[INFO] fetching crate gcalc 0.4.0... [INFO] checking gcalc-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate gcalc 0.4.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate gcalc 0.4.0 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 crates.io crate gcalc 0.4.0 [INFO] finished tweaking crates.io crate gcalc 0.4.0 [INFO] tweaked toml for crates.io crate gcalc 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate gcalc 0.4.0 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 tabled_derive v0.1.8 [INFO] [stderr] Downloaded tabled v0.3.0 [INFO] [stderr] Downloaded papergrid v0.1.23 [INFO] [stderr] Downloaded serde_json v1.0.78 [INFO] [stderr] Downloaded syn v1.0.86 [INFO] [stderr] Downloaded libc v0.2.116 [INFO] [stderr] Downloaded cindex v0.5.1 [INFO] [stderr] Downloaded dcsv v0.2.0 [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] 05daa8f3a2ddef396ade73ac506fff0bb38057cd3de8878f6273202a4a30ff34 [INFO] running `Command { std: "docker" "start" "-a" "05daa8f3a2ddef396ade73ac506fff0bb38057cd3de8878f6273202a4a30ff34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05daa8f3a2ddef396ade73ac506fff0bb38057cd3de8878f6273202a4a30ff34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05daa8f3a2ddef396ade73ac506fff0bb38057cd3de8878f6273202a4a30ff34", kill_on_drop: false }` [INFO] [stdout] 05daa8f3a2ddef396ade73ac506fff0bb38057cd3de8878f6273202a4a30ff34 [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] 4b69934959aa80fee55ee5d1a3c27fa8cf0996962208e6b0b814e2b38b35884a [INFO] running `Command { std: "docker" "start" "-a" "4b69934959aa80fee55ee5d1a3c27fa8cf0996962208e6b0b814e2b38b35884a", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking dcsv v0.2.0 [INFO] [stderr] Checking cindex v0.5.1 [INFO] [stderr] Checking gcalc v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::iter::FromIterator` [INFO] [stdout] --> src/calc.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::FromIterator` [INFO] [stdout] --> src/calc.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/models.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub(crate) struct Qualficiation { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | pub value: f32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FormatRecord` is never constructed [INFO] [stdout] --> src/models.rs:41:19 [INFO] [stdout] | [INFO] [stdout] 41 | pub(crate) struct FormatRecord { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_record` is never used [INFO] [stdout] --> src/models.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 49 | impl FormatRecord { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 50 | pub fn from_record(record: &Record) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/models.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub(crate) struct Qualficiation { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | pub value: f32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FormatRecord` is never constructed [INFO] [stdout] --> src/models.rs:41:19 [INFO] [stdout] | [INFO] [stdout] 41 | pub(crate) struct FormatRecord { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_record` is never used [INFO] [stdout] --> src/models.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 49 | impl FormatRecord { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 50 | pub fn from_record(record: &Record) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.61s [INFO] running `Command { std: "docker" "inspect" "4b69934959aa80fee55ee5d1a3c27fa8cf0996962208e6b0b814e2b38b35884a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b69934959aa80fee55ee5d1a3c27fa8cf0996962208e6b0b814e2b38b35884a", kill_on_drop: false }` [INFO] [stdout] 4b69934959aa80fee55ee5d1a3c27fa8cf0996962208e6b0b814e2b38b35884a [INFO] checking gcalc-0.4.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate gcalc 0.4.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate gcalc 0.4.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate gcalc 0.4.0 [INFO] finished tweaking crates.io crate gcalc 0.4.0 [INFO] tweaked toml for crates.io crate gcalc 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate gcalc 0.4.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1731287ae2540fbb218a802038f2ffa7d0f54bc78d591fab6643d0391652478c [INFO] running `Command { std: "docker" "start" "-a" "1731287ae2540fbb218a802038f2ffa7d0f54bc78d591fab6643d0391652478c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1731287ae2540fbb218a802038f2ffa7d0f54bc78d591fab6643d0391652478c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1731287ae2540fbb218a802038f2ffa7d0f54bc78d591fab6643d0391652478c", kill_on_drop: false }` [INFO] [stdout] 1731287ae2540fbb218a802038f2ffa7d0f54bc78d591fab6643d0391652478c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 370a43e01a6ab959a8cbede302dea7949da1509835cbe21f2b2e7953eac45a71 [INFO] running `Command { std: "docker" "start" "-a" "370a43e01a6ab959a8cbede302dea7949da1509835cbe21f2b2e7953eac45a71", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking dcsv v0.2.0 [INFO] [stderr] Checking cindex v0.5.1 [INFO] [stderr] Checking gcalc v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::iter::FromIterator` [INFO] [stdout] --> src/calc.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::FromIterator` [INFO] [stdout] --> src/calc.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/models.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub(crate) struct Qualficiation { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | pub value: f32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FormatRecord` is never constructed [INFO] [stdout] --> src/models.rs:41:19 [INFO] [stdout] | [INFO] [stdout] 41 | pub(crate) struct FormatRecord { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_record` is never used [INFO] [stdout] --> src/models.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 49 | impl FormatRecord { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 50 | pub fn from_record(record: &Record) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/models.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub(crate) struct Qualficiation { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | pub value: f32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FormatRecord` is never constructed [INFO] [stdout] --> src/models.rs:41:19 [INFO] [stdout] | [INFO] [stdout] 41 | pub(crate) struct FormatRecord { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_record` is never used [INFO] [stdout] --> src/models.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 49 | impl FormatRecord { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 50 | pub fn from_record(record: &Record) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.76s [INFO] running `Command { std: "docker" "inspect" "370a43e01a6ab959a8cbede302dea7949da1509835cbe21f2b2e7953eac45a71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "370a43e01a6ab959a8cbede302dea7949da1509835cbe21f2b2e7953eac45a71", kill_on_drop: false }` [INFO] [stdout] 370a43e01a6ab959a8cbede302dea7949da1509835cbe21f2b2e7953eac45a71