[INFO] cloning repository https://github.com/dkattimu/test-case-combos-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dkattimu/test-case-combos-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkattimu%2Ftest-case-combos-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkattimu%2Ftest-case-combos-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 457d857b08223a3f5910e54a0b7f9aefd37f6000
[INFO] checking dkattimu/test-case-combos-rs against try#6713fa75964eb229409a9c6f6f5c418423e313ff for pr-133502-22
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkattimu%2Ftest-case-combos-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dkattimu/test-case-combos-rs
[INFO] finished tweaking git repo https://github.com/dkattimu/test-case-combos-rs
[INFO] tweaked toml for git repo https://github.com/dkattimu/test-case-combos-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dkattimu/test-case-combos-rs on toolchain 6713fa75964eb229409a9c6f6f5c418423e313ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dkattimu/test-case-combos-rs 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" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking dkattimu/test-case-combos-rs against try#6713fa75964eb229409a9c6f6f5c418423e313ff for pr-133502-22
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkattimu%2Ftest-case-combos-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dkattimu/test-case-combos-rs
[INFO] finished tweaking git repo https://github.com/dkattimu/test-case-combos-rs
[INFO] tweaked toml for git repo https://github.com/dkattimu/test-case-combos-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dkattimu/test-case-combos-rs on toolchain 6713fa75964eb229409a9c6f6f5c418423e313ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dkattimu/test-case-combos-rs 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" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.2
[INFO] [stderr]   Downloaded quote v1.0.20
[INFO] [stderr]   Downloaded parameterized v1.0.0
[INFO] [stderr]   Downloaded parameterized-macro v1.0.0
[INFO] [stderr]   Downloaded hashbrown v0.9.1
[INFO] [stderr]   Downloaded indexmap v1.6.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.40
[INFO] [stderr]   Downloaded syn v1.0.98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 191ae3d5fbfd051dc83a06840fbd3e9eaa3e7bcd81ccb79c2182bb822d69ffce
[INFO] running `Command { std: "docker" "start" "-a" "191ae3d5fbfd051dc83a06840fbd3e9eaa3e7bcd81ccb79c2182bb822d69ffce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "191ae3d5fbfd051dc83a06840fbd3e9eaa3e7bcd81ccb79c2182bb822d69ffce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191ae3d5fbfd051dc83a06840fbd3e9eaa3e7bcd81ccb79c2182bb822d69ffce", kill_on_drop: false }`
[INFO] [stdout] 191ae3d5fbfd051dc83a06840fbd3e9eaa3e7bcd81ccb79c2182bb822d69ffce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 629e8d4fca4a6219331d6ec4e383ce6cccf686bb379279bf784e170ba26b5f14
[INFO] running `Command { std: "docker" "start" "-a" "629e8d4fca4a6219331d6ec4e383ce6cccf686bb379279bf784e170ba26b5f14", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling parameterized-macro v1.0.0
[INFO] [stderr]     Checking parameterized v1.0.0
[INFO] [stderr]     Checking test-case-combos-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/interval_set.rs:193:32
[INFO] [stdout]     |
[INFO] [stdout] 193 |         fn intersection(&self, other: &dyn ISet<T>) -> &dyn ISet<T> {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/interval_set.rs:197:31
[INFO] [stdout]     |
[INFO] [stdout] 197 |         fn is_superset(&self, other: &dyn ISet<T>) -> bool {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ElementSet` is never constructed
[INFO] [stdout]  --> src/element_set.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |    pub struct ElementSet<T,U> {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/interval_set.rs:206:44
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn parse_intervalset<T>(str_reprn: &str) -> IntervalSet<T> where
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn parse_intervalset<T>(str_reprn: &str) -> IntervalSet<'_, T> where
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:121:45
[INFO] [stdout]     |
[INFO] [stdout] 121 |         pub fn parse_intervalset(str_reprn: &str) ->  IntervalSet {
[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] 121 |         pub fn parse_intervalset(str_reprn: &str) ->  IntervalSet<'_> {
[INFO] [stdout]     |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/interval_set.rs:193:32
[INFO] [stdout]     |
[INFO] [stdout] 193 |         fn intersection(&self, other: &dyn ISet<T>) -> &dyn ISet<T> {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/interval_set.rs:197:31
[INFO] [stdout]     |
[INFO] [stdout] 197 |         fn is_superset(&self, other: &dyn ISet<T>) -> bool {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ElementSet` is never constructed
[INFO] [stdout]  --> src/element_set.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |    pub struct ElementSet<T,U> {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/interval_set.rs:206:44
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn parse_intervalset<T>(str_reprn: &str) -> IntervalSet<T> where
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn parse_intervalset<T>(str_reprn: &str) -> IntervalSet<'_, T> where
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:121:45
[INFO] [stdout]     |
[INFO] [stdout] 121 |         pub fn parse_intervalset(str_reprn: &str) ->  IntervalSet {
[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] 121 |         pub fn parse_intervalset(str_reprn: &str) ->  IntervalSet<'_> {
[INFO] [stdout]     |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "629e8d4fca4a6219331d6ec4e383ce6cccf686bb379279bf784e170ba26b5f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "629e8d4fca4a6219331d6ec4e383ce6cccf686bb379279bf784e170ba26b5f14", kill_on_drop: false }`
[INFO] [stdout] 629e8d4fca4a6219331d6ec4e383ce6cccf686bb379279bf784e170ba26b5f14
