770d1b74d939204c81961df71c48fc6fa74f3
[INFO] running `Command { std: "docker" "start" "-a" "7149820b3de8bd856f05b8d9b0d770d1b74d939204c81961df71c48fc6fa74f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7149820b3de8bd856f05b8d9b0d770d1b74d939204c81961df71c48fc6fa74f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7149820b3de8bd856f05b8d9b0d770d1b74d939204c81961df71c48fc6fa74f3", kill_on_drop: false }`
[INFO] [stdout] 7149820b3de8bd856f05b8d9b0d770d1b74d939204c81961df71c48fc6fa74f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d909930a4eec3b19ca1933c041751896ef92f811309f1d937bfcb272ba987862
[INFO] running `Command { std: "docker" "start" "-a" "d909930a4eec3b19ca1933c041751896ef92f811309f1d937bfcb272ba987862", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_ti v1.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `end_index` is never read
[INFO] [stdout]    --> src/chart_trends.rs:404:17
[INFO] [stdout]     |
[INFO] [stdout] 404 |                 end_index = index;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `end_index` is never read
[INFO] [stdout]    --> src/chart_trends.rs:404:17
[INFO] [stdout]     |
[INFO] [stdout] 404 |                 end_index = index;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "d909930a4eec3b19ca1933c041751896ef92f811309f1d937bfcb272ba987862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d909930a4eec3b19ca1933c041751896ef92f811309f1d937bfcb272ba987862", kill_on_drop: false }`
[INFO] [stdout] d909930a4eec3b19ca1933c041751896ef92f811309f1d937bfcb272ba987862