[INFO] fetching crate ger 0.2.0...
[INFO] testing ger-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ger 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ger 0.2.0 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 ger 0.2.0
[INFO] finished tweaking crates.io crate ger 0.2.0
[INFO] tweaked toml for crates.io crate ger 0.2.0 written to /workspace/builds/worker-8/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]  Downloading crates ...
[INFO] [stderr]   Downloaded prettytable-rs v0.6.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7bad2480fd30df66fe5b1dbb5d7c8465e8a7cd5c386d3b9904ed023bb195a0aa
[INFO] running `Command { std: "docker" "start" "-a" "7bad2480fd30df66fe5b1dbb5d7c8465e8a7cd5c386d3b9904ed023bb195a0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bad2480fd30df66fe5b1dbb5d7c8465e8a7cd5c386d3b9904ed023bb195a0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bad2480fd30df66fe5b1dbb5d7c8465e8a7cd5c386d3b9904ed023bb195a0aa", kill_on_drop: false }`
[INFO] [stdout] 7bad2480fd30df66fe5b1dbb5d7c8465e8a7cd5c386d3b9904ed023bb195a0aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 959ca0effc5fd1be0b6e5067faed520b174d7dcab82c9ff13c999edf9f3f6e65
[INFO] running `Command { std: "docker" "start" "-a" "959ca0effc5fd1be0b6e5067faed520b174d7dcab82c9ff13c999edf9f3f6e65", kill_on_drop: false }`
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling prettytable-rs v0.6.7
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling ger v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use] extern crate serde_json;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Attr`, `color`
[INFO] [stdout]  --> src/print.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use term::{Attr, color};
[INFO] [stdout]   |            ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prettytable`
[INFO] [stdout]  --> src/print.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use prettytable;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prettytable::cell::Cell`
[INFO] [stdout]  --> src/print.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use prettytable::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Green`, `Red`
[INFO] [stdout]  --> src/print.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ansi_term::Colour::{Red, Green};
[INFO] [stdout]   |                         ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/cmd.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fn matches(&self, &[String]) -> bool;
[INFO] [stdout]   |                       ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[String]`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/cmd.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn execute(&self, &[String]);
[INFO] [stdout]    |                       ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[String]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cmd.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub cmd: Box<Cmd>,
[INFO] [stdout]    |                  ^^^ help: use `dyn`: `dyn Cmd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.86s
[INFO] running `Command { std: "docker" "inspect" "959ca0effc5fd1be0b6e5067faed520b174d7dcab82c9ff13c999edf9f3f6e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "959ca0effc5fd1be0b6e5067faed520b174d7dcab82c9ff13c999edf9f3f6e65", kill_on_drop: false }`
[INFO] [stdout] 959ca0effc5fd1be0b6e5067faed520b174d7dcab82c9ff13c999edf9f3f6e65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e7753706d0cca8f1e6b4541264a5dbcd34061ea1847bd0cf0fbeb9b0fe2b9946
[INFO] running `Command { std: "docker" "start" "-a" "e7753706d0cca8f1e6b4541264a5dbcd34061ea1847bd0cf0fbeb9b0fe2b9946", kill_on_drop: false }`
[INFO] [stderr]    Compiling ger v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use] extern crate serde_json;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Attr`, `color`
[INFO] [stdout]  --> src/print.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use term::{Attr, color};
[INFO] [stdout]   |            ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prettytable`
[INFO] [stdout]  --> src/print.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use prettytable;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prettytable::cell::Cell`
[INFO] [stdout]  --> src/print.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use prettytable::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Green`, `Red`
[INFO] [stdout]  --> src/print.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ansi_term::Colour::{Red, Green};
[INFO] [stdout]   |                         ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/cmd.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fn matches(&self, &[String]) -> bool;
[INFO] [stdout]   |                       ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[String]`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/cmd.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn execute(&self, &[String]);
[INFO] [stdout]    |                       ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[String]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cmd.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub cmd: Box<Cmd>,
[INFO] [stdout]    |                  ^^^ help: use `dyn`: `dyn Cmd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "e7753706d0cca8f1e6b4541264a5dbcd34061ea1847bd0cf0fbeb9b0fe2b9946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7753706d0cca8f1e6b4541264a5dbcd34061ea1847bd0cf0fbeb9b0fe2b9946", kill_on_drop: false }`
[INFO] [stdout] e7753706d0cca8f1e6b4541264a5dbcd34061ea1847bd0cf0fbeb9b0fe2b9946
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7013e5e23e687260f6eb3b7bedcd46d930a37c4adee4cda579409d9ed7bbc1c5
[INFO] running `Command { std: "docker" "start" "-a" "7013e5e23e687260f6eb3b7bedcd46d930a37c4adee4cda579409d9ed7bbc1c5", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use] extern crate serde_json;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Attr`, `color`
[INFO] [stderr]  --> src/print.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use term::{Attr, color};
[INFO] [stderr]   |            ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `prettytable`
[INFO] [stderr]  --> src/print.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use prettytable;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `prettytable::cell::Cell`
[INFO] [stderr]  --> src/print.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use prettytable::cell::Cell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Green`, `Red`
[INFO] [stderr]  --> src/print.rs:6:25
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ansi_term::Colour::{Red, Green};
[INFO] [stderr]   |                         ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]  --> src/cmd.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 |     fn matches(&self, &[String]) -> bool;
[INFO] [stderr]   |                       ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[String]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/cmd.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn execute(&self, &[String]);
[INFO] [stderr]    |                       ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[String]`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cmd.rs:52:18
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub cmd: Box<Cmd>,
[INFO] [stderr]    |                  ^^^ help: use `dyn`: `dyn Cmd`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `ger` (bin "ger" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ger-cf19239f851a77b1)
[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" "7013e5e23e687260f6eb3b7bedcd46d930a37c4adee4cda579409d9ed7bbc1c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7013e5e23e687260f6eb3b7bedcd46d930a37c4adee4cda579409d9ed7bbc1c5", kill_on_drop: false }`
[INFO] [stdout] 7013e5e23e687260f6eb3b7bedcd46d930a37c4adee4cda579409d9ed7bbc1c5