[INFO] cloning repository https://github.com/tchajed/rdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tchajed/rdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftchajed%2Frdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftchajed%2Frdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a86d4b9789b7ddc94afd8d207b12f9b1097e49d
[INFO] checking tchajed/rdb against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftchajed%2Frdb" "/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/tchajed/rdb 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-0-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/tchajed/rdb
[INFO] finished tweaking git repo https://github.com/tchajed/rdb
[INFO] tweaked toml for git repo https://github.com/tchajed/rdb written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tchajed/rdb 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 enum-iterator v1.1.3
[INFO] [stderr]   Downloaded enum-iterator-derive v1.0.2
[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] 0fd7a8ca566aaef7dcd196f7219ad24ab4f8316ba0b5674d588e934cc871ca1d
[INFO] running `Command { std: "docker" "start" "-a" "0fd7a8ca566aaef7dcd196f7219ad24ab4f8316ba0b5674d588e934cc871ca1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fd7a8ca566aaef7dcd196f7219ad24ab4f8316ba0b5674d588e934cc871ca1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd7a8ca566aaef7dcd196f7219ad24ab4f8316ba0b5674d588e934cc871ca1d", kill_on_drop: false }`
[INFO] [stdout] 0fd7a8ca566aaef7dcd196f7219ad24ab4f8316ba0b5674d588e934cc871ca1d
[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] 4dc960d6fbd2d3dbacb2b22d679afe4c5037ff3e34ac21070cf0e6e0b055df4c
[INFO] running `Command { std: "docker" "start" "-a" "4dc960d6fbd2d3dbacb2b22d679afe4c5037ff3e34ac21070cf0e6e0b055df4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling io-lifetimes v0.7.2
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling rustix v0.35.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]     Checking linux-raw-sys v0.0.46
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking fd-lock v3.0.6
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking rustyline v9.1.2
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling enum-iterator-derive v1.0.2
[INFO] [stderr]     Checking enum-iterator v1.1.3
[INFO] [stderr]     Checking clap v3.2.8
[INFO] [stderr]     Checking rdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.90s
[INFO] running `Command { std: "docker" "inspect" "4dc960d6fbd2d3dbacb2b22d679afe4c5037ff3e34ac21070cf0e6e0b055df4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dc960d6fbd2d3dbacb2b22d679afe4c5037ff3e34ac21070cf0e6e0b055df4c", kill_on_drop: false }`
[INFO] [stdout] 4dc960d6fbd2d3dbacb2b22d679afe4c5037ff3e34ac21070cf0e6e0b055df4c