[INFO] fetching crate gsgdt 0.1.3...
[INFO] checking gsgdt-0.1.3 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate gsgdt 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate gsgdt 0.1.3 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gsgdt 0.1.3
[INFO] finished tweaking crates.io crate gsgdt 0.1.3
[INFO] tweaked toml for crates.io crate gsgdt 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dccb8d0fce7d4b82a45e414d611f62c5aef23af89aa6f86a158cc8f555057ff
[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" "7dccb8d0fce7d4b82a45e414d611f62c5aef23af89aa6f86a158cc8f555057ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dccb8d0fce7d4b82a45e414d611f62c5aef23af89aa6f86a158cc8f555057ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dccb8d0fce7d4b82a45e414d611f62c5aef23af89aa6f86a158cc8f555057ff", kill_on_drop: false }`
[INFO] [stdout] 7dccb8d0fce7d4b82a45e414d611f62c5aef23af89aa6f86a158cc8f555057ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fd4db817ed70b88471d7964c2b583edace2de9036f8cbd99a79d7a2f3b27dba
[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" "2fd4db817ed70b88471d7964c2b583edace2de9036f8cbd99a79d7a2f3b27dba", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking gsgdt v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `read_graph_from_file`
[INFO] [stdout]  --> tests/helpers.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn read_graph_from_file(file: &str) -> Graph {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_graph_1`
[INFO] [stdout]   --> tests/helpers.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn get_graph_1() -> Graph {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_graph_2`
[INFO] [stdout]    --> tests/helpers.rs:202:8
[INFO] [stdout]     |
[INFO] [stdout] 202 | pub fn get_graph_2() -> Graph {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_graph_from_file`
[INFO] [stdout]  --> tests/helpers.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn read_graph_from_file(file: &str) -> Graph {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_graph_1`
[INFO] [stdout]   --> tests/helpers.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn get_graph_1() -> Graph {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_graph_2`
[INFO] [stdout]    --> tests/helpers.rs:202:8
[INFO] [stdout]     |
[INFO] [stdout] 202 | pub fn get_graph_2() -> Graph {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_graph_from_file`
[INFO] [stdout]  --> tests/helpers.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn read_graph_from_file(file: &str) -> Graph {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_small_graph`
[INFO] [stdout]   --> tests/helpers.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn get_small_graph() -> Graph {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.41s
[INFO] running `Command { std: "docker" "inspect" "2fd4db817ed70b88471d7964c2b583edace2de9036f8cbd99a79d7a2f3b27dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd4db817ed70b88471d7964c2b583edace2de9036f8cbd99a79d7a2f3b27dba", kill_on_drop: false }`
[INFO] [stdout] 2fd4db817ed70b88471d7964c2b583edace2de9036f8cbd99a79d7a2f3b27dba