[INFO] fetching crate wide-str-impl 0.1.0...
[INFO] testing wide-str-impl-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate wide-str-impl 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate wide-str-impl 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wide-str-impl 0.1.0
[INFO] finished tweaking crates.io crate wide-str-impl 0.1.0
[INFO] tweaked toml for crates.io crate wide-str-impl 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e358299ffef39b289ab9ceeec777940bc32d9028982c8247816b2329132e912
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1e358299ffef39b289ab9ceeec777940bc32d9028982c8247816b2329132e912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e358299ffef39b289ab9ceeec777940bc32d9028982c8247816b2329132e912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e358299ffef39b289ab9ceeec777940bc32d9028982c8247816b2329132e912", kill_on_drop: false }`
[INFO] [stdout] 1e358299ffef39b289ab9ceeec777940bc32d9028982c8247816b2329132e912
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2147a7d87c4578db3c9f4ded4eead2ac60bf1ccdbeecf8ad19c58aeb3041551d
[INFO] running `Command { std: "docker" "start" "-a" "2147a7d87c4578db3c9f4ded4eead2ac60bf1ccdbeecf8ad19c58aeb3041551d", kill_on_drop: false }`
[INFO] [stderr]    Compiling wide-str-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]   --> src/lib.rs:38:60
[INFO] [stdout]    |
[INFO] [stdout] 38 | ...                   panic!("Syntax Error: Missing `{` to begin the unicode escape");
[INFO] [stdout]    |                                                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 38 |                             panic!("{}", "Syntax Error: Missing `{` to begin the unicode escape");
[INFO] [stdout]    |                                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "2147a7d87c4578db3c9f4ded4eead2ac60bf1ccdbeecf8ad19c58aeb3041551d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2147a7d87c4578db3c9f4ded4eead2ac60bf1ccdbeecf8ad19c58aeb3041551d", kill_on_drop: false }`
[INFO] [stdout] 2147a7d87c4578db3c9f4ded4eead2ac60bf1ccdbeecf8ad19c58aeb3041551d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1ea7fdebf3678aad070c6a7bd220453270bd8f61b4b6632a538f6407009c06b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b1ea7fdebf3678aad070c6a7bd220453270bd8f61b4b6632a538f6407009c06b", kill_on_drop: false }`
[INFO] [stderr]    Compiling wide-str-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]   --> src/lib.rs:38:60
[INFO] [stdout]    |
[INFO] [stdout] 38 | ...                   panic!("Syntax Error: Missing `{` to begin the unicode escape");
[INFO] [stdout]    |                                                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 38 |                             panic!("{}", "Syntax Error: Missing `{` to begin the unicode escape");
[INFO] [stdout]    |                                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]   --> src/lib.rs:38:60
[INFO] [stdout]    |
[INFO] [stdout] 38 | ...                   panic!("Syntax Error: Missing `{` to begin the unicode escape");
[INFO] [stdout]    |                                                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 38 |                             panic!("{}", "Syntax Error: Missing `{` to begin the unicode escape");
[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 0.44s
[INFO] running `Command { std: "docker" "inspect" "b1ea7fdebf3678aad070c6a7bd220453270bd8f61b4b6632a538f6407009c06b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1ea7fdebf3678aad070c6a7bd220453270bd8f61b4b6632a538f6407009c06b", kill_on_drop: false }`
[INFO] [stdout] b1ea7fdebf3678aad070c6a7bd220453270bd8f61b4b6632a538f6407009c06b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f9705de0b9f0f7853c9a7d2b7fc852935cfc2020a5d01a957109c8667066cc1
[INFO] running `Command { std: "docker" "start" "-a" "2f9705de0b9f0f7853c9a7d2b7fc852935cfc2020a5d01a957109c8667066cc1", kill_on_drop: false }`
[INFO] [stderr] warning: panic message contains a brace
[INFO] [stderr]   --> src/lib.rs:38:60
[INFO] [stderr]    |
[INFO] [stderr] 38 | ...                   panic!("Syntax Error: Missing `{` to begin the unicode escape");
[INFO] [stderr]    |                                                      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stderr] help: add a "{}" format string to use the message literally
[INFO] [stderr]    |
[INFO] [stderr] 38 |                             panic!("{}", "Syntax Error: Missing `{` to begin the unicode escape");
[INFO] [stderr]    |                                    +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `wide-str-impl` (lib) generated 1 warning
[INFO] [stderr] warning: `wide-str-impl` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wide_str_impl-57a02b66acb6c0ef)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests wide-str-impl
[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] [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" "2f9705de0b9f0f7853c9a7d2b7fc852935cfc2020a5d01a957109c8667066cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f9705de0b9f0f7853c9a7d2b7fc852935cfc2020a5d01a957109c8667066cc1", kill_on_drop: false }`
[INFO] [stdout] 2f9705de0b9f0f7853c9a7d2b7fc852935cfc2020a5d01a957109c8667066cc1