[INFO] fetching crate zero-sdk 0.2.0...
[INFO] checking zero-sdk-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate zero-sdk 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate zero-sdk 0.2.0
[INFO] finished tweaking crates.io crate zero-sdk 0.2.0
[INFO] tweaked toml for crates.io crate zero-sdk 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zero-sdk 0.2.0 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 248 packages to latest compatible versions
[INFO] [stderr]       Adding httpmock v0.6.8 (available: v0.7.0)
[INFO] [stderr]       Adding ureq v2.12.1 (available: v3.0.12)
[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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 61a9ba9e334ea5daa5b1397afb9e807499525225ad74197ffc71acc7974b63a8
[INFO] running `Command { std: "docker" "start" "-a" "61a9ba9e334ea5daa5b1397afb9e807499525225ad74197ffc71acc7974b63a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61a9ba9e334ea5daa5b1397afb9e807499525225ad74197ffc71acc7974b63a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a9ba9e334ea5daa5b1397afb9e807499525225ad74197ffc71acc7974b63a8", kill_on_drop: false }`
[INFO] [stdout] 61a9ba9e334ea5daa5b1397afb9e807499525225ad74197ffc71acc7974b63a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5f2b174ca75fdbbddfdf7b091747e62595397802fd7b86370e6da1f266f1a214
[INFO] running `Command { std: "docker" "start" "-a" "5f2b174ca75fdbbddfdf7b091747e62595397802fd7b86370e6da1f266f1a214", kill_on_drop: false }`
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[INFO] [stderr]     Checking zero-sdk v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Arguments` is never constructed
[INFO] [stdout]  --> src/tests/mock_and_fetch.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Arguments<'a> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Options` is never constructed
[INFO] [stdout]  --> src/tests/mock_and_fetch.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Options {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mock_and_fetch` is never used
[INFO] [stdout]   --> src/tests/mock_and_fetch.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn mock_and_fetch(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.52s
[INFO] running `Command { std: "docker" "inspect" "5f2b174ca75fdbbddfdf7b091747e62595397802fd7b86370e6da1f266f1a214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2b174ca75fdbbddfdf7b091747e62595397802fd7b86370e6da1f266f1a214", kill_on_drop: false }`
[INFO] [stdout] 5f2b174ca75fdbbddfdf7b091747e62595397802fd7b86370e6da1f266f1a214