[INFO] fetching crate calcit_runner 0.5.25...
[INFO] checking calcit_runner-0.5.25 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate calcit_runner 0.5.25 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate calcit_runner 0.5.25 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 crates.io crate calcit_runner 0.5.25
[INFO] finished tweaking crates.io crate calcit_runner 0.5.25
[INFO] tweaked toml for crates.io crate calcit_runner 0.5.25 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate calcit_runner 0.5.25 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded net2 v0.2.37
[INFO] [stderr]   Downloaded lazycell v1.3.0
[INFO] [stderr]   Downloaded slab v0.4.3
[INFO] [stderr]   Downloaded mio-extras v2.0.6
[INFO] [stderr]   Downloaded inotify-sys v0.1.5
[INFO] [stderr]   Downloaded fsevent v0.4.0
[INFO] [stderr]   Downloaded fsevent-sys v2.0.1
[INFO] [stderr]   Downloaded archery v0.4.0
[INFO] [stderr]   Downloaded ctrlc v3.2.1
[INFO] [stderr]   Downloaded dirs-sys v0.3.6
[INFO] [stderr]   Downloaded cirru_edn v0.2.14
[INFO] [stderr]   Downloaded cirru_parser v0.1.18
[INFO] [stderr]   Downloaded filetime v0.2.14
[INFO] [stderr]   Downloaded redox_users v0.4.0
[INFO] [stderr]   Downloaded getrandom v0.2.2
[INFO] [stderr]   Downloaded cc v1.0.71
[INFO] [stderr]   Downloaded im_ternary_tree v0.0.6
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded notify v4.0.17
[INFO] [stderr]   Downloaded nix v0.23.0
[INFO] [stderr]   Downloaded dirs v4.0.0
[INFO] [stderr]   Downloaded libloading v0.7.3
[INFO] [stderr]   Downloaded redox_syscall v0.2.6
[INFO] [stderr]   Downloaded libc v0.2.105
[INFO] [stderr]   Downloaded rpds v0.11.0
[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] cf200bfea0a444d17b2f5c822a2847c6ffcbf46a47c626f1920d211ef08e460d
[INFO] running `Command { std: "docker" "start" "-a" "cf200bfea0a444d17b2f5c822a2847c6ffcbf46a47c626f1920d211ef08e460d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf200bfea0a444d17b2f5c822a2847c6ffcbf46a47c626f1920d211ef08e460d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf200bfea0a444d17b2f5c822a2847c6ffcbf46a47c626f1920d211ef08e460d", kill_on_drop: false }`
[INFO] [stdout] cf200bfea0a444d17b2f5c822a2847c6ffcbf46a47c626f1920d211ef08e460d
[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] 218455ce152207caddcb797cd3ac3842b5b1646ea2524ac436e6e5f48af67c1a
[INFO] running `Command { std: "docker" "start" "-a" "218455ce152207caddcb797cd3ac3842b5b1646ea2524ac436e6e5f48af67c1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking archery v0.4.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking cirru_parser v0.1.18
[INFO] [stderr]     Checking rpds v0.11.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking cirru_edn v0.2.14
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]     Checking im_ternary_tree v0.0.6
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking ctrlc v3.2.1
[INFO] [stderr]     Checking calcit_runner v0.5.25 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/primes.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/primes.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.95s
[INFO] running `Command { std: "docker" "inspect" "218455ce152207caddcb797cd3ac3842b5b1646ea2524ac436e6e5f48af67c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "218455ce152207caddcb797cd3ac3842b5b1646ea2524ac436e6e5f48af67c1a", kill_on_drop: false }`
[INFO] [stdout] 218455ce152207caddcb797cd3ac3842b5b1646ea2524ac436e6e5f48af67c1a