[INFO] fetching crate velr 0.2.9...
[INFO] testing velr-0.2.9 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate velr 0.2.9 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate velr 0.2.9
[INFO] finished tweaking crates.io crate velr 0.2.9
[INFO] tweaked toml for crates.io crate velr 0.2.9 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate velr 0.2.9 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate velr 0.2.9 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63aaab85009684f974833ddd874e316072c23ddf6ccc393de1322580a5b1a616
[INFO] running `Command { std: "docker" "start" "-a" "63aaab85009684f974833ddd874e316072c23ddf6ccc393de1322580a5b1a616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63aaab85009684f974833ddd874e316072c23ddf6ccc393de1322580a5b1a616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63aaab85009684f974833ddd874e316072c23ddf6ccc393de1322580a5b1a616", kill_on_drop: false }`
[INFO] [stdout] 63aaab85009684f974833ddd874e316072c23ddf6ccc393de1322580a5b1a616
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4b619172ff11fba9499a3554ce59756d920ca7a3b7ce029e651b19baab8c06d
[INFO] running `Command { std: "docker" "start" "-a" "b4b619172ff11fba9499a3554ce59756d920ca7a3b7ce029e651b19baab8c06d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling constant_time_eq v0.4.2
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]    Compiling blake3 v1.8.4
[INFO] [stderr]    Compiling velr v0.2.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]   --> src/runtime.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     path::{Path, PathBuf},
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `c_char` and `c_int`
[INFO] [stdout]  --> src/sys.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::os::raw::{c_char, c_int};
[INFO] [stdout]   |                    ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `col_count` is never read
[INFO] [stdout]     --> src/lib.rs:1196:5
[INFO] [stdout]      |
[INFO] [stdout] 1194 | pub struct RowIter<'t> {
[INFO] [stdout]      |            ------- field in this struct
[INFO] [stdout] 1195 |     rows: Option<NonNull<ffi::velr_rows>>,
[INFO] [stdout] 1196 |     col_count: usize,
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/runtime.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Runtime {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub path: PathBuf,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.37s
[INFO] running `Command { std: "docker" "inspect" "b4b619172ff11fba9499a3554ce59756d920ca7a3b7ce029e651b19baab8c06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4b619172ff11fba9499a3554ce59756d920ca7a3b7ce029e651b19baab8c06d", kill_on_drop: false }`
[INFO] [stdout] b4b619172ff11fba9499a3554ce59756d920ca7a3b7ce029e651b19baab8c06d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c50a0f541a7769dce8402ca2f76910350f6b32d111c135e5fb7bc0ad0e63966
[INFO] running `Command { std: "docker" "start" "-a" "0c50a0f541a7769dce8402ca2f76910350f6b32d111c135e5fb7bc0ad0e63966", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]   --> src/runtime.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     path::{Path, PathBuf},
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `c_char` and `c_int`
[INFO] [stdout]  --> src/sys.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::os::raw::{c_char, c_int};
[INFO] [stdout]   |                    ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `col_count` is never read
[INFO] [stdout]     --> src/lib.rs:1196:5
[INFO] [stdout]      |
[INFO] [stdout] 1194 | pub struct RowIter<'t> {
[INFO] [stdout]      |            ------- field in this struct
[INFO] [stdout] 1195 |     rows: Option<NonNull<ffi::velr_rows>>,
[INFO] [stdout] 1196 |     col_count: usize,
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/runtime.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Runtime {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub path: PathBuf,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling velr v0.2.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]   --> src/runtime.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     path::{Path, PathBuf},
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `c_char` and `c_int`
[INFO] [stdout]  --> src/sys.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::os::raw::{c_char, c_int};
[INFO] [stdout]   |                    ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `col_count` is never read
[INFO] [stdout]     --> src/lib.rs:1196:5
[INFO] [stdout]      |
[INFO] [stdout] 1194 | pub struct RowIter<'t> {
[INFO] [stdout]      |            ------- field in this struct
[INFO] [stdout] 1195 |     rows: Option<NonNull<ffi::velr_rows>>,
[INFO] [stdout] 1196 |     col_count: usize,
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/runtime.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Runtime {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub path: PathBuf,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `Command { std: "docker" "inspect" "0c50a0f541a7769dce8402ca2f76910350f6b32d111c135e5fb7bc0ad0e63966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c50a0f541a7769dce8402ca2f76910350f6b32d111c135e5fb7bc0ad0e63966", kill_on_drop: false }`
[INFO] [stdout] 0c50a0f541a7769dce8402ca2f76910350f6b32d111c135e5fb7bc0ad0e63966
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d1de319e4a42bb81fe5b63fa64d8e3935e7359c4e51c1cac220fb2f17fa92ed
[INFO] running `Command { std: "docker" "start" "-a" "5d1de319e4a42bb81fe5b63fa64d8e3935e7359c4e51c1cac220fb2f17fa92ed", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]   --> src/runtime.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     path::{Path, PathBuf},
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `c_char` and `c_int`
[INFO] [stderr]  --> src/sys.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::os::raw::{c_char, c_int};
[INFO] [stderr]   |                    ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `col_count` is never read
[INFO] [stderr]     --> src/lib.rs:1196:5
[INFO] [stderr]      |
[INFO] [stderr] 1194 | pub struct RowIter<'t> {
[INFO] [stderr]      |            ------- field in this struct
[INFO] [stderr] 1195 |     rows: Option<NonNull<ffi::velr_rows>>,
[INFO] [stderr] 1196 |     col_count: usize,
[INFO] [stderr]      |     ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `path` is never read
[INFO] [stderr]   --> src/runtime.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub struct Runtime {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub path: PathBuf,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `velr` (lib) generated 4 warnings (run `cargo fix --lib -p velr` to apply 2 suggestions)
[INFO] [stderr] warning: `velr` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/velr-18ad47363ca3d1e6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests velr
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d1de319e4a42bb81fe5b63fa64d8e3935e7359c4e51c1cac220fb2f17fa92ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1de319e4a42bb81fe5b63fa64d8e3935e7359c4e51c1cac220fb2f17fa92ed", kill_on_drop: false }`
[INFO] [stdout] 5d1de319e4a42bb81fe5b63fa64d8e3935e7359c4e51c1cac220fb2f17fa92ed