[INFO] cloning repository https://github.com/rexwu1104/language-research
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rexwu1104/language-research" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frexwu1104%2Flanguage-research", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frexwu1104%2Flanguage-research'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72ff48947184ffc79feb12c29d6f4ae1fb746f68
[INFO] checking rexwu1104/language-research against master#e23ae72ac7a393961886ea62df065ebb6def7d51 for pr-126571
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frexwu1104%2Flanguage-research" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rexwu1104/language-research on toolchain e23ae72ac7a393961886ea62df065ebb6def7d51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rexwu1104/language-research
[INFO] finished tweaking git repo https://github.com/rexwu1104/language-research
[INFO] tweaked toml for git repo https://github.com/rexwu1104/language-research written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rexwu1104/language-research already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39a5d8ba96fd4880e1dd99d5efbb88b43608b30dab7a5dc99692171fe5ac7fe6
[INFO] running `Command { std: "docker" "start" "-a" "39a5d8ba96fd4880e1dd99d5efbb88b43608b30dab7a5dc99692171fe5ac7fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39a5d8ba96fd4880e1dd99d5efbb88b43608b30dab7a5dc99692171fe5ac7fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a5d8ba96fd4880e1dd99d5efbb88b43608b30dab7a5dc99692171fe5ac7fe6", kill_on_drop: false }`
[INFO] [stdout] 39a5d8ba96fd4880e1dd99d5efbb88b43608b30dab7a5dc99692171fe5ac7fe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80044690c3baf6c3a69013b631c7438acd7b7695edddd320c47f50dcc199d80b
[INFO] running `Command { std: "docker" "start" "-a" "80044690c3baf6c3a69013b631c7438acd7b7695edddd320c47f50dcc199d80b", kill_on_drop: false }`
[INFO] [stderr]     Checking language-research v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]    --> src/parser.rs:217:29
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn generate_define_function(tokens: Vec<Token>, states: &mut Vec<ParseState>) -> Statement {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]    --> src/parser.rs:217:29
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn generate_define_function(tokens: Vec<Token>, states: &mut Vec<ParseState>) -> Statement {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `states`
[INFO] [stdout]    --> src/parser.rs:217:49
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn generate_define_function(tokens: Vec<Token>, states: &mut Vec<ParseState>) -> Statement {
[INFO] [stdout]     |                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_states`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `states`
[INFO] [stdout]    --> src/parser.rs:217:49
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn generate_define_function(tokens: Vec<Token>, states: &mut Vec<ParseState>) -> Statement {
[INFO] [stdout]     |                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_states`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line` and `position` are never read
[INFO] [stdout]  --> src/token.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Token {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 3 |     pub raw: String,
[INFO] [stdout] 4 |     pub line: usize,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 5 |     pub position: (usize, usize),
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/tree.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ImportPackage(PackagePath),
[INFO] [stdout]   |     ------------- ^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ImportPackage(()),
[INFO] [stdout]   |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]  --> src/tree.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     DefineType(GenericTemplate, TypeName, TypeBlock),
[INFO] [stdout]   |     ---------- ^^^^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 4 |     DefineType((), (), ()),
[INFO] [stdout]   |                ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DefineFunction` is never constructed
[INFO] [stdout]  --> src/tree.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Statement {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 5 |     DefineFunction(GenericTemplate, FunctionName, FunctionParamters, FunctionReturnType, FunctionTypeSetting, FunctionBlock)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Statement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/tree.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct PackagePath(pub Vec<Identifier>);
[INFO] [stdout]   |            ----------- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PackagePath` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct PackagePath(());
[INFO] [stdout]   |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line` and `position` are never read
[INFO] [stdout]  --> src/token.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Token {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 3 |     pub raw: String,
[INFO] [stdout] 4 |     pub line: usize,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 5 |     pub position: (usize, usize),
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tree.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct GenericTemplate(pub Vec<Identifier>);
[INFO] [stdout]    |            --------------- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GenericTemplate` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct GenericTemplate(());
[INFO] [stdout]    |                            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/tree.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ImportPackage(PackagePath),
[INFO] [stdout]   |     ------------- ^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ImportPackage(()),
[INFO] [stdout]   |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tree.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct TypeBlock(pub Vec<TypeCloumn>);
[INFO] [stdout]    |            --------- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeBlock` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct TypeBlock(());
[INFO] [stdout]    |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/tree.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct TypeCloumn(pub Identifier, pub Identifier);
[INFO] [stdout]    |            ---------- ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeCloumn` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct TypeCloumn((), ());
[INFO] [stdout]    |                       ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]  --> src/tree.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     DefineType(GenericTemplate, TypeName, TypeBlock),
[INFO] [stdout]   |     ---------- ^^^^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 4 |     DefineType((), (), ()),
