[INFO] cloning repository https://github.com/udayj/calr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/udayj/calr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudayj%2Fcalr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudayj%2Fcalr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0c07e6fcda23ce73dcbd625c4c3d4955eba4434
[INFO] checking udayj/calr against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudayj%2Fcalr" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/udayj/calr on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/udayj/calr
[INFO] finished tweaking git repo https://github.com/udayj/calr
[INFO] tweaked toml for git repo https://github.com/udayj/calr written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/udayj/calr 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates v2.1.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.59
[INFO] [stderr]   Downloaded serde v1.0.163
[INFO] [stderr]   Downloaded assert_cmd v2.0.11
[INFO] [stderr]   Downloaded regex v1.8.3
[INFO] [stderr]   Downloaded bstr v1.5.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 438800e9eda28eaaa91aa04b8646014658674a005fe5ca605c75bae36bea6064
[INFO] running `Command { std: "docker" "start" "-a" "438800e9eda28eaaa91aa04b8646014658674a005fe5ca605c75bae36bea6064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "438800e9eda28eaaa91aa04b8646014658674a005fe5ca605c75bae36bea6064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "438800e9eda28eaaa91aa04b8646014658674a005fe5ca605c75bae36bea6064", kill_on_drop: false }`
[INFO] [stdout] 438800e9eda28eaaa91aa04b8646014658674a005fe5ca605c75bae36bea6064
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 250fcac0a67de95e4efddb89f6ca6624d788699b4e1fa98c95dd112e2ae7fdbe
[INFO] running `Command { std: "docker" "start" "-a" "250fcac0a67de95e4efddb89f6ca6624d788699b4e1fa98c95dd112e2ae7fdbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking bstr v1.5.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking chrono v0.4.24
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking assert_cmd v2.0.11
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking calr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `chrono::Local::today`: use `Local::now()` instead
[INFO] [stdout]   --> src/lib.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let today = Local::today();
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `month`, `year`, and `today` are never read
[INFO] [stdout]   --> src/lib.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 8  |
[INFO] [stdout] 9  |     month: Option<u32>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     year: i32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     today: NaiveDate,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::Local::today`: use `Local::now()` instead
[INFO] [stdout]   --> src/lib.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let today = Local::today();
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `month`, `year`, and `today` are never read
[INFO] [stdout]   --> src/lib.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 8  |
[INFO] [stdout] 9  |     month: Option<u32>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     year: i32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     today: NaiveDate,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.86s
[INFO] running `Command { std: "docker" "inspect" "250fcac0a67de95e4efddb89f6ca6624d788699b4e1fa98c95dd112e2ae7fdbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "250fcac0a67de95e4efddb89f6ca6624d788699b4e1fa98c95dd112e2ae7fdbe", kill_on_drop: false }`
[INFO] [stdout] 250fcac0a67de95e4efddb89f6ca6624d788699b4e1fa98c95dd112e2ae7fdbe