[INFO] fetching crate dot-structures 0.1.2...
[INFO] testing dot-structures-0.1.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate dot-structures 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate dot-structures 0.1.2
[INFO] finished tweaking crates.io crate dot-structures 0.1.2
[INFO] tweaked toml for crates.io crate dot-structures 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dot-structures 0.1.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dot-structures 0.1.2 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d96b9365b755ce6948458aeeaf688284dbc09c48c96a5514bb4c5596bec22de
[INFO] running `Command { std: "docker" "start" "-a" "7d96b9365b755ce6948458aeeaf688284dbc09c48c96a5514bb4c5596bec22de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d96b9365b755ce6948458aeeaf688284dbc09c48c96a5514bb4c5596bec22de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d96b9365b755ce6948458aeeaf688284dbc09c48c96a5514bb4c5596bec22de", kill_on_drop: false }`
[INFO] [stdout] 7d96b9365b755ce6948458aeeaf688284dbc09c48c96a5514bb4c5596bec22de
[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_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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4fce99065a348bbde8b08741927ea2339e9801d25b2e70504fd051ef2c05f1d
[INFO] running `Command { std: "docker" "start" "-a" "e4fce99065a348bbde8b08741927ea2339e9801d25b2e70504fd051ef2c05f1d", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling dot-structures v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `add_attr` is never used
[INFO] [stdout]   --> src/lib.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl Edge {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 85 |     fn add_attr(&mut self, attr: Attribute) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "e4fce99065a348bbde8b08741927ea2339e9801d25b2e70504fd051ef2c05f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4fce99065a348bbde8b08741927ea2339e9801d25b2e70504fd051ef2c05f1d", kill_on_drop: false }`
[INFO] [stdout] e4fce99065a348bbde8b08741927ea2339e9801d25b2e70504fd051ef2c05f1d
[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_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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f4631c0304003f9feb796cd8ed5de937388e0f61b3da4c8518766e2920cbb50
[INFO] running `Command { std: "docker" "start" "-a" "0f4631c0304003f9feb796cd8ed5de937388e0f61b3da4c8518766e2920cbb50", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stdout] warning: method `add_attr` is never used
[INFO] [stdout]   --> src/lib.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl Edge {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 85 |     fn add_attr(&mut self, attr: Attribute) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling dot-structures v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `add_attr` is never used
[INFO] [stdout]   --> src/lib.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl Edge {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 85 |     fn add_attr(&mut self, attr: Attribute) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "0f4631c0304003f9feb796cd8ed5de937388e0f61b3da4c8518766e2920cbb50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f4631c0304003f9feb796cd8ed5de937388e0f61b3da4c8518766e2920cbb50", kill_on_drop: false }`
[INFO] [stdout] 0f4631c0304003f9feb796cd8ed5de937388e0f61b3da4c8518766e2920cbb50
[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_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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78c6d726d4d470eb9745c50bc0c27bd4efe9ebcbe790efe0c256581a541ac297
[INFO] running `Command { std: "docker" "start" "-a" "78c6d726d4d470eb9745c50bc0c27bd4efe9ebcbe790efe0c256581a541ac297", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: method `add_attr` is never used
[INFO] [stderr]   --> src/lib.rs:85:8
[INFO] [stderr]    |
[INFO] [stderr] 84 | impl Edge {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] 85 |     fn add_attr(&mut self, attr: Attribute) {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dot-structures` (lib) generated 1 warning
[INFO] [stderr] warning: `dot-structures` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dot_structures-5ecd78be23712af3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dot_structures
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "78c6d726d4d470eb9745c50bc0c27bd4efe9ebcbe790efe0c256581a541ac297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78c6d726d4d470eb9745c50bc0c27bd4efe9ebcbe790efe0c256581a541ac297", kill_on_drop: false }`
[INFO] [stdout] 78c6d726d4d470eb9745c50bc0c27bd4efe9ebcbe790efe0c256581a541ac297