[INFO] fetching crate dot-structures 0.1.2...
[INFO] testing dot-structures-0.1.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate dot-structures 0.1.2 into /workspace/builds/worker-0-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dot-structures 0.1.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b4ed2aec90607f92433958715a2d71de504bb9052affd9837d8d9f291f08dc1
[INFO] running `Command { std: "docker" "start" "-a" "1b4ed2aec90607f92433958715a2d71de504bb9052affd9837d8d9f291f08dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b4ed2aec90607f92433958715a2d71de504bb9052affd9837d8d9f291f08dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b4ed2aec90607f92433958715a2d71de504bb9052affd9837d8d9f291f08dc1", kill_on_drop: false }`
[INFO] [stdout] 1b4ed2aec90607f92433958715a2d71de504bb9052affd9837d8d9f291f08dc1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 642df38e29ecd10a78099ce38eae313029ee608fa78ae083343482429ae0b13f
[INFO] running `Command { std: "docker" "start" "-a" "642df38e29ecd10a78099ce38eae313029ee608fa78ae083343482429ae0b13f", 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 0.28s
[INFO] running `Command { std: "docker" "inspect" "642df38e29ecd10a78099ce38eae313029ee608fa78ae083343482429ae0b13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "642df38e29ecd10a78099ce38eae313029ee608fa78ae083343482429ae0b13f", kill_on_drop: false }`
[INFO] [stdout] 642df38e29ecd10a78099ce38eae313029ee608fa78ae083343482429ae0b13f
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ea3efa7ee590ef28de3237a53db9ef49c4cca7654a6de76e37b1f6f9ae8f6aa
[INFO] running `Command { std: "docker" "start" "-a" "5ea3efa7ee590ef28de3237a53db9ef49c4cca7654a6de76e37b1f6f9ae8f6aa", 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] [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]    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 0.27s
[INFO] running `Command { std: "docker" "inspect" "5ea3efa7ee590ef28de3237a53db9ef49c4cca7654a6de76e37b1f6f9ae8f6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea3efa7ee590ef28de3237a53db9ef49c4cca7654a6de76e37b1f6f9ae8f6aa", kill_on_drop: false }`
[INFO] [stdout] 5ea3efa7ee590ef28de3237a53db9ef49c4cca7654a6de76e37b1f6f9ae8f6aa
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f299ed8dc8936c0055aff62a8787a4b62b381d6ede14083d0e48231d23e10700
[INFO] running `Command { std: "docker" "start" "-a" "f299ed8dc8936c0055aff62a8787a4b62b381d6ede14083d0e48231d23e10700", 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" "f299ed8dc8936c0055aff62a8787a4b62b381d6ede14083d0e48231d23e10700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f299ed8dc8936c0055aff62a8787a4b62b381d6ede14083d0e48231d23e10700", kill_on_drop: false }`
[INFO] [stdout] f299ed8dc8936c0055aff62a8787a4b62b381d6ede14083d0e48231d23e10700