[INFO] crate graph 0.0.2 is already in cache
[INFO] testing graph-0.0.2 against 1.45.2 for beta-1.46-1
[INFO] extracting crate graph 0.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate graph 0.0.2 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graph 0.0.2
[INFO] finished tweaking crates.io crate graph 0.0.2
[INFO] tweaked toml for crates.io crate graph 0.0.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05249650bcd374e34e6be3794386b22134ff07ea4fcc25c710f3ab900d464af9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "05249650bcd374e34e6be3794386b22134ff07ea4fcc25c710f3ab900d464af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05249650bcd374e34e6be3794386b22134ff07ea4fcc25c710f3ab900d464af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05249650bcd374e34e6be3794386b22134ff07ea4fcc25c710f3ab900d464af9", kill_on_drop: false }`
[INFO] [stdout] 05249650bcd374e34e6be3794386b22134ff07ea4fcc25c710f3ab900d464af9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e0e2db96022e7e35a2a5fa2aeb8cdb87a7e6162a06eb278aa43508cef5a28e4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4e0e2db96022e7e35a2a5fa2aeb8cdb87a7e6162a06eb278aa43508cef5a28e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Node`
[INFO] [stdout]  --> src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Node;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Edge`
[INFO] [stdout]  --> src/lib.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Edge;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Graph`
[INFO] [stdout]  --> src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Graph;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "4e0e2db96022e7e35a2a5fa2aeb8cdb87a7e6162a06eb278aa43508cef5a28e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e0e2db96022e7e35a2a5fa2aeb8cdb87a7e6162a06eb278aa43508cef5a28e4", kill_on_drop: false }`
[INFO] [stdout] 4e0e2db96022e7e35a2a5fa2aeb8cdb87a7e6162a06eb278aa43508cef5a28e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85d8fa241be79a8f085c1f12fab3c5e505f1c8e293d230b74638e83325c406e8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "85d8fa241be79a8f085c1f12fab3c5e505f1c8e293d230b74638e83325c406e8", kill_on_drop: false }`
[INFO] [stdout] warning: struct is never constructed: `Node`
[INFO] [stdout]  --> src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Node;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling graph v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Edge`
[INFO] [stdout]  --> src/lib.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Edge;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Graph`
[INFO] [stdout]  --> src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Graph;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Node`
[INFO] [stdout]  --> src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Node;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Edge`
[INFO] [stdout]  --> src/lib.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Edge;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Graph`
[INFO] [stdout]  --> src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Graph;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "85d8fa241be79a8f085c1f12fab3c5e505f1c8e293d230b74638e83325c406e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d8fa241be79a8f085c1f12fab3c5e505f1c8e293d230b74638e83325c406e8", kill_on_drop: false }`
[INFO] [stdout] 85d8fa241be79a8f085c1f12fab3c5e505f1c8e293d230b74638e83325c406e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3c76eb43cdfe7c89545b5d82d45fb3b81e2f931dfec6dacc1fb541e9151433af
[INFO] running `Command { std: "docker" "start" "-a" "3c76eb43cdfe7c89545b5d82d45fb3b81e2f931dfec6dacc1fb541e9151433af", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]  --> src/lib.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Node;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Edge`
[INFO] [stderr]  --> src/lib.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Edge;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Graph`
[INFO] [stderr]  --> src/lib.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Graph;
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]  --> src/lib.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Node;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Edge`
[INFO] [stderr]  --> src/lib.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Edge;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Graph`
[INFO] [stderr]  --> src/lib.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Graph;
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/graph-44dcd981fc70954d
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graph
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3c76eb43cdfe7c89545b5d82d45fb3b81e2f931dfec6dacc1fb541e9151433af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c76eb43cdfe7c89545b5d82d45fb3b81e2f931dfec6dacc1fb541e9151433af", kill_on_drop: false }`
[INFO] [stdout] 3c76eb43cdfe7c89545b5d82d45fb3b81e2f931dfec6dacc1fb541e9151433af