[INFO] cloning repository https://github.com/vluzko/Grace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vluzko/Grace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvluzko%2FGrace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvluzko%2FGrace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ccdbb615d3bc1f1857b545387d43c1f1dd1f9a4
[INFO] checking vluzko/Grace against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvluzko%2FGrace" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vluzko/Grace on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vluzko/Grace
[INFO] finished tweaking git repo https://github.com/vluzko/Grace
[INFO] tweaked toml for git repo https://github.com/vluzko/Grace written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xorshift v0.3.0
[INFO] [stderr]   Downloaded rusty-fork v0.3.0
[INFO] [stderr]   Downloaded proptest v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02ff8404d6ad0752e8fc72cfe460b40dcd0b13e26de1500632e47e7ea6e7242c
[INFO] running `Command { std: "docker" "start" "-a" "02ff8404d6ad0752e8fc72cfe460b40dcd0b13e26de1500632e47e7ea6e7242c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02ff8404d6ad0752e8fc72cfe460b40dcd0b13e26de1500632e47e7ea6e7242c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ff8404d6ad0752e8fc72cfe460b40dcd0b13e26de1500632e47e7ea6e7242c", kill_on_drop: false }`
[INFO] [stdout] 02ff8404d6ad0752e8fc72cfe460b40dcd0b13e26de1500632e47e7ea6e7242c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a40c9d2cf28271df9a5133f7bbc1957e83ebb6c138de6876391199d6994947c
[INFO] running `Command { std: "docker" "start" "-a" "0a40c9d2cf28271df9a5133f7bbc1957e83ebb6c138de6876391199d6994947c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking futures-util v0.3.15
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling cached_proc_macro v0.6.0
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking cached v0.23.0
[INFO] [stderr]     Checking grace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/parser.rs:90:6
[INFO] [stdout]    |
[INFO] [stdout] 90 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Lt_s` should have an upper camel case name
[INFO] [stdout]   --> src/llr.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     Lt_s,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `LtS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Gt_s` should have an upper camel case name
[INFO] [stdout]   --> src/llr.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     Gt_s,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `GtS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Le_s` should have an upper camel case name
[INFO] [stdout]   --> src/llr.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     Le_s,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `LeS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ge_s` should have an upper camel case name
[INFO] [stdout]   --> src/llr.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     Ge_s,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `GeS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/type_checking/refinements.rs:76:35
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn construct_condition(&self, &Context) -> (HashSet<Identifier>, String);
[INFO] [stdout]    |                                   ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/parser.rs:90:6
[INFO] [stdout]    |
[INFO] [stdout] 90 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Lt_s` should have an upper camel case name
[INFO] [stdout]   --> src/llr.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     Lt_s,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `LtS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Gt_s` should have an upper camel case name
[INFO] [stdout]   --> src/llr.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     Gt_s,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `GtS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Le_s` should have an upper camel case name
[INFO] [stdout]   --> src/llr.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     Le_s,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `LeS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ge_s` should have an upper camel case name
[INFO] [stdout]   --> src/llr.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     Ge_s,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `GeS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/type_checking/refinements.rs:76:35
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn construct_condition(&self, &Context) -> (HashSet<Identifier>, String);
[INFO] [stdout]    |                                   ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/llr.rs:670:17
[INFO] [stdout]     |
[INFO] [stdout] 670 |                 x => panic!("Display not implemented for WASMOperator: {:?}", x)
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/llr.rs:670:17
[INFO] [stdout]     |
[INFO] [stdout] 670 |                 x => panic!("Display not implemented for WASMOperator: {:?}", x)
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.09s
[INFO] running `Command { std: "docker" "inspect" "0a40c9d2cf28271df9a5133f7bbc1957e83ebb6c138de6876391199d6994947c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a40c9d2cf28271df9a5133f7bbc1957e83ebb6c138de6876391199d6994947c", kill_on_drop: false }`
[INFO] [stdout] 0a40c9d2cf28271df9a5133f7bbc1957e83ebb6c138de6876391199d6994947c