[INFO] fetching crate el_roi 0.2.0...
[INFO] testing el_roi-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate el_roi 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate el_roi 0.2.0
[INFO] finished tweaking crates.io crate el_roi 0.2.0
[INFO] tweaked toml for crates.io crate el_roi 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate el_roi 0.2.0 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 el_roi 0.2.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] caf903acfe286c54f00b1ebc645ee0805794d9f5ef8c3c408202cb0f51f1b94a
[INFO] running `Command { std: "docker" "start" "-a" "caf903acfe286c54f00b1ebc645ee0805794d9f5ef8c3c408202cb0f51f1b94a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caf903acfe286c54f00b1ebc645ee0805794d9f5ef8c3c408202cb0f51f1b94a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf903acfe286c54f00b1ebc645ee0805794d9f5ef8c3c408202cb0f51f1b94a", kill_on_drop: false }`
[INFO] [stdout] caf903acfe286c54f00b1ebc645ee0805794d9f5ef8c3c408202cb0f51f1b94a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aff480d9b970a140ebba4acf5ac3ca863665b22176748a6ec615fde4c68dd555
[INFO] running `Command { std: "docker" "start" "-a" "aff480d9b970a140ebba4acf5ac3ca863665b22176748a6ec615fde4c68dd555", kill_on_drop: false }`
[INFO] [stderr]    Compiling el_roi v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_value_from` is never used
[INFO] [stdout]   --> src/utils.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) fn read_value_from<R: BufRead, T: FromStr>(reader: &mut R) -> T
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_int_from` is never used
[INFO] [stdout]   --> src/utils.rs:46:15
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub(crate) fn read_int_from<R: BufRead>(reader: &mut R) -> i32 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_float_from` is never used
[INFO] [stdout]   --> src/utils.rs:51:15
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub(crate) fn read_float_from<R: BufRead>(reader: &mut R) -> f64 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bool_from` is never used
[INFO] [stdout]   --> src/utils.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub(crate) fn read_bool_from<R: BufRead>(reader: &mut R) -> bool {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_char_from` is never used
[INFO] [stdout]   --> src/utils.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub(crate) fn read_char_from<R: BufRead>(reader: &mut R) -> char {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_int_vec_from` is never used
[INFO] [stdout]   --> src/utils.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub(crate) fn read_int_vec_from<R: BufRead>(reader: &mut R) -> Vec<i32> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_float_vec_from` is never used
[INFO] [stdout]   --> src/utils.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub(crate) fn read_float_vec_from<R: BufRead>(reader: &mut R) -> Vec<f64> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "aff480d9b970a140ebba4acf5ac3ca863665b22176748a6ec615fde4c68dd555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff480d9b970a140ebba4acf5ac3ca863665b22176748a6ec615fde4c68dd555", kill_on_drop: false }`
[INFO] [stdout] aff480d9b970a140ebba4acf5ac3ca863665b22176748a6ec615fde4c68dd555
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a346911331ae4f478af7a54fba665bf9e2d3a3d72f6968219181ec8c9d539a8
[INFO] running `Command { std: "docker" "start" "-a" "2a346911331ae4f478af7a54fba665bf9e2d3a3d72f6968219181ec8c9d539a8", kill_on_drop: false }`
[INFO] [stdout] warning: function `read_value_from` is never used
[INFO] [stdout]   --> src/utils.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) fn read_value_from<R: BufRead, T: FromStr>(reader: &mut R) -> T
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_int_from` is never used
[INFO] [stdout]   --> src/utils.rs:46:15
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub(crate) fn read_int_from<R: BufRead>(reader: &mut R) -> i32 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_float_from` is never used
[INFO] [stdout]   --> src/utils.rs:51:15
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub(crate) fn read_float_from<R: BufRead>(reader: &mut R) -> f64 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bool_from` is never used
[INFO] [stdout]   --> src/utils.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub(crate) fn read_bool_from<R: BufRead>(reader: &mut R) -> bool {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_char_from` is never used
[INFO] [stdout]   --> src/utils.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub(crate) fn read_char_from<R: BufRead>(reader: &mut R) -> char {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_int_vec_from` is never used
[INFO] [stdout]   --> src/utils.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub(crate) fn read_int_vec_from<R: BufRead>(reader: &mut R) -> Vec<i32> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_float_vec_from` is never used
[INFO] [stdout]   --> src/utils.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub(crate) fn read_float_vec_from<R: BufRead>(reader: &mut R) -> Vec<f64> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling el_roi v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "2a346911331ae4f478af7a54fba665bf9e2d3a3d72f6968219181ec8c9d539a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a346911331ae4f478af7a54fba665bf9e2d3a3d72f6968219181ec8c9d539a8", kill_on_drop: false }`
[INFO] [stdout] 2a346911331ae4f478af7a54fba665bf9e2d3a3d72f6968219181ec8c9d539a8
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 114d62242ec9aa97692dd4688af527b8c07ebadb42f5c864966fa89cb8347bd0
[INFO] running `Command { std: "docker" "start" "-a" "114d62242ec9aa97692dd4688af527b8c07ebadb42f5c864966fa89cb8347bd0", kill_on_drop: false }`
[INFO] [stderr] warning: function `read_value_from` is never used
[INFO] [stderr]   --> src/utils.rs:30:15
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub(crate) fn read_value_from<R: BufRead, T: FromStr>(reader: &mut R) -> T
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_int_from` is never used
[INFO] [stderr]   --> src/utils.rs:46:15
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub(crate) fn read_int_from<R: BufRead>(reader: &mut R) -> i32 {
[INFO] [stderr]    |               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_float_from` is never used
[INFO] [stderr]   --> src/utils.rs:51:15
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub(crate) fn read_float_from<R: BufRead>(reader: &mut R) -> f64 {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_bool_from` is never used
[INFO] [stderr]   --> src/utils.rs:56:15
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub(crate) fn read_bool_from<R: BufRead>(reader: &mut R) -> bool {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_char_from` is never used
[INFO] [stderr]   --> src/utils.rs:68:15
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub(crate) fn read_char_from<R: BufRead>(reader: &mut R) -> char {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_int_vec_from` is never used
[INFO] [stderr]   --> src/utils.rs:77:15
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub(crate) fn read_int_vec_from<R: BufRead>(reader: &mut R) -> Vec<i32> {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_float_vec_from` is never used
[INFO] [stderr]   --> src/utils.rs:90:15
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub(crate) fn read_float_vec_from<R: BufRead>(reader: &mut R) -> Vec<f64> {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `el_roi` (lib) generated 7 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/el_roi-7870b89478c31688)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_read_bool_from_false ... ok
[INFO] [stdout] test tests::test_read_bool_from_true ... ok
[INFO] [stdout] test tests::test_read_char_from ... ok
[INFO] [stdout] test tests::test_read_float_from ... ok
[INFO] [stdout] test tests::test_read_float_vec_from ... ok
[INFO] [stdout] test tests::test_read_int_from ... ok
[INFO] [stdout] test tests::test_read_string_vec_from ... ok
[INFO] [stdout] test tests::test_read_int_vec_from ... ok
[INFO] [stdout] test tests::test_read_string_from ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests el_roi
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 24) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "114d62242ec9aa97692dd4688af527b8c07ebadb42f5c864966fa89cb8347bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114d62242ec9aa97692dd4688af527b8c07ebadb42f5c864966fa89cb8347bd0", kill_on_drop: false }`
[INFO] [stdout] 114d62242ec9aa97692dd4688af527b8c07ebadb42f5c864966fa89cb8347bd0