[INFO] cloning repository https://github.com/ceres-lang/ceres-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ceres-lang/ceres-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fceres-lang%2Fceres-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fceres-lang%2Fceres-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97a230144012682172f15ba0fb95eebed38ee562
[INFO] testing ceres-lang/ceres-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fceres-lang%2Fceres-rs" "/workspace/builds/worker-71/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-71/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ceres-lang/ceres-rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ceres-lang/ceres-rs
[INFO] finished tweaking git repo https://github.com/ceres-lang/ceres-rs
[INFO] tweaked toml for git repo https://github.com/ceres-lang/ceres-rs written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] crate git repo https://github.com/ceres-lang/ceres-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c25b3365d27273e030661d508cb183cb8c86e3923fc2e47d62dc2fb78bfcca1
[INFO] running `Command { std: "docker" "start" "-a" "1c25b3365d27273e030661d508cb183cb8c86e3923fc2e47d62dc2fb78bfcca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c25b3365d27273e030661d508cb183cb8c86e3923fc2e47d62dc2fb78bfcca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c25b3365d27273e030661d508cb183cb8c86e3923fc2e47d62dc2fb78bfcca1", kill_on_drop: false }`
[INFO] [stdout] 1c25b3365d27273e030661d508cb183cb8c86e3923fc2e47d62dc2fb78bfcca1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50e1167635d6159721393668e5625404d9546b156bc60764a76235054a20a6d0
[INFO] running `Command { std: "docker" "start" "-a" "50e1167635d6159721393668e5625404d9546b156bc60764a76235054a20a6d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ceres-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::ast`
[INFO] [stdout]  --> src/lib/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::ast;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_eos`
[INFO] [stdout]   --> src/lib/parser.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn is_eos(&self) -> bool {
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "50e1167635d6159721393668e5625404d9546b156bc60764a76235054a20a6d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e1167635d6159721393668e5625404d9546b156bc60764a76235054a20a6d0", kill_on_drop: false }`
[INFO] [stdout] 50e1167635d6159721393668e5625404d9546b156bc60764a76235054a20a6d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6745b32d7f1e72928a6dc5be82110690020858db2260b40c2b26b4a6bea8da29
[INFO] running `Command { std: "docker" "start" "-a" "6745b32d7f1e72928a6dc5be82110690020858db2260b40c2b26b4a6bea8da29", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::ast`
[INFO] [stdout]  --> src/lib/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::ast;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_eos`
[INFO] [stdout]   --> src/lib/parser.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn is_eos(&self) -> bool {
[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] [stderr]    Compiling ceres-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]  --> tests/lexer_tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ceres::parser::Parser`
[INFO] [stdout]  --> tests/lexer_tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ceres::parser::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast`
[INFO] [stdout]  --> src/lib/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::ast;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_eos`
[INFO] [stdout]   --> src/lib/parser.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn is_eos(&self) -> bool {
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "6745b32d7f1e72928a6dc5be82110690020858db2260b40c2b26b4a6bea8da29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6745b32d7f1e72928a6dc5be82110690020858db2260b40c2b26b4a6bea8da29", kill_on_drop: false }`
[INFO] [stdout] 6745b32d7f1e72928a6dc5be82110690020858db2260b40c2b26b4a6bea8da29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c6404b6e40e0caeabee04600ee4ab60f153cdaba0c666bbb8c8296555fd9d5fe
[INFO] running `Command { std: "docker" "start" "-a" "c6404b6e40e0caeabee04600ee4ab60f153cdaba0c666bbb8c8296555fd9d5fe", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::ast`
[INFO] [stderr]  --> src/lib/parser.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::ast;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_eos`
[INFO] [stderr]   --> src/lib/parser.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn is_eos(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ceres-rs` (lib) generated 2 warnings
[INFO] [stderr] warning: `ceres-rs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: unused import: `std::vec`
[INFO] [stderr]  --> tests/lexer_tests.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::vec;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ceres::parser::Parser`
[INFO] [stderr]  --> tests/lexer_tests.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ceres::parser::Parser;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ceres-rs` (test "lexer_tests") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ceres-97c7869ef64498f1)
[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]      Running unittests (/opt/rustwide/target/debug/deps/ceres-bb3688fde91df03b)
[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]      Running tests/lexer_tests.rs (/opt/rustwide/target/debug/deps/lexer_tests-572ea351001b3d9a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test lexer_tests::lexer_ignore_comment ... ok
[INFO] [stdout] test lexer_tests::lexer_scan_expr ... ok
[INFO] [stdout] test lexer_tests::lexer_scan_string ... ok
[INFO] [stdout] test lexer_tests::lexer_ignore_whitespace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/parser_tests.rs (/opt/rustwide/target/debug/deps/parser_tests-64d806c2df1543ab)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test parser_tests::parser_parse_ident_then_number ... ok
[INFO] [stdout] test parser_tests::parser_parse_ident_then_string ... ok
[INFO] [stdout] test parser_tests::parser_parse_number ... ok
[INFO] [stdout] test parser_tests::parser_parse_string ... ok
[INFO] [stdout] test parser_tests::parser_parse_valid_ident ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ceres
[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" "c6404b6e40e0caeabee04600ee4ab60f153cdaba0c666bbb8c8296555fd9d5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6404b6e40e0caeabee04600ee4ab60f153cdaba0c666bbb8c8296555fd9d5fe", kill_on_drop: false }`
[INFO] [stdout] c6404b6e40e0caeabee04600ee4ab60f153cdaba0c666bbb8c8296555fd9d5fe