[INFO] fetching crate grmr 0.2.0...
[INFO] testing grmr-0.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate grmr 0.2.0 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate grmr 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grmr 0.2.0
[INFO] finished tweaking crates.io crate grmr 0.2.0
[INFO] tweaked toml for crates.io crate grmr 0.2.0 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95d92dd6e817301b2ea82fa2774b83f90fad706bc040980ce73b82e020523669
[INFO] running `Command { std: "docker" "start" "-a" "95d92dd6e817301b2ea82fa2774b83f90fad706bc040980ce73b82e020523669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95d92dd6e817301b2ea82fa2774b83f90fad706bc040980ce73b82e020523669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95d92dd6e817301b2ea82fa2774b83f90fad706bc040980ce73b82e020523669", kill_on_drop: false }`
[INFO] [stdout] 95d92dd6e817301b2ea82fa2774b83f90fad706bc040980ce73b82e020523669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53690cb6a36e9063ddb3e1ad142381e5c4fa6ac947d1fa2e840fcb361e1355c3
[INFO] running `Command { std: "docker" "start" "-a" "53690cb6a36e9063ddb3e1ad142381e5c4fa6ac947d1fa2e840fcb361e1355c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling grmr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/checkers/checker.rs:65:40
[INFO] [stdout]    |
[INFO] [stdout] 65 |     checkers: HashMap<CheckerType, Box<Checker>>,
[INFO] [stdout]    |                                        ^^^^^^^ help: use `dyn`: `dyn Checker`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/checkers/checker.rs:70:52
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut checkers: HashMap<CheckerType, Box<Checker>> = HashMap::new();
[INFO] [stdout]    |                                                    ^^^^^^^ help: use `dyn`: `dyn Checker`
[INFO] [stdout]    |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn main() -> std::result::Result<(), Box<error::Error>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let mut file = File::open(path_cleaned)?;
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.72s
[INFO] running `Command { std: "docker" "inspect" "53690cb6a36e9063ddb3e1ad142381e5c4fa6ac947d1fa2e840fcb361e1355c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53690cb6a36e9063ddb3e1ad142381e5c4fa6ac947d1fa2e840fcb361e1355c3", kill_on_drop: false }`
[INFO] [stdout] 53690cb6a36e9063ddb3e1ad142381e5c4fa6ac947d1fa2e840fcb361e1355c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d5d3d6d3bd07e1eb066fdaac5eddf6f16be240ea30aff30dbe837f38e0edf1f
[INFO] running `Command { std: "docker" "start" "-a" "3d5d3d6d3bd07e1eb066fdaac5eddf6f16be240ea30aff30dbe837f38e0edf1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling grmr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/checkers/checker.rs:65:40
[INFO] [stdout]    |
[INFO] [stdout] 65 |     checkers: HashMap<CheckerType, Box<Checker>>,
[INFO] [stdout]    |                                        ^^^^^^^ help: use `dyn`: `dyn Checker`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/checkers/checker.rs:70:52
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut checkers: HashMap<CheckerType, Box<Checker>> = HashMap::new();
[INFO] [stdout]    |                                                    ^^^^^^^ help: use `dyn`: `dyn Checker`
[INFO] [stdout]    |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn main() -> std::result::Result<(), Box<error::Error>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let mut file = File::open(path_cleaned)?;
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "3d5d3d6d3bd07e1eb066fdaac5eddf6f16be240ea30aff30dbe837f38e0edf1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d5d3d6d3bd07e1eb066fdaac5eddf6f16be240ea30aff30dbe837f38e0edf1f", kill_on_drop: false }`
[INFO] [stdout] 3d5d3d6d3bd07e1eb066fdaac5eddf6f16be240ea30aff30dbe837f38e0edf1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 773a10800c20a9c9e0f2dc9d1f61b35e28cd9290b64ef3e3ab89d21c882b06fc
[INFO] running `Command { std: "docker" "start" "-a" "773a10800c20a9c9e0f2dc9d1f61b35e28cd9290b64ef3e3ab89d21c882b06fc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/checkers/checker.rs:65:40
[INFO] [stderr]    |
[INFO] [stderr] 65 |     checkers: HashMap<CheckerType, Box<Checker>>,
[INFO] [stderr]    |                                        ^^^^^^^ help: use `dyn`: `dyn Checker`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/checkers/checker.rs:70:52
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let mut checkers: HashMap<CheckerType, Box<Checker>> = HashMap::new();
[INFO] [stdout] 
[INFO] [stderr]    |                                                    ^^^^^^^ help: use `dyn`: `dyn Checker`
[INFO] [stdout] running 2 tests
[INFO] [stderr]    |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:13:42
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn main() -> std::result::Result<(), Box<error::Error>> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let mut file = File::open(path_cleaned)?;
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `grmr` (bin "grmr" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grmr-ea33440fae7eb96c)
[INFO] [stdout] test checkers::dups::tests::simple_word_annotation ... ok
[INFO] [stdout] test checkers::dups::tests::word_annotation_empty_words ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "773a10800c20a9c9e0f2dc9d1f61b35e28cd9290b64ef3e3ab89d21c882b06fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "773a10800c20a9c9e0f2dc9d1f61b35e28cd9290b64ef3e3ab89d21c882b06fc", kill_on_drop: false }`
[INFO] [stdout] 773a10800c20a9c9e0f2dc9d1f61b35e28cd9290b64ef3e3ab89d21c882b06fc
