[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#d2eadb7a94ef8c9deb5137695df33cd1fc5aee92 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhujuu%2Frust-qr-csv" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hujuu/rust-qr-csv on toolchain d2eadb7a94ef8c9deb5137695df33cd1fc5aee92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "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-4-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" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b4f7379904458aaf2cc40f580cf4a333f5e9cac5079816f743cee751c2e8a5e
[INFO] running `Command { std: "docker" "start" "-a" "3b4f7379904458aaf2cc40f580cf4a333f5e9cac5079816f743cee751c2e8a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b4f7379904458aaf2cc40f580cf4a333f5e9cac5079816f743cee751c2e8a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b4f7379904458aaf2cc40f580cf4a333f5e9cac5079816f743cee751c2e8a5e", kill_on_drop: false }`
[INFO] [stdout] 3b4f7379904458aaf2cc40f580cf4a333f5e9cac5079816f743cee751c2e8a5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b3805c4be1a1989e4bd2bd9c972a2a30bf15f9dc39f779f3c8f69123639b0be
[INFO] running `Command { std: "docker" "start" "-a" "6b3805c4be1a1989e4bd2bd9c972a2a30bf15f9dc39f779f3c8f69123639b0be", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]     Checking bytemuck v1.10.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking html-escape v0.2.11
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking qrcodegen v1.8.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking tiff v0.7.2
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking pin-project v1.0.11
[INFO] [stderr]     Checking flume v0.10.13
[INFO] [stderr]     Checking csv v1.1.6
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.85s
[INFO] running `Command { std: "docker" "inspect" "6b3805c4be1a1989e4bd2bd9c972a2a30bf15f9dc39f779f3c8f69123639b0be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3805c4be1a1989e4bd2bd9c972a2a30bf15f9dc39f779f3c8f69123639b0be", kill_on_drop: false }`
[INFO] [stdout] 6b3805c4be1a1989e4bd2bd9c972a2a30bf15f9dc39f779f3c8f69123639b0be