[INFO] cloning repository https://github.com/hujuu/rust-qr-csv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hujuu/rust-qr-csv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhujuu%2Frust-qr-csv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhujuu%2Frust-qr-csv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d732d02db187436f570b9c5132efe4b6fef44fd4
[INFO] checking hujuu/rust-qr-csv against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhujuu%2Frust-qr-csv" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hujuu/rust-qr-csv 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/hujuu/rust-qr-csv
[INFO] finished tweaking git repo https://github.com/hujuu/rust-qr-csv
[INFO] tweaked toml for git repo https://github.com/hujuu/rust-qr-csv written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hujuu/rust-qr-csv 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 qrcode-generator v4.1.6
[INFO] [stderr]   Downloaded html-escape v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6788bc98aee13ee21f730413367c366b0ff8156a94d386bf633250d4dc37c509
[INFO] running `Command { std: "docker" "start" "-a" "6788bc98aee13ee21f730413367c366b0ff8156a94d386bf633250d4dc37c509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6788bc98aee13ee21f730413367c366b0ff8156a94d386bf633250d4dc37c509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6788bc98aee13ee21f730413367c366b0ff8156a94d386bf633250d4dc37c509", kill_on_drop: false }`
[INFO] [stdout] 6788bc98aee13ee21f730413367c366b0ff8156a94d386bf633250d4dc37c509
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7f8e8774b7e8a72e623ef67f31d364e962ac8e04abcbe9471856cdbfa05c66ae
[INFO] running `Command { std: "docker" "start" "-a" "7f8e8774b7e8a72e623ef67f31d364e962ac8e04abcbe9471856cdbfa05c66ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking bytemuck v1.10.0
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking html-escape v0.2.11
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking qrcodegen v1.8.0
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tiff v0.7.2
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking pin-project v1.0.11
[INFO] [stderr]     Checking flume v0.10.13
[INFO] [stderr]     Checking exr v1.4.2
[INFO] [stderr]     Checking qrcode v0.12.0
[INFO] [stderr]     Checking image v0.24.2
[INFO] [stderr]     Checking qrcode-generator v4.1.6
[INFO] [stderr]     Checking hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/main.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let start = Instant::now();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/main.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let start = Instant::now();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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 21.67s
[INFO] running `Command { std: "docker" "inspect" "7f8e8774b7e8a72e623ef67f31d364e962ac8e04abcbe9471856cdbfa05c66ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f8e8774b7e8a72e623ef67f31d364e962ac8e04abcbe9471856cdbfa05c66ae", kill_on_drop: false }`
[INFO] [stdout] 7f8e8774b7e8a72e623ef67f31d364e962ac8e04abcbe9471856cdbfa05c66ae
[INFO] checking hujuu/rust-qr-csv against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhujuu%2Frust-qr-csv" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hujuu/rust-qr-csv 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 git repo https://github.com/hujuu/rust-qr-csv
[INFO] finished tweaking git repo https://github.com/hujuu/rust-qr-csv
[INFO] tweaked toml for git repo https://github.com/hujuu/rust-qr-csv written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hujuu/rust-qr-csv 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 504f9140fe0c7417ab936a068af5cf7a2c274570f31babbc3935b43270bfab34
[INFO] running `Command { std: "docker" "start" "-a" "504f9140fe0c7417ab936a068af5cf7a2c274570f31babbc3935b43270bfab34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "504f9140fe0c7417ab936a068af5cf7a2c274570f31babbc3935b43270bfab34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "504f9140fe0c7417ab936a068af5cf7a2c274570f31babbc3935b43270bfab34", kill_on_drop: false }`
[INFO] [stdout] 504f9140fe0c7417ab936a068af5cf7a2c274570f31babbc3935b43270bfab34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7210e3b023b7ad3aec142325020755dbf5b9f95ee1444fddd63e22bf69fad967
[INFO] running `Command { std: "docker" "start" "-a" "7210e3b023b7ad3aec142325020755dbf5b9f95ee1444fddd63e22bf69fad967", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking bytemuck v1.10.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking html-escape v0.2.11
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking qrcodegen v1.8.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking tiff v0.7.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking pin-project v1.0.11
[INFO] [stderr]     Checking flume v0.10.13
[INFO] [stderr]     Checking exr v1.4.2
[INFO] [stderr]     Checking qrcode v0.12.0
[INFO] [stderr]     Checking image v0.24.2
[INFO] [stderr]     Checking qrcode-generator v4.1.6
[INFO] [stderr]     Checking hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/main.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let start = Instant::now();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/main.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let start = Instant::now();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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 19.33s
[INFO] running `Command { std: "docker" "inspect" "7210e3b023b7ad3aec142325020755dbf5b9f95ee1444fddd63e22bf69fad967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7210e3b023b7ad3aec142325020755dbf5b9f95ee1444fddd63e22bf69fad967", kill_on_drop: false }`
[INFO] [stdout] 7210e3b023b7ad3aec142325020755dbf5b9f95ee1444fddd63e22bf69fad967