[INFO] [stdout]   |                ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `language-research` (bin "language-research"); 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `language-research` (bin "language-research" test); 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "80044690c3baf6c3a69013b631c7438acd7b7695edddd320c47f50dcc199d80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80044690c3baf6c3a69013b631c7438acd7b7695edddd320c47f50dcc199d80b", kill_on_drop: false }`
[INFO] [stdout] 80044690c3baf6c3a69013b631c7438acd7b7695edddd320c47f50dcc199d80b
[INFO] checking rexwu1104/language-research against try#397f8958d101b259f6baaf92d107d770c95c3ce0 for pr-126571
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frexwu1104%2Flanguage-research" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rexwu1104/language-research on toolchain 397f8958d101b259f6baaf92d107d770c95c3ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rexwu1104/language-research
[INFO] finished tweaking git repo https://github.com/rexwu1104/language-research
[INFO] tweaked toml for git repo https://github.com/rexwu1104/language-research written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rexwu1104/language-research already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0df6135a9fd22d8e8356a98eb96359ad1b56f2ead728fcfa7bc94c38a7d95b10
[INFO] running `Command { std: "docker" "start" "-a" "0df6135a9fd22d8e8356a98eb96359ad1b56f2ead728fcfa7bc94c38a7d95b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0df6135a9fd22d8e8356a98eb96359ad1b56f2ead728fcfa7bc94c38a7d95b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df6135a9fd22d8e8356a98eb96359ad1b56f2ead728fcfa7bc94c38a7d95b10", kill_on_drop: false }`
[INFO] [stdout] 0df6135a9fd22d8e8356a98eb96359ad1b56f2ead728fcfa7bc94c38a7d95b10
[INFO] checking rexwu1104/language-research against try#397f8958d101b259f6baaf92d107d770c95c3ce0 for pr-126571
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frexwu1104%2Flanguage-research" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rexwu1104/language-research on toolchain 397f8958d101b259f6baaf92d107d770c95c3ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rexwu1104/language-research
[INFO] finished tweaking git repo https://github.com/rexwu1104/language-research
[INFO] tweaked toml for git repo https://github.com/rexwu1104/language-research written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rexwu1104/language-research already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f51d339307f75eefd219123de9c74af4faabd779c22901c18a75798ade0af658
[INFO] running `Command { std: "docker" "start" "-a" "f51d339307f75eefd219123de9c74af4faabd779c22901c18a75798ade0af658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f51d339307f75eefd219123de9c74af4faabd779c22901c18a75798ade0af658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f51d339307f75eefd219123de9c74af4faabd779c22901c18a75798ade0af658", kill_on_drop: false }`
[INFO] [stdout] f51d339307f75eefd219123de9c74af4faabd779c22901c18a75798ade0af658
[INFO] checking rexwu1104/language-research against try#397f8958d101b259f6baaf92d107d770c95c3ce0 for pr-126571
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frexwu1104%2Flanguage-research" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rexwu1104/language-research on toolchain 397f8958d101b259f6baaf92d107d770c95c3ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rexwu1104/language-research
[INFO] finished tweaking git repo https://github.com/rexwu1104/language-research
[INFO] tweaked toml for git repo https://github.com/rexwu1104/language-research written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rexwu1104/language-research already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbfdfb8dd8036a148d0e48b234202e84cafca1565ab708caf318574d120ca83b
[INFO] running `Command { std: "docker" "start" "-a" "cbfdfb8dd8036a148d0e48b234202e84cafca1565ab708caf318574d120ca83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbfdfb8dd8036a148d0e48b234202e84cafca1565ab708caf318574d120ca83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbfdfb8dd8036a148d0e48b234202e84cafca1565ab708caf318574d120ca83b", kill_on_drop: false }`
[INFO] [stdout] cbfdfb8dd8036a148d0e48b234202e84cafca1565ab708caf318574d120ca83b
[INFO] checking rexwu1104/language-research against try#397f8958d101b259f6baaf92d107d770c95c3ce0 for pr-126571
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frexwu1104%2Flanguage-research" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rexwu1104/language-research on toolchain 397f8958d101b259f6baaf92d107d770c95c3ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rexwu1104/language-research
[INFO] finished tweaking git repo https://github.com/rexwu1104/language-research
[INFO] tweaked toml for git repo https://github.com/rexwu1104/language-research written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rexwu1104/language-research already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0481f40887b388de0de2caa872d6aeee9d3e7055c436dfa8260a11b108f14fbf
[INFO] running `Command { std: "docker" "start" "-a" "0481f40887b388de0de2caa872d6aeee9d3e7055c436dfa8260a11b108f14fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0481f40887b388de0de2caa872d6aeee9d3e7055c436dfa8260a11b108f14fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0481f40887b388de0de2caa872d6aeee9d3e7055c436dfa8260a11b108f14fbf", kill_on_drop: false }`
[INFO] [stdout] 0481f40887b388de0de2caa872d6aeee9d3e7055c436dfa8260a11b108f14fbf
[INFO] checking rexwu1104/language-research against try#397f8958d101b259f6baaf92d107d770c95c3ce0 for pr-126571
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frexwu1104%2Flanguage-research" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rexwu1104/language-research on toolchain 397f8958d101b259f6baaf92d107d770c95c3ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rexwu1104/language-research
[INFO] finished tweaking git repo https://github.com/rexwu1104/language-research
[INFO] tweaked toml for git repo https://github.com/rexwu1104/language-research written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rexwu1104/language-research already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c202aa4020bd10c10b52e0d53c3b89dce3f20c31f0ac3f210b376b1595a8e93
[INFO] running `Command { std: "docker" "start" "-a" "4c202aa4020bd10c10b52e0d53c3b89dce3f20c31f0ac3f210b376b1595a8e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c202aa4020bd10c10b52e0d53c3b89dce3f20c31f0ac3f210b376b1595a8e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c202aa4020bd10c10b52e0d53c3b89dce3f20c31f0ac3f210b376b1595a8e93", kill_on_drop: false }`
[INFO] [stdout] 4c202aa4020bd10c10b52e0d53c3b89dce3f20c31f0ac3f210b376b1595a8e93
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 1
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.