[INFO] cloning repository https://github.com/mwc10/sd3norm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mwc10/sd3norm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwc10%2Fsd3norm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwc10%2Fsd3norm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b56e682c664e46a9947cfb7257934102b6b9e41
[INFO] checking mwc10/sd3norm against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwc10%2Fsd3norm" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mwc10/sd3norm 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/mwc10/sd3norm
[INFO] finished tweaking git repo https://github.com/mwc10/sd3norm
[INFO] tweaked toml for git repo https://github.com/mwc10/sd3norm written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mwc10/sd3norm 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 serde_derive v1.0.69
[INFO] [stderr]   Downloaded walkdir v2.1.4
[INFO] [stderr]   Downloaded flexi_logger v0.8.4
[INFO] [stderr]   Downloaded cfg-if v0.1.4
[INFO] [stderr]   Downloaded msdos_time v0.1.6
[INFO] [stderr]   Downloaded aho-corasick v0.6.5
[INFO] [stderr]   Downloaded log v0.4.3
[INFO] [stderr]   Downloaded same-file v1.0.2
[INFO] [stderr]   Downloaded miniz_oxide v0.1.3
[INFO] [stderr]   Downloaded flate2 v1.0.1
[INFO] [stderr]   Downloaded quick-xml v0.12.1
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.1.3
[INFO] [stderr]   Downloaded calamine v0.14.1
[INFO] [stderr]   Downloaded chrono v0.4.4
[INFO] [stderr]   Downloaded regex-syntax v0.6.1
[INFO] [stderr]   Downloaded csv v1.0.0
[INFO] [stderr]   Downloaded regex v1.0.1
[INFO] [stderr]   Downloaded encoding_rs v0.7.2
[INFO] [stderr]   Downloaded serde v1.0.69
[INFO] [stderr]   Downloaded zip v0.3.3
[INFO] [stderr]   Downloaded syn v0.14.4
[INFO] [stderr]   Downloaded csv-core v0.1.4
[INFO] [stderr]   Downloaded backtrace v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 902b3be3a1f3cb2fe9cff581850dcd25330134a3ae3128b6ec293705268555ee
[INFO] running `Command { std: "docker" "start" "-a" "902b3be3a1f3cb2fe9cff581850dcd25330134a3ae3128b6ec293705268555ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "902b3be3a1f3cb2fe9cff581850dcd25330134a3ae3128b6ec293705268555ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902b3be3a1f3cb2fe9cff581850dcd25330134a3ae3128b6ec293705268555ee", kill_on_drop: false }`
[INFO] [stdout] 902b3be3a1f3cb2fe9cff581850dcd25330134a3ae3128b6ec293705268555ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5976dd702eefc302e7442b7ef9624409ff25533c76f088a3dec64106910c2f1d
[INFO] running `Command { std: "docker" "start" "-a" "5976dd702eefc302e7442b7ef9624409ff25533c76f088a3dec64106910c2f1d", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.69
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking miniz_oxide v0.1.3
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking regex-syntax v0.6.1
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]     Checking aho-corasick v0.6.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.3
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking encoding_rs v0.7.2
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking zip v0.3.3
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking chrono v0.4.4
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking quick-xml v0.12.1
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling serde_derive v1.0.69
[INFO] [stderr]     Checking flexi_logger v0.8.4
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking calamine v0.14.1
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]     Checking sd3norm v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use] extern crate structopt;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use] extern crate structopt;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let mut rows = match RangeDeserializerBuilder::new()
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let mut rows = match RangeDeserializerBuilder::new()
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.08s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.12.1, syn v0.14.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "5976dd702eefc302e7442b7ef9624409ff25533c76f088a3dec64106910c2f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5976dd702eefc302e7442b7ef9624409ff25533c76f088a3dec64106910c2f1d", kill_on_drop: false }`
[INFO] [stdout] 5976dd702eefc302e7442b7ef9624409ff25533c76f088a3dec64106910c2f1d