[INFO] cloning repository https://github.com/aki-akaguma/aki-stats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aki-akaguma/aki-stats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faki-akaguma%2Faki-stats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faki-akaguma%2Faki-stats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d55883a89482c119cea0f65718ae056f532fa9d
[INFO] checking aki-akaguma/aki-stats against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faki-akaguma%2Faki-stats" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aki-akaguma/aki-stats 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] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/aki-akaguma/aki-stats
[INFO] finished tweaking git repo https://github.com/aki-akaguma/aki-stats
[INFO] tweaked toml for git repo https://github.com/aki-akaguma/aki-stats written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aki-akaguma/aki-stats 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 rust-version-info-file v0.1.8
[INFO] [stderr]   Downloaded memx v0.1.25
[INFO] [stderr]   Downloaded case v1.0.0
[INFO] [stderr]   Downloaded exec-target v0.2.8
[INFO] [stderr]   Downloaded flood-tide v0.2.9
[INFO] [stderr]   Downloaded memx-cdy v0.1.11
[INFO] [stderr]   Downloaded runnel v0.3.16
[INFO] [stderr]   Downloaded semver v1.0.16
[INFO] [stderr]   Downloaded flood-tide-gen v0.1.20
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30f1dfc53359b15a899992b24b1f3af3ed16192251aa62367d1ec4843712b6bc
[INFO] running `Command { std: "docker" "start" "-a" "30f1dfc53359b15a899992b24b1f3af3ed16192251aa62367d1ec4843712b6bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30f1dfc53359b15a899992b24b1f3af3ed16192251aa62367d1ec4843712b6bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f1dfc53359b15a899992b24b1f3af3ed16192251aa62367d1ec4843712b6bc", kill_on_drop: false }`
[INFO] [stdout] 30f1dfc53359b15a899992b24b1f3af3ed16192251aa62367d1ec4843712b6bc
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d033aff63877264b881a6054396e764c48c17894de8307ff771bc199110fd4d4
[INFO] running `Command { std: "docker" "start" "-a" "d033aff63877264b881a6054396e764c48c17894de8307ff771bc199110fd4d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling rust-version-info-file v0.1.8
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking flood-tide v0.2.9
[INFO] [stderr]     Checking exec-target v0.2.8
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking case v1.0.0
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling memx v0.1.25
[INFO] [stderr]    Compiling runnel v0.3.16
[INFO] [stderr]    Compiling aki-stats v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking memx-cdy v0.1.11
[INFO] [stdout] warning: unused import: `self::opt_uc_x_param::OptUcXParamParseError`
[INFO] [stdout]  --> src/util/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::opt_uc_x_param::OptUcXParamParseError;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::opt_uc_x_param::OptUcXParamParseError`
[INFO] [stdout]  --> src/util/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::opt_uc_x_param::OptUcXParamParseError;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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]     Checking regex v1.7.1
[INFO] [stderr]     Checking flood-tide-gen v0.1.20
[INFO] [stderr]     Checking xtask v0.1.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `Command { std: "docker" "inspect" "d033aff63877264b881a6054396e764c48c17894de8307ff771bc199110fd4d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d033aff63877264b881a6054396e764c48c17894de8307ff771bc199110fd4d4", kill_on_drop: false }`
[INFO] [stdout] d033aff63877264b881a6054396e764c48c17894de8307ff771bc199110fd4d4
[INFO] checking aki-akaguma/aki-stats against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faki-akaguma%2Faki-stats" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aki-akaguma/aki-stats on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/aki-akaguma/aki-stats
[INFO] finished tweaking git repo https://github.com/aki-akaguma/aki-stats
[INFO] tweaked toml for git repo https://github.com/aki-akaguma/aki-stats written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/aki-akaguma/aki-stats 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d0c890916f7c3875b74bd1b98c2a7d96f830658b73505297b557e8b9dda4bb4
[INFO] running `Command { std: "docker" "start" "-a" "2d0c890916f7c3875b74bd1b98c2a7d96f830658b73505297b557e8b9dda4bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d0c890916f7c3875b74bd1b98c2a7d96f830658b73505297b557e8b9dda4bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0c890916f7c3875b74bd1b98c2a7d96f830658b73505297b557e8b9dda4bb4", kill_on_drop: false }`
[INFO] [stdout] 2d0c890916f7c3875b74bd1b98c2a7d96f830658b73505297b557e8b9dda4bb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 158af630bae9093eaff1576efae1cb57a9a7ef4ef34cffdef0e362c9104129cd
[INFO] running `Command { std: "docker" "start" "-a" "158af630bae9093eaff1576efae1cb57a9a7ef4ef34cffdef0e362c9104129cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling rust-version-info-file v0.1.8
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking flood-tide v0.2.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking exec-target v0.2.8
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking case v1.0.0
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling memx v0.1.25
[INFO] [stderr]    Compiling runnel v0.3.16
[INFO] [stderr]    Compiling aki-stats v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking memx-cdy v0.1.11
[INFO] [stdout] warning: unused import: `self::opt_uc_x_param::OptUcXParamParseError`
[INFO] [stdout]  --> src/util/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::opt_uc_x_param::OptUcXParamParseError;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::opt_uc_x_param::OptUcXParamParseError`
[INFO] [stdout]  --> src/util/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::opt_uc_x_param::OptUcXParamParseError;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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]     Checking regex v1.7.1
[INFO] [stderr]     Checking flood-tide-gen v0.1.20
[INFO] [stderr]     Checking xtask v0.1.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.17s
[INFO] running `Command { std: "docker" "inspect" "158af630bae9093eaff1576efae1cb57a9a7ef4ef34cffdef0e362c9104129cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "158af630bae9093eaff1576efae1cb57a9a7ef4ef34cffdef0e362c9104129cd", kill_on_drop: false }`
[INFO] [stdout] 158af630bae9093eaff1576efae1cb57a9a7ef4ef34cffdef0e362c9104129cd