[INFO] fetching crate zuu 0.3.7...
[INFO] checking zuu-0.3.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate zuu 0.3.7 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate zuu 0.3.7 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 zuu 0.3.7
[INFO] finished tweaking crates.io crate zuu 0.3.7
[INFO] tweaked toml for crates.io crate zuu 0.3.7 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate zuu 0.3.7 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded askama_parser v0.1.1
[INFO] [stderr]   Downloaded crossterm_cursor v0.4.0
[INFO] [stderr]   Downloaded askama_derive v0.12.2
[INFO] [stderr]   Downloaded crossterm_screen v0.3.2
[INFO] [stderr]   Downloaded askama v0.12.1
[INFO] [stderr]   Downloaded crossterm_input v0.5.0
[INFO] [stderr]   Downloaded crossterm_utils v0.4.0
[INFO] [stderr]   Downloaded css-color v0.2.5
[INFO] [stderr]   Downloaded crossterm_winapi v0.3.0
[INFO] [stderr]   Downloaded rsbadges v1.1.5
[INFO] [stderr]   Downloaded basic-toml v0.1.7
[INFO] [stderr]   Downloaded webbrowser v0.8.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 301d20e087d015c1a229c9caf948a6186776867cb260f036e7ae7c468ec0e55f
[INFO] running `Command { std: "docker" "start" "-a" "301d20e087d015c1a229c9caf948a6186776867cb260f036e7ae7c468ec0e55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "301d20e087d015c1a229c9caf948a6186776867cb260f036e7ae7c468ec0e55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "301d20e087d015c1a229c9caf948a6186776867cb260f036e7ae7c468ec0e55f", kill_on_drop: false }`
[INFO] [stdout] 301d20e087d015c1a229c9caf948a6186776867cb260f036e7ae7c468ec0e55f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c84ac559e02bfe18f6fc154c3f019c433be6ee6232a6734b7fcdf693ffc272ac
[INFO] running `Command { std: "docker" "start" "-a" "c84ac559e02bfe18f6fc154c3f019c433be6ee6232a6734b7fcdf693ffc272ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling rustls v0.21.9
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking humansize v2.1.3
[INFO] [stderr]     Checking askama_escape v0.10.3
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking webpki-roots v0.25.3
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking css-color v0.2.5
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking crossterm_utils v0.4.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking crossterm_screen v0.3.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking webbrowser v0.8.12
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossterm_input v0.5.0
[INFO] [stderr]     Checking crossterm_cursor v0.4.0
[INFO] [stderr]    Compiling ring v0.17.5
[INFO] [stderr]     Checking owned_ttf_parser v0.15.2
[INFO] [stderr]     Checking rusttype v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling askama_parser v0.1.1
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking ureq v2.9.0
[INFO] [stderr]    Compiling basic-toml v0.1.7
[INFO] [stderr]    Compiling askama_derive v0.12.2
[INFO] [stderr]     Checking askama v0.12.1
[INFO] [stderr]     Checking rsbadges v1.1.5
[INFO] [stderr]     Checking zuu v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.25s
[INFO] running `Command { std: "docker" "inspect" "c84ac559e02bfe18f6fc154c3f019c433be6ee6232a6734b7fcdf693ffc272ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c84ac559e02bfe18f6fc154c3f019c433be6ee6232a6734b7fcdf693ffc272ac", kill_on_drop: false }`
[INFO] [stdout] c84ac559e02bfe18f6fc154c3f019c433be6ee6232a6734b7fcdf693ffc272ac