[INFO] fetching crate parse_cfg 2.0.0...
[INFO] testing parse_cfg-2.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate parse_cfg 2.0.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate parse_cfg 2.0.0 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 crates.io crate parse_cfg 2.0.0
[INFO] finished tweaking crates.io crate parse_cfg 2.0.0
[INFO] tweaked toml for crates.io crate parse_cfg 2.0.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] f5e1dd7939ef57ad57c699b34aef11b91d7d2810f45c351e4ba19f029782c45a
[INFO] running `Command { std: "docker" "start" "-a" "f5e1dd7939ef57ad57c699b34aef11b91d7d2810f45c351e4ba19f029782c45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5e1dd7939ef57ad57c699b34aef11b91d7d2810f45c351e4ba19f029782c45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5e1dd7939ef57ad57c699b34aef11b91d7d2810f45c351e4ba19f029782c45a", kill_on_drop: false }`
[INFO] [stdout] f5e1dd7939ef57ad57c699b34aef11b91d7d2810f45c351e4ba19f029782c45a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 90a05f28cd4d6d9e0937012a7acebb18764bb239694b65154b6f850c981d28ad
[INFO] running `Command { std: "docker" "start" "-a" "90a05f28cd4d6d9e0937012a7acebb18764bb239694b65154b6f850c981d28ad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling parse_cfg v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "90a05f28cd4d6d9e0937012a7acebb18764bb239694b65154b6f850c981d28ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a05f28cd4d6d9e0937012a7acebb18764bb239694b65154b6f850c981d28ad", kill_on_drop: false }`
[INFO] [stdout] 90a05f28cd4d6d9e0937012a7acebb18764bb239694b65154b6f850c981d28ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 2a3ee31b0845d276941791c2bbb52ca7c6f70aca6a03773f1c35e1e823a0acc5
[INFO] running `Command { std: "docker" "start" "-a" "2a3ee31b0845d276941791c2bbb52ca7c6f70aca6a03773f1c35e1e823a0acc5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling parse_cfg v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:209:42
[INFO] [stdout]     |
[INFO] [stdout] 209 |         assert!(parse_target(t).is_ok(), t);
[INFO] [stdout]     |                                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 209 |         assert!(parse_target(t).is_ok(), "{}", t);
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "2a3ee31b0845d276941791c2bbb52ca7c6f70aca6a03773f1c35e1e823a0acc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a3ee31b0845d276941791c2bbb52ca7c6f70aca6a03773f1c35e1e823a0acc5", kill_on_drop: false }`
[INFO] [stdout] 2a3ee31b0845d276941791c2bbb52ca7c6f70aca6a03773f1c35e1e823a0acc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 7b3c44bb641f2b42f43fdc32a475536a59dc81f9f0af2e04e8eb909e3c1b4ca6
[INFO] running `Command { std: "docker" "start" "-a" "7b3c44bb641f2b42f43fdc32a475536a59dc81f9f0af2e04e8eb909e3c1b4ca6", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:209:42
[INFO] [stderr]     |
[INFO] [stderr] 209 |         assert!(parse_target(t).is_ok(), t);
[INFO] [stderr]     |                                          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 209 |         assert!(parse_target(t).is_ok(), "{}", t);
[INFO] [stderr]     |                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `parse_cfg` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/parse_cfg-64d8371fe273daf8)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test display::print ... ok
[INFO] [stdout] test garbage ... ok
[INFO] [stdout] test parses ... ok
[INFO] [stdout] test targets ... 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]    Doc-tests parse_cfg
[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" "7b3c44bb641f2b42f43fdc32a475536a59dc81f9f0af2e04e8eb909e3c1b4ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b3c44bb641f2b42f43fdc32a475536a59dc81f9f0af2e04e8eb909e3c1b4ca6", kill_on_drop: false }`
[INFO] [stdout] 7b3c44bb641f2b42f43fdc32a475536a59dc81f9f0af2e04e8eb909e3c1b4ca6