[INFO] cloning repository https://github.com/3c1u/csvksjtex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/3c1u/csvksjtex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3c1u%2Fcsvksjtex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3c1u%2Fcsvksjtex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b566a0f09ce4a957cdedef44073a1f56d9ef3d10
[INFO] checking 3c1u/csvksjtex/b566a0f09ce4a957cdedef44073a1f56d9ef3d10 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3c1u%2Fcsvksjtex" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/3c1u/csvksjtex on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/3c1u/csvksjtex
[INFO] finished tweaking git repo https://github.com/3c1u/csvksjtex
[INFO] tweaked toml for git repo https://github.com/3c1u/csvksjtex written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/3c1u/csvksjtex 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded csv-core v0.1.5
[INFO] [stderr]   Downloaded csv v1.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42ec6a9ac9ec41e35a81fd429d59ca573f388a5aece63c7e4c86d9b5ebe0d079
[INFO] running `Command { std: "docker" "start" "-a" "42ec6a9ac9ec41e35a81fd429d59ca573f388a5aece63c7e4c86d9b5ebe0d079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42ec6a9ac9ec41e35a81fd429d59ca573f388a5aece63c7e4c86d9b5ebe0d079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ec6a9ac9ec41e35a81fd429d59ca573f388a5aece63c7e4c86d9b5ebe0d079", kill_on_drop: false }`
[INFO] [stdout] 42ec6a9ac9ec41e35a81fd429d59ca573f388a5aece63c7e4c86d9b5ebe0d079
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e561e666fae08c1a8cf1e66c1eac176fe5061b345c3e6f43dbc093691bbab97
[INFO] running `Command { std: "docker" "start" "-a" "1e561e666fae08c1a8cf1e66c1eac176fe5061b345c3e6f43dbc093691bbab97", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]     Checking csvksjtex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:188:25
[INFO] [stdout]     |
[INFO] [stdout] 188 |                         _ => {}
[INFO] [stdout]     |                         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:188:25
[INFO] [stdout]     |
[INFO] [stdout] 184 |                         KsjCsvEntry::Str(s) => v.push(s),
[INFO] [stdout]     |                         ------------------- matches some of the same values
[INFO] [stdout] 185 |                         KsjCsvEntry::Expn(s1, s2) => {
[INFO] [stdout]     |                         ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 188 |                         _ => {}
[INFO] [stdout]     |                         ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:188:25
[INFO] [stdout]     |
[INFO] [stdout] 188 |                         _ => {}
[INFO] [stdout]     |                         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:188:25
[INFO] [stdout]     |
[INFO] [stdout] 184 |                         KsjCsvEntry::Str(s) => v.push(s),
[INFO] [stdout]     |                         ------------------- matches some of the same values
[INFO] [stdout] 185 |                         KsjCsvEntry::Expn(s1, s2) => {
[INFO] [stdout]     |                         ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 188 |                         _ => {}
[INFO] [stdout]     |                         ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Flatten` is never used
[INFO] [stdout]   --> src/main.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | trait Flatten<T> {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Flatten` is never used
[INFO] [stdout]   --> src/main.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | trait Flatten<T> {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 6.16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1e561e666fae08c1a8cf1e66c1eac176fe5061b345c3e6f43dbc093691bbab97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e561e666fae08c1a8cf1e66c1eac176fe5061b345c3e6f43dbc093691bbab97", kill_on_drop: false }`
[INFO] [stdout] 1e561e666fae08c1a8cf1e66c1eac176fe5061b345c3e6f43dbc093691bbab97