[INFO] cloning repository https://github.com/dnknth/zipview
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dnknth/zipview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnknth%2Fzipview", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnknth%2Fzipview'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82a7b0a3c9136a9c6c0390c466cf485341be38ed
[INFO] checking dnknth/zipview against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnknth%2Fzipview" "/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/dnknth/zipview 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/dnknth/zipview
[INFO] finished tweaking git repo https://github.com/dnknth/zipview
[INFO] tweaked toml for git repo https://github.com/dnknth/zipview written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dnknth/zipview 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 cgi v0.6.0
[INFO] [stderr]   Downloaded syn v1.0.46
[INFO] [stderr]   Downloaded format_xml v0.1.6
[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] aa35e127aee53200d0a2b6491d2b8ddf24294e2bd6b4b027e448ec4954d264a2
[INFO] running `Command { std: "docker" "start" "-a" "aa35e127aee53200d0a2b6491d2b8ddf24294e2bd6b4b027e448ec4954d264a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa35e127aee53200d0a2b6491d2b8ddf24294e2bd6b4b027e448ec4954d264a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa35e127aee53200d0a2b6491d2b8ddf24294e2bd6b4b027e448ec4954d264a2", kill_on_drop: false }`
[INFO] [stdout] aa35e127aee53200d0a2b6491d2b8ddf24294e2bd6b4b027e448ec4954d264a2
[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] a339ca83d408b89628f2aefdb0e12df86077de17340dce6c00cb79507f404cbc
[INFO] running `Command { std: "docker" "start" "-a" "a339ca83d408b89628f2aefdb0e12df86077de17340dce6c00cb79507f404cbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking format_xml v0.1.6
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking cgi v0.6.0
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking zip v0.5.8
[INFO] [stderr]     Checking zipview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `Command { std: "docker" "inspect" "a339ca83d408b89628f2aefdb0e12df86077de17340dce6c00cb79507f404cbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a339ca83d408b89628f2aefdb0e12df86077de17340dce6c00cb79507f404cbc", kill_on_drop: false }`
[INFO] [stdout] a339ca83d408b89628f2aefdb0e12df86077de17340dce6c00cb79507f404cbc