[INFO] fetching crate mask 0.11.4...
[INFO] checking mask-0.11.4 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate mask 0.11.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate mask 0.11.4 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mask 0.11.4
[INFO] finished tweaking crates.io crate mask 0.11.4
[INFO] tweaked toml for crates.io crate mask 0.11.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate mask 0.11.4 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.125
[INFO] [stderr]   Downloaded serde_derive v1.0.125
[INFO] [stderr]   Downloaded predicates v1.0.7
[INFO] [stderr]   Downloaded syn v1.0.69
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.3
[INFO] [stderr]   Downloaded assert_cmd v1.0.3
[INFO] [stderr]   Downloaded regex-syntax v0.6.23
[INFO] [stderr]   Downloaded bstr v0.2.15
[INFO] [stderr]   Downloaded libc v0.2.93
[INFO] [stderr]   Downloaded mask-parser v0.2.1
[INFO] [stderr]   Downloaded assert_fs v1.0.1
[INFO] [stderr]   Downloaded pulldown-cmark v0.5.3
[INFO] [stderr]   Downloaded regex v1.4.5
[INFO] [stderr]   Downloaded ignore v0.4.17
[INFO] [stderr]   Downloaded redox_syscall v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c20c783f06db5fbc223194d8b5a4368d3b46b10cfa4ecfa6e8046c29ccae6dd9
[INFO] running `Command { std: "docker" "start" "-a" "c20c783f06db5fbc223194d8b5a4368d3b46b10cfa4ecfa6e8046c29ccae6dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c20c783f06db5fbc223194d8b5a4368d3b46b10cfa4ecfa6e8046c29ccae6dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c20c783f06db5fbc223194d8b5a4368d3b46b10cfa4ecfa6e8046c29ccae6dd9", kill_on_drop: false }`
[INFO] [stdout] c20c783f06db5fbc223194d8b5a4368d3b46b10cfa4ecfa6e8046c29ccae6dd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 265d4c6094b08ca40cb6a6c40bc1932839004563f1c87eafb06ed1cafc7751b8
[INFO] running `Command { std: "docker" "start" "-a" "265d4c6094b08ca40cb6a6c40bc1932839004563f1c87eafb06ed1cafc7751b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking assert_cmd v1.0.3
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking assert_fs v1.0.1
[INFO] [stderr]     Checking mask-parser v0.2.1
[INFO] [stderr]     Checking mask v0.11.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `cli` is never used
[INFO] [stdout]  --> tests/common/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait MaskCommandExt {
[INFO] [stdout]   |           -------------- method in this trait
[INFO] [stdout] 7 |     fn command(&mut self, c: &'static str) -> &mut Command;
[INFO] [stdout] 8 |     fn cli(&mut self, arguments: &'static str) -> &mut Command;
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cli` is never used
[INFO] [stdout]  --> tests/common/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait MaskCommandExt {
[INFO] [stdout]   |           -------------- method in this trait
[INFO] [stdout] 7 |     fn command(&mut self, c: &'static str) -> &mut Command;
[INFO] [stdout] 8 |     fn cli(&mut self, arguments: &'static str) -> &mut Command;
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cli` is never used
[INFO] [stdout]  --> tests/common/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait MaskCommandExt {
[INFO] [stdout]   |           -------------- method in this trait
[INFO] [stdout] 7 |     fn command(&mut self, c: &'static str) -> &mut Command;
[INFO] [stdout] 8 |     fn cli(&mut self, arguments: &'static str) -> &mut Command;
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `command` and `cli` are never used
[INFO] [stdout]  --> tests/common/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait MaskCommandExt {
[INFO] [stdout]   |           -------------- methods in this trait
[INFO] [stdout] 7 |     fn command(&mut self, c: &'static str) -> &mut Command;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 8 |     fn cli(&mut self, arguments: &'static str) -> &mut Command;
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.09s
[INFO] running `Command { std: "docker" "inspect" "265d4c6094b08ca40cb6a6c40bc1932839004563f1c87eafb06ed1cafc7751b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "265d4c6094b08ca40cb6a6c40bc1932839004563f1c87eafb06ed1cafc7751b8", kill_on_drop: false }`
[INFO] [stdout] 265d4c6094b08ca40cb6a6c40bc1932839004563f1c87eafb06ed1cafc7751b8