[INFO] fetching crate fast_qr 0.10.4...
[INFO] checking fast_qr-0.10.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate fast_qr 0.10.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate fast_qr 0.10.4 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 fast_qr 0.10.4
[INFO] removed 4 missing examples
[INFO] finished tweaking crates.io crate fast_qr 0.10.4
[INFO] tweaked toml for crates.io crate fast_qr 0.10.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate fast_qr 0.10.4 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 simplecss v0.2.1
[INFO] [stderr]   Downloaded xmlparser v0.13.5
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[INFO] [stderr]   Downloaded svgtypes v0.8.2
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[INFO] [stderr]   Downloaded num-iter v0.1.43
[INFO] [stderr]   Downloaded unicode-ccc v0.1.2
[INFO] [stderr]   Downloaded roxmltree v0.15.1
[INFO] [stderr]   Downloaded ciborium-io v0.2.1
[INFO] [stderr]   Downloaded half v1.8.2
[INFO] [stderr]   Downloaded ciborium-ll v0.2.1
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[INFO] [stderr]   Downloaded rustybuzz v0.6.0
[INFO] [stderr]   Downloaded os_str_bytes v6.5.1
[INFO] [stderr]   Downloaded qrcode v0.12.0
[INFO] [stderr]   Downloaded rgb v0.8.36
[INFO] [stderr]   Downloaded svgfilters v0.4.0
[INFO] [stderr]   Downloaded png v0.17.6
[INFO] [stderr]   Downloaded roxmltree v0.18.0
[INFO] [stderr]   Downloaded fontconfig-parser v0.5.3
[INFO] [stderr]   Downloaded fontdb v0.10.0
[INFO] [stderr]   Downloaded ttf-parser v0.17.1
[INFO] [stderr]   Downloaded unicode-general-category v0.6.0
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[INFO] [stderr]   Downloaded data-url v0.2.0
[INFO] [stderr]   Downloaded imagesize v0.10.1
[INFO] [stderr]   Downloaded kurbo v0.8.3
[INFO] [stderr]   Downloaded usvg v0.28.0
[INFO] [stderr]   Downloaded resvg v0.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 73a15f773fdd92de78d524fe66236dbc6c49440095ce38c5b669aa3255dc1b83
[INFO] running `Command { std: "docker" "start" "-a" "73a15f773fdd92de78d524fe66236dbc6c49440095ce38c5b669aa3255dc1b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73a15f773fdd92de78d524fe66236dbc6c49440095ce38c5b669aa3255dc1b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a15f773fdd92de78d524fe66236dbc6c49440095ce38c5b669aa3255dc1b83", kill_on_drop: false }`
[INFO] [stdout] 73a15f773fdd92de78d524fe66236dbc6c49440095ce38c5b669aa3255dc1b83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7581de532186a4425912861671f10a6dab15979a5c974cf8f32016cdd29ce21c
[INFO] running `Command { std: "docker" "start" "-a" "7581de532186a4425912861671f10a6dab15979a5c974cf8f32016cdd29ce21c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking base64 v0.21.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking fast_qr v0.10.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking qrcode v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: function `bench_mask` is never used
[INFO] [stdout]   --> benches/qr.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn bench_mask(c: &mut Criterion) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 11.94s
[INFO] running `Command { std: "docker" "inspect" "7581de532186a4425912861671f10a6dab15979a5c974cf8f32016cdd29ce21c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7581de532186a4425912861671f10a6dab15979a5c974cf8f32016cdd29ce21c", kill_on_drop: false }`
[INFO] [stdout] 7581de532186a4425912861671f10a6dab15979a5c974cf8f32016cdd29ce21c
[INFO] checking fast_qr-0.10.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate fast_qr 0.10.4 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate fast_qr 0.10.4 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast_qr 0.10.4
[INFO] removed 4 missing examples
[INFO] finished tweaking crates.io crate fast_qr 0.10.4
[INFO] tweaked toml for crates.io crate fast_qr 0.10.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate fast_qr 0.10.4 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 272a5be5c7d63af4409280063bb11bb42eeea3b41ac3e1a8641ec2361db821d0
[INFO] running `Command { std: "docker" "start" "-a" "272a5be5c7d63af4409280063bb11bb42eeea3b41ac3e1a8641ec2361db821d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "272a5be5c7d63af4409280063bb11bb42eeea3b41ac3e1a8641ec2361db821d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272a5be5c7d63af4409280063bb11bb42eeea3b41ac3e1a8641ec2361db821d0", kill_on_drop: false }`
[INFO] [stdout] 272a5be5c7d63af4409280063bb11bb42eeea3b41ac3e1a8641ec2361db821d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b86b9d17979b826bb36a096b0369a30eae65bc8df1cf41b83c1dbac953876dd
[INFO] running `Command { std: "docker" "start" "-a" "1b86b9d17979b826bb36a096b0369a30eae65bc8df1cf41b83c1dbac953876dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking base64 v0.21.3
[INFO] [stderr]     Checking fast_qr v0.10.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking qrcode v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: function `bench_mask` is never used
[INFO] [stdout]   --> benches/qr.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn bench_mask(c: &mut Criterion) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 8.53s
[INFO] running `Command { std: "docker" "inspect" "1b86b9d17979b826bb36a096b0369a30eae65bc8df1cf41b83c1dbac953876dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b86b9d17979b826bb36a096b0369a30eae65bc8df1cf41b83c1dbac953876dd", kill_on_drop: false }`
[INFO] [stdout] 1b86b9d17979b826bb36a096b0369a30eae65bc8df1cf41b83c1dbac953876dd