[INFO] cloning repository https://github.com/n4to4/small
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n4to4/small" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4to4%2Fsmall", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4to4%2Fsmall'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b923e3100a361fb504ffbc013df6e6cf32701c9
[INFO] checking n4to4/small against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4to4%2Fsmall" "/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/n4to4/small 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/n4to4/small
[INFO] finished tweaking git repo https://github.com/n4to4/small
[INFO] tweaked toml for git repo https://github.com/n4to4/small written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/n4to4/small 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 smol_str v0.1.22
[INFO] [stderr]   Downloaded drawille v0.3.0
[INFO] [stderr]   Downloaded rgb v0.8.32
[INFO] [stderr]   Downloaded textplots v0.8.0
[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] 10027a04fb7b3ee7a40f438de6de41ab268e58b7a3de2db0ce4ce1bdb330495d
[INFO] running `Command { std: "docker" "start" "-a" "10027a04fb7b3ee7a40f438de6de41ab268e58b7a3de2db0ce4ce1bdb330495d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10027a04fb7b3ee7a40f438de6de41ab268e58b7a3de2db0ce4ce1bdb330495d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10027a04fb7b3ee7a40f438de6de41ab268e58b7a3de2db0ce4ce1bdb330495d", kill_on_drop: false }`
[INFO] [stdout] 10027a04fb7b3ee7a40f438de6de41ab268e58b7a3de2db0ce4ce1bdb330495d
[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] e76634da1306549d41389532a645144747a665bf17fd23dac3cf6de2d990c05b
[INFO] running `Command { std: "docker" "start" "-a" "e76634da1306549d41389532a645144747a665bf17fd23dac3cf6de2d990c05b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling argh_shared v0.1.7
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking rgb v0.8.32
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking meval v0.2.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking drawille v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structmeta-derive v0.1.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling argh_derive v0.1.7
[INFO] [stderr]    Compiling structmeta v0.1.4
[INFO] [stderr]    Compiling parse-display-derive v0.5.5
[INFO] [stderr]     Checking argh v0.1.7
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking textplots v0.8.0
[INFO] [stderr]     Checking parse-display v0.5.5
[INFO] [stderr]     Checking smol_str v0.1.22
[INFO] [stderr]     Checking small v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.14s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v1.2.4, structmeta-derive v0.1.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "e76634da1306549d41389532a645144747a665bf17fd23dac3cf6de2d990c05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76634da1306549d41389532a645144747a665bf17fd23dac3cf6de2d990c05b", kill_on_drop: false }`
[INFO] [stdout] e76634da1306549d41389532a645144747a665bf17fd23dac3cf6de2d990c05b