[INFO] fetching crate gsgdt 0.1.3...
[INFO] checking gsgdt-0.1.3 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate gsgdt 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate gsgdt 0.1.3 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", 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] 18c3c3f4de4bc7189aafa85767c10ecd3b21cac390a67f89897c0609a36da75f
[INFO] running `Command { std: "docker" "start" "-a" "18c3c3f4de4bc7189aafa85767c10ecd3b21cac390a67f89897c0609a36da75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18c3c3f4de4bc7189aafa85767c10ecd3b21cac390a67f89897c0609a36da75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18c3c3f4de4bc7189aafa85767c10ecd3b21cac390a67f89897c0609a36da75f", kill_on_drop: false }`
[INFO] [stdout] 18c3c3f4de4bc7189aafa85767c10ecd3b21cac390a67f89897c0609a36da75f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 0328f64e10276a3827ee506a237ec08dc6924eaf2160650b78a099ecd4a82926
[INFO] running `Command { std: "docker" "start" "-a" "0328f64e10276a3827ee506a237ec08dc6924eaf2160650b78a099ecd4a82926", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking gsgdt v0.1.3 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test_multigraph.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test_graph.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test_diff.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/helpers.rs from 2018 edition to 2021
[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 22.62s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking gsgdt v0.1.3 (/tmp/fixit)
[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 1.31s
[INFO] running `Command { std: "docker" "inspect" "0328f64e10276a3827ee506a237ec08dc6924eaf2160650b78a099ecd4a82926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0328f64e10276a3827ee506a237ec08dc6924eaf2160650b78a099ecd4a82926", kill_on_drop: false }`
[INFO] [stdout] 0328f64e10276a3827ee506a237ec08dc6924eaf2160650b78a099ecd4a82926