[INFO] fetching crate todo2 0.1.3...
[INFO] checking todo2-0.1.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate todo2 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate todo2 0.1.3
[INFO] finished tweaking crates.io crate todo2 0.1.3
[INFO] tweaked toml for crates.io crate todo2 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate todo2 0.1.3 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 39 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 51ec9556602fd381fcbb6d0984089817f3697c137d08984834a9e7de265fdde2
[INFO] running `Command { std: "docker" "start" "-a" "51ec9556602fd381fcbb6d0984089817f3697c137d08984834a9e7de265fdde2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51ec9556602fd381fcbb6d0984089817f3697c137d08984834a9e7de265fdde2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ec9556602fd381fcbb6d0984089817f3697c137d08984834a9e7de265fdde2", kill_on_drop: false }`
[INFO] [stdout] 51ec9556602fd381fcbb6d0984089817f3697c137d08984834a9e7de265fdde2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4de8ec3f30b9f02e444c85cbdef132a1869084e855c55d0d3bfc5a384d8443ae
[INFO] running `Command { std: "docker" "start" "-a" "4de8ec3f30b9f02e444c85cbdef132a1869084e855c55d0d3bfc5a384d8443ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking time-core v0.1.4
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking todo2 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `is_leap_year` is never used
[INFO] [stdout]   --> src/date/unix_time/mod.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(super) trait UnixTimeCalc {
[INFO] [stdout]    |                  ------------ associated function in this trait
[INFO] [stdout] 13 |     fn new() -> Self;
[INFO] [stdout] 14 |     fn is_leap_year(year: u32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_leap_year` is never used
[INFO] [stdout]   --> src/date/unix_time/mod.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(super) trait UnixTimeCalc {
[INFO] [stdout]    |                  ------------ associated function in this trait
[INFO] [stdout] 13 |     fn new() -> Self;
[INFO] [stdout] 14 |     fn is_leap_year(year: u32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_leap_year` is never used
[INFO] [stdout]   --> src/date/unix_time/mod.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(super) trait UnixTimeCalc {
[INFO] [stdout]    |                  ------------ associated function in this trait
[INFO] [stdout] 13 |     fn new() -> Self;
[INFO] [stdout] 14 |     fn is_leap_year(year: u32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "4de8ec3f30b9f02e444c85cbdef132a1869084e855c55d0d3bfc5a384d8443ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de8ec3f30b9f02e444c85cbdef132a1869084e855c55d0d3bfc5a384d8443ae", kill_on_drop: false }`
[INFO] [stdout] 4de8ec3f30b9f02e444c85cbdef132a1869084e855c55d0d3bfc5a384d8443ae