[INFO] fetching crate mini-builder-rs 0.1.3...
[INFO] checking mini-builder-rs-0.1.3 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate mini-builder-rs 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mini-builder-rs 0.1.3 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mini-builder-rs 0.1.3
[INFO] finished tweaking crates.io crate mini-builder-rs 0.1.3
[INFO] tweaked toml for crates.io crate mini-builder-rs 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate mini-builder-rs 0.1.3 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fsevent v0.4.0
[INFO] [stderr]   Downloaded simple_logger v2.2.0
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded hmap v0.1.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.15
[INFO] [stderr]   Downloaded filetime v0.2.17
[INFO] [stderr]   Downloaded fsevent-sys v2.0.1
[INFO] [stderr]   Downloaded notify v4.0.17
[INFO] [stderr]   Downloaded num_threads v0.1.6
[INFO] [stderr]   Downloaded time v0.3.12
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fb1c6de7992b7b5e113660db538d1d2f42d6fb33186d358d389d4e5974253d2
[INFO] running `Command { std: "docker" "start" "-a" "5fb1c6de7992b7b5e113660db538d1d2f42d6fb33186d358d389d4e5974253d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fb1c6de7992b7b5e113660db538d1d2f42d6fb33186d358d389d4e5974253d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb1c6de7992b7b5e113660db538d1d2f42d6fb33186d358d389d4e5974253d2", kill_on_drop: false }`
[INFO] [stdout] 5fb1c6de7992b7b5e113660db538d1d2f42d6fb33186d358d389d4e5974253d2
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f9045a738c193722720759b91ace67645496ac32bd805c6de30d8cda15ae198
[INFO] running `Command { std: "docker" "start" "-a" "1f9045a738c193722720759b91ace67645496ac32bd805c6de30d8cda15ae198", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking hmap v0.1.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.17
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking time v0.3.12
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking simple_logger v2.2.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking mini-builder-rs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `node::NodeContent`
[INFO] [stdout]  --> src/evaluator/evaluator_builder_error.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     parser::{node::NodeContent, parser_error::ParserError},
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `node::NodeContent`
[INFO] [stdout]  --> src/evaluator/evaluator_builder_error.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     parser::{node::NodeContent, parser_error::ParserError},
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&dyn std::error::Error` instead of cloning the inner type
[INFO] [stdout]   --> src/builder/builder_error.rs:22:34
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Self::IoError(err) => Some(err.clone()),
[INFO] [stdout]    |                                           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/evaluator/mod.rs:354:44
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 list_dependencies_expression(expression.borrow(), dependencies);
[INFO] [stdout]     |                                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Expression<'_>` does not implement `Borrow`, so calling `borrow` on `&Expression<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 354 -                 list_dependencies_expression(expression.borrow(), dependencies);
[INFO] [stdout] 354 +                 list_dependencies_expression(expression, dependencies);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `Expression<'_>`, implement `Clone` for it
[INFO] [stdout]    --> src/parser/expression.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  + #[derive(Clone)]
[INFO] [stdout] 12  | pub enum Expression<'a> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&dyn std::error::Error` instead of cloning the inner type
[INFO] [stdout]   --> src/builder/builder_error.rs:22:34
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Self::IoError(err) => Some(err.clone()),
[INFO] [stdout]    |                                           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/evaluator/mod.rs:354:44
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 list_dependencies_expression(expression.borrow(), dependencies);
[INFO] [stdout]     |                                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Expression<'_>` does not implement `Borrow`, so calling `borrow` on `&Expression<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 354 -                 list_dependencies_expression(expression.borrow(), dependencies);
[INFO] [stdout] 354 +                 list_dependencies_expression(expression, dependencies);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `Expression<'_>`, implement `Clone` for it
[INFO] [stdout]    --> src/parser/expression.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  + #[derive(Clone)]
[INFO] [stdout] 12  | pub enum Expression<'a> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.11s
[INFO] running `Command { std: "docker" "inspect" "1f9045a738c193722720759b91ace67645496ac32bd805c6de30d8cda15ae198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f9045a738c193722720759b91ace67645496ac32bd805c6de30d8cda15ae198", kill_on_drop: false }`
[INFO] [stdout] 1f9045a738c193722720759b91ace67645496ac32bd805c6de30d8cda15ae198