[INFO] fetching crate lionfish 0.1.1...
[INFO] checking lionfish-0.1.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate lionfish 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate lionfish 0.1.1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lionfish 0.1.1
[INFO] finished tweaking crates.io crate lionfish 0.1.1
[INFO] tweaked toml for crates.io crate lionfish 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 283854691fe6f8fc7dee62169bcf80dbc296ecabc16bbb6cb781f6e23986c487
[INFO] running `Command { std: "docker" "start" "-a" "283854691fe6f8fc7dee62169bcf80dbc296ecabc16bbb6cb781f6e23986c487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "283854691fe6f8fc7dee62169bcf80dbc296ecabc16bbb6cb781f6e23986c487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283854691fe6f8fc7dee62169bcf80dbc296ecabc16bbb6cb781f6e23986c487", kill_on_drop: false }`
[INFO] [stdout] 283854691fe6f8fc7dee62169bcf80dbc296ecabc16bbb6cb781f6e23986c487
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f31edcc0188ef4b88db68cd420690ae57a6e9949424dbdebc0d18405a197bb52
[INFO] running `Command { std: "docker" "start" "-a" "f31edcc0188ef4b88db68cd420690ae57a6e9949424dbdebc0d18405a197bb52", kill_on_drop: false }`
[INFO] [stderr]     Checking lionfish v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::combinators::*`
[INFO] [stdout]   --> src/parser.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use self::combinators::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `num_fields` is never read
[INFO] [stdout]   --> src/parser/csv.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct CsvData {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 24 |     pub num_fields: usize,
[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: field `num_fields` is never read
[INFO] [stdout]   --> src/parser/csv.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct CsvData {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 24 |     pub num_fields: usize,
[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 0.13s
[INFO] running `Command { std: "docker" "inspect" "f31edcc0188ef4b88db68cd420690ae57a6e9949424dbdebc0d18405a197bb52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f31edcc0188ef4b88db68cd420690ae57a6e9949424dbdebc0d18405a197bb52", kill_on_drop: false }`
[INFO] [stdout] f31edcc0188ef4b88db68cd420690ae57a6e9949424dbdebc0d18405a197bb52
[INFO] checking lionfish-0.1.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate lionfish 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate lionfish 0.1.1 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lionfish 0.1.1
[INFO] finished tweaking crates.io crate lionfish 0.1.1
[INFO] tweaked toml for crates.io crate lionfish 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9aaa51e6a51f05aa293a6e0729aa40bb37b9f310ae8d8819a3cc83cdfaef454a
[INFO] running `Command { std: "docker" "start" "-a" "9aaa51e6a51f05aa293a6e0729aa40bb37b9f310ae8d8819a3cc83cdfaef454a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9aaa51e6a51f05aa293a6e0729aa40bb37b9f310ae8d8819a3cc83cdfaef454a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aaa51e6a51f05aa293a6e0729aa40bb37b9f310ae8d8819a3cc83cdfaef454a", kill_on_drop: false }`
[INFO] [stdout] 9aaa51e6a51f05aa293a6e0729aa40bb37b9f310ae8d8819a3cc83cdfaef454a
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a73cafec7e8c69a9222f7ba5d0ff9471720b1143ad78532abcdf0c7c5acc9a4
[INFO] running `Command { std: "docker" "start" "-a" "7a73cafec7e8c69a9222f7ba5d0ff9471720b1143ad78532abcdf0c7c5acc9a4", kill_on_drop: false }`
[INFO] [stderr]     Checking lionfish v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::combinators::*`
[INFO] [stdout]   --> src/parser.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use self::combinators::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `num_fields` is never read
[INFO] [stdout]   --> src/parser/csv.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct CsvData {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 24 |     pub num_fields: usize,
[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: field `num_fields` is never read
[INFO] [stdout]   --> src/parser/csv.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct CsvData {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 24 |     pub num_fields: usize,
[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 0.13s
[INFO] running `Command { std: "docker" "inspect" "7a73cafec7e8c69a9222f7ba5d0ff9471720b1143ad78532abcdf0c7c5acc9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a73cafec7e8c69a9222f7ba5d0ff9471720b1143ad78532abcdf0c7c5acc9a4", kill_on_drop: false }`
[INFO] [stdout] 7a73cafec7e8c69a9222f7ba5d0ff9471720b1143ad78532abcdf0c7c5acc9a4