[INFO] cloning repository https://github.com/merlinfuchs/picasso-fingerprint
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/merlinfuchs/picasso-fingerprint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerlinfuchs%2Fpicasso-fingerprint", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerlinfuchs%2Fpicasso-fingerprint'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20ce2cf3ab4aea20ccd8b5e73c229d4e4460afef
[INFO] checking merlinfuchs/picasso-fingerprint against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerlinfuchs%2Fpicasso-fingerprint" "/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/merlinfuchs/picasso-fingerprint 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/merlinfuchs/picasso-fingerprint
[INFO] finished tweaking git repo https://github.com/merlinfuchs/picasso-fingerprint
[INFO] tweaked toml for git repo https://github.com/merlinfuchs/picasso-fingerprint written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/merlinfuchs/picasso-fingerprint 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 numtoa v0.2.4
[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] 5024cdb814721a8ce03d0e1dca19eacc9d1ada55b27ff60ef0745edf275949b0
[INFO] running `Command { std: "docker" "start" "-a" "5024cdb814721a8ce03d0e1dca19eacc9d1ada55b27ff60ef0745edf275949b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5024cdb814721a8ce03d0e1dca19eacc9d1ada55b27ff60ef0745edf275949b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5024cdb814721a8ce03d0e1dca19eacc9d1ada55b27ff60ef0745edf275949b0", kill_on_drop: false }`
[INFO] [stdout] 5024cdb814721a8ce03d0e1dca19eacc9d1ada55b27ff60ef0745edf275949b0
[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] afbf9e8177c3cbc400582869a00c3f6461a7fe85331f8d1b061a6553992c2944
[INFO] running `Command { std: "docker" "start" "-a" "afbf9e8177c3cbc400582869a00c3f6461a7fe85331f8d1b061a6553992c2944", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.79
[INFO] [stderr]    Compiling bumpalo v3.9.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.79
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking quad-rand v0.2.1
[INFO] [stderr]     Checking numtoa v0.2.4
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.79
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.79
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.79
[INFO] [stderr]     Checking js-sys v0.3.56
[INFO] [stderr]     Checking web-sys v0.3.56
[INFO] [stderr]     Checking picasso-wasm v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]   --> src/strings.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let buffer = unsafe { &mut STRING_BUFFER };
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]    = note: this will be a hard error in the 2024 edition
[INFO] [stdout]    = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let buffer = unsafe { addr_of_mut!(STRING_BUFFER) };
[INFO] [stdout]    |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]   --> src/strings.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let buffer = unsafe { &mut STRING_BUFFER };
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]    = note: this will be a hard error in the 2024 edition
[INFO] [stdout]    = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let buffer = unsafe { addr_of_mut!(STRING_BUFFER) };
[INFO] [stdout]    |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.79
[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" "afbf9e8177c3cbc400582869a00c3f6461a7fe85331f8d1b061a6553992c2944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afbf9e8177c3cbc400582869a00c3f6461a7fe85331f8d1b061a6553992c2944", kill_on_drop: false }`
[INFO] [stdout] afbf9e8177c3cbc400582869a00c3f6461a7fe85331f8d1b061a6553992c2944