[INFO] cloning repository https://github.com/reiyw/kb-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reiyw/kb-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freiyw%2Fkb-tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freiyw%2Fkb-tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f92560676824f9aab487ed44c724a237fd2834e5
[INFO] checking reiyw/kb-tool against try#0cb362313295507a2f4321c0e30cea0168f2fe71 for pr-138961-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freiyw%2Fkb-tool" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/reiyw/kb-tool
[INFO] finished tweaking git repo https://github.com/reiyw/kb-tool
[INFO] tweaked toml for git repo https://github.com/reiyw/kb-tool written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/reiyw/kb-tool on toolchain 0cb362313295507a2f4321c0e30cea0168f2fe71
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/reiyw/kb-tool 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" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded counter v0.4.3
[INFO] [stderr]   Downloaded structopt-derive v0.3.0
[INFO] [stderr]   Downloaded structopt v0.3.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b367d200a6fc0f4f4ccf47d38a55410d70384cd3b94bce70eb7506017033b7d
[INFO] running `Command { std: "docker" "start" "-a" "2b367d200a6fc0f4f4ccf47d38a55410d70384cd3b94bce70eb7506017033b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b367d200a6fc0f4f4ccf47d38a55410d70384cd3b94bce70eb7506017033b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b367d200a6fc0f4f4ccf47d38a55410d70384cd3b94bce70eb7506017033b7d", kill_on_drop: false }`
[INFO] [stdout] 2b367d200a6fc0f4f4ccf47d38a55410d70384cd3b94bce70eb7506017033b7d
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26fc3d452e0099cce5302bff8f7813497f4d9586d0205ac0c65ad4d42860b154
[INFO] running `Command { std: "docker" "start" "-a" "26fc3d452e0099cce5302bff8f7813497f4d9586d0205ac0c65ad4d42860b154", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking bitflags v1.1.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking counter v0.4.3
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.0
[INFO] [stderr]     Checking structopt v0.3.0
[INFO] [stderr]     Checking kb-tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/graph.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Node<'a> {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 15 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node_ids` is never read
[INFO] [stdout]   --> src/graph.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct KG<'a> {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] 34 |     node_ids: HashMap<&'a str, usize>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KG` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/graph.rs:97:37
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn select_node<R: Rng + ?Sized>(&self, rng: &mut R) -> &Node {
[INFO] [stdout]    |                                     ^^^^^                  ^^^^^
[INFO] [stdout]    |                                     |                      ||
[INFO] [stdout]    |                                     |                      |the same lifetime is hidden here
[INFO] [stdout]    |                                     |                      the same lifetime is elided here
[INFO] [stdout]    |                                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn select_node<R: Rng + ?Sized>(&self, rng: &mut R) -> &Node<'_> {
[INFO] [stdout]    |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 109 |     ) -> (&Edge, bool) {
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |           ||
[INFO] [stdout]     |           |the same lifetime is hidden here
[INFO] [stdout]     |           the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 109 |     ) -> (&Edge<'_>, bool) {
[INFO] [stdout]     |                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/triple.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn read_triples(triples: &str, order: TripleOrder) -> Triples {
[INFO] [stdout]    |                              ^^^^                         ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn read_triples(triples: &str, order: TripleOrder) -> Triples<'_> {
[INFO] [stdout]    |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/graph.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Node<'a> {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 15 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node_ids` is never read
[INFO] [stdout]   --> src/graph.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct KG<'a> {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] 34 |     node_ids: HashMap<&'a str, usize>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KG` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/graph.rs:97:37
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn select_node<R: Rng + ?Sized>(&self, rng: &mut R) -> &Node {
[INFO] [stdout]    |                                     ^^^^^                  ^^^^^
[INFO] [stdout]    |                                     |                      ||
[INFO] [stdout]    |                                     |                      |the same lifetime is hidden here
[INFO] [stdout]    |                                     |                      the same lifetime is elided here
[INFO] [stdout]    |                                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn select_node<R: Rng + ?Sized>(&self, rng: &mut R) -> &Node<'_> {
[INFO] [stdout]    |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 109 |     ) -> (&Edge, bool) {
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |           ||
[INFO] [stdout]     |           |the same lifetime is hidden here
[INFO] [stdout]     |           the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 109 |     ) -> (&Edge<'_>, bool) {
[INFO] [stdout]     |                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/triple.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn read_triples(triples: &str, order: TripleOrder) -> Triples {
[INFO] [stdout]    |                              ^^^^                         ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn read_triples(triples: &str, order: TripleOrder) -> Triples<'_> {
[INFO] [stdout]    |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.31s
[INFO] running `Command { std: "docker" "inspect" "26fc3d452e0099cce5302bff8f7813497f4d9586d0205ac0c65ad4d42860b154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26fc3d452e0099cce5302bff8f7813497f4d9586d0205ac0c65ad4d42860b154", kill_on_drop: false }`
[INFO] [stdout] 26fc3d452e0099cce5302bff8f7813497f4d9586d0205ac0c65ad4d42860b154
