[INFO] fetching crate plugin-system 0.1.1...
[INFO] testing plugin-system-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate plugin-system 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate plugin-system 0.1.1
[INFO] finished tweaking crates.io crate plugin-system 0.1.1
[INFO] tweaked toml for crates.io crate plugin-system 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate plugin-system 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.103)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.41)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.108)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62106618ed13b5a98e880613e0ae841abb3a2a0b6e39026fd7c5c5c02003ffc5
[INFO] running `Command { std: "docker" "start" "-a" "62106618ed13b5a98e880613e0ae841abb3a2a0b6e39026fd7c5c5c02003ffc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62106618ed13b5a98e880613e0ae841abb3a2a0b6e39026fd7c5c5c02003ffc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62106618ed13b5a98e880613e0ae841abb3a2a0b6e39026fd7c5c5c02003ffc5", kill_on_drop: false }`
[INFO] [stdout] 62106618ed13b5a98e880613e0ae841abb3a2a0b6e39026fd7c5c5c02003ffc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f15001c911495df3969c8f1f8b9c1b518ae6e9ec9f600af559cff50dabb083de
[INFO] running `Command { std: "docker" "start" "-a" "f15001c911495df3969c8f1f8b9c1b518ae6e9ec9f600af559cff50dabb083de", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling plugin-system v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:31:53
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(env::VarError::NotUnicode(s)) => panic!(env::VarError::NotUnicode(s)),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(env::VarError::NotUnicode(s)) => panic!("{}", env::VarError::NotUnicode(s)),
[INFO] [stdout]    |                                                     +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 31 -         Err(env::VarError::NotUnicode(s)) => panic!(env::VarError::NotUnicode(s)),
[INFO] [stdout] 31 +         Err(env::VarError::NotUnicode(s)) => std::panic::panic_any(env::VarError::NotUnicode(s)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:224:21
[INFO] [stdout]     |
[INFO] [stdout] 224 |         _ => panic!(error),
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 224 |         _ => panic!("{}", error),
[INFO] [stdout]     |                     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.25s
[INFO] running `Command { std: "docker" "inspect" "f15001c911495df3969c8f1f8b9c1b518ae6e9ec9f600af559cff50dabb083de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15001c911495df3969c8f1f8b9c1b518ae6e9ec9f600af559cff50dabb083de", kill_on_drop: false }`
[INFO] [stdout] f15001c911495df3969c8f1f8b9c1b518ae6e9ec9f600af559cff50dabb083de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59983498d6e1ba580cafb504f04c83221dec2e2c5406efd12119350908030cfc
[INFO] running `Command { std: "docker" "start" "-a" "59983498d6e1ba580cafb504f04c83221dec2e2c5406efd12119350908030cfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling plugin-system v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:31:53
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(env::VarError::NotUnicode(s)) => panic!(env::VarError::NotUnicode(s)),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(env::VarError::NotUnicode(s)) => panic!("{}", env::VarError::NotUnicode(s)),
[INFO] [stdout]    |                                                     +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 31 -         Err(env::VarError::NotUnicode(s)) => panic!(env::VarError::NotUnicode(s)),
[INFO] [stdout] 31 +         Err(env::VarError::NotUnicode(s)) => std::panic::panic_any(env::VarError::NotUnicode(s)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:224:21
[INFO] [stdout]     |
[INFO] [stdout] 224 |         _ => panic!(error),
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 224 |         _ => panic!("{}", error),
[INFO] [stdout]     |                     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:31:53
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(env::VarError::NotUnicode(s)) => panic!(env::VarError::NotUnicode(s)),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(env::VarError::NotUnicode(s)) => panic!("{}", env::VarError::NotUnicode(s)),
[INFO] [stdout]    |                                                     +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 31 -         Err(env::VarError::NotUnicode(s)) => panic!(env::VarError::NotUnicode(s)),
[INFO] [stdout] 31 +         Err(env::VarError::NotUnicode(s)) => std::panic::panic_any(env::VarError::NotUnicode(s)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:224:21
[INFO] [stdout]     |
[INFO] [stdout] 224 |         _ => panic!(error),
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 224 |         _ => panic!("{}", error),
[INFO] [stdout]     |                     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "59983498d6e1ba580cafb504f04c83221dec2e2c5406efd12119350908030cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59983498d6e1ba580cafb504f04c83221dec2e2c5406efd12119350908030cfc", kill_on_drop: false }`
[INFO] [stdout] 59983498d6e1ba580cafb504f04c83221dec2e2c5406efd12119350908030cfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c27b6d541fe9b15621ef479132e7629857a364d6fda92b76a8696021b1863e28
[INFO] running `Command { std: "docker" "start" "-a" "c27b6d541fe9b15621ef479132e7629857a364d6fda92b76a8696021b1863e28", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/lib.rs:31:53
[INFO] [stderr]    |
[INFO] [stderr] 31 |         Err(env::VarError::NotUnicode(s)) => panic!(env::VarError::NotUnicode(s)),
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]    |
[INFO] [stderr] 31 |         Err(env::VarError::NotUnicode(s)) => panic!("{}", env::VarError::NotUnicode(s)),
[INFO] [stderr]    |                                                     +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 31 -         Err(env::VarError::NotUnicode(s)) => panic!(env::VarError::NotUnicode(s)),
[INFO] [stderr] 31 +         Err(env::VarError::NotUnicode(s)) => std::panic::panic_any(env::VarError::NotUnicode(s)),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:224:21
[INFO] [stderr]     |
[INFO] [stderr] 224 |         _ => panic!(error),
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 224 |         _ => panic!("{}", error),
[INFO] [stderr]     |                     +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `plugin-system` (lib) generated 2 warnings (run `cargo fix --lib -p plugin-system` to apply 2 suggestions)
[INFO] [stderr] warning: `plugin-system` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/plugin_system-15a1a09174e14950)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests plugin_system
[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] [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" "c27b6d541fe9b15621ef479132e7629857a364d6fda92b76a8696021b1863e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c27b6d541fe9b15621ef479132e7629857a364d6fda92b76a8696021b1863e28", kill_on_drop: false }`
[INFO] [stdout] c27b6d541fe9b15621ef479132e7629857a364d6fda92b76a8696021b1863e28
