[INFO] fetching crate gcalc 0.4.0...
[INFO] checking gcalc-0.4.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate gcalc 0.4.0 into /workspace/builds/worker-7-tc2/source
[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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gcalc 0.4.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 291fcba8801b727ae1f30207d882762c9c47ff86d575d8377999c84373b5ec18
[INFO] running `Command { std: "docker" "start" "-a" "291fcba8801b727ae1f30207d882762c9c47ff86d575d8377999c84373b5ec18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "291fcba8801b727ae1f30207d882762c9c47ff86d575d8377999c84373b5ec18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "291fcba8801b727ae1f30207d882762c9c47ff86d575d8377999c84373b5ec18", kill_on_drop: false }`
[INFO] [stdout] 291fcba8801b727ae1f30207d882762c9c47ff86d575d8377999c84373b5ec18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 922c8cbb5fd3ce6c3315e6380b9bfad89619ba6c4d6c6e4061b308f52f67843c
[INFO] running `Command { std: "docker" "start" "-a" "922c8cbb5fd3ce6c3315e6380b9bfad89619ba6c4d6c6e4061b308f52f67843c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling memchr v2.4.1
[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]     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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.87s
[INFO] running `Command { std: "docker" "inspect" "922c8cbb5fd3ce6c3315e6380b9bfad89619ba6c4d6c6e4061b308f52f67843c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "922c8cbb5fd3ce6c3315e6380b9bfad89619ba6c4d6c6e4061b308f52f67843c", kill_on_drop: false }`
[INFO] [stdout] 922c8cbb5fd3ce6c3315e6380b9bfad89619ba6c4d6c6e4061b308f52f67843c