[INFO] cloning repository https://github.com/fasterthanlime/ziptest-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fasterthanlime/ziptest-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffasterthanlime%2Fziptest-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffasterthanlime%2Fziptest-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30cab3065abcb73feef9461de7f53cf65131cdbd
[INFO] checking fasterthanlime/ziptest-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffasterthanlime%2Fziptest-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fasterthanlime/ziptest-rs 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/fasterthanlime/ziptest-rs
[INFO] finished tweaking git repo https://github.com/fasterthanlime/ziptest-rs
[INFO] tweaked toml for git repo https://github.com/fasterthanlime/ziptest-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fasterthanlime/ziptest-rs 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 wasm-bindgen-backend v0.2.47
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.47
[INFO] [stderr]   Downloaded humansize v1.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.47
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.47
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.47
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.47
[INFO] [stderr]   Downloaded js-sys v0.3.24
[INFO] [stderr]   Downloaded web-sys v0.3.24
[INFO] [stderr]   Downloaded bumpalo v2.5.0
[INFO] [stderr]   Downloaded weedle v0.9.0
[INFO] [stderr]   Downloaded libflate v0.1.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fa983ab52fd7dcda9647e61fd6be16f71b089f44f2acdaf7c08f8ef074778fec
[INFO] running `Command { std: "docker" "start" "-a" "fa983ab52fd7dcda9647e61fd6be16f71b089f44f2acdaf7c08f8ef074778fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa983ab52fd7dcda9647e61fd6be16f71b089f44f2acdaf7c08f8ef074778fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa983ab52fd7dcda9647e61fd6be16f71b089f44f2acdaf7c08f8ef074778fec", kill_on_drop: false }`
[INFO] [stdout] fa983ab52fd7dcda9647e61fd6be16f71b089f44f2acdaf7c08f8ef074778fec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 83e56a47a89fb005f3d26a9e9b02a06869d91a12eceed68bcadbb322263add89
[INFO] running `Command { std: "docker" "start" "-a" "83e56a47a89fb005f3d26a9e9b02a06869d91a12eceed68bcadbb322263add89", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.47
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling bumpalo v2.5.0
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling wasm-bindgen v0.2.47
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]    Compiling weedle v0.9.0
[INFO] [stderr]     Checking libflate v0.1.25
[INFO] [stderr]     Checking zip v0.5.2
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.47
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.47
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.47
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.47
[INFO] [stderr]    Compiling web-sys v0.3.24
[INFO] [stderr]     Checking js-sys v0.3.24
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking wasm-logger v0.1.5
[INFO] [stderr]     Checking ziptest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `wasm_logger` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use wasm_logger;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `wasm_logger` is already defined by prelude
[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: the item `wasm_logger` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use wasm_logger;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `wasm_logger` is already defined by prelude
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.28s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3, wasm-bindgen v0.2.47
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "83e56a47a89fb005f3d26a9e9b02a06869d91a12eceed68bcadbb322263add89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e56a47a89fb005f3d26a9e9b02a06869d91a12eceed68bcadbb322263add89", kill_on_drop: false }`
[INFO] [stdout] 83e56a47a89fb005f3d26a9e9b02a06869d91a12eceed68bcadbb322263add89