[INFO] cloning repository https://github.com/dpithon/set
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dpithon/set" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpithon%2Fset", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpithon%2Fset'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9833db82a70e5eb96ae69df5a3fbc9cf830a5270
[INFO] checking dpithon/set/9833db82a70e5eb96ae69df5a3fbc9cf830a5270 against try#498fce24f39c1ecbb0abe08824e72162da853341 for pr-129935
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpithon%2Fset" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpithon/set on toolchain 498fce24f39c1ecbb0abe08824e72162da853341
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+498fce24f39c1ecbb0abe08824e72162da853341" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dpithon/set
[INFO] finished tweaking git repo https://github.com/dpithon/set
[INFO] tweaked toml for git repo https://github.com/dpithon/set written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+498fce24f39c1ecbb0abe08824e72162da853341" "generate-lockfile" "--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 dpithon/set/9833db82a70e5eb96ae69df5a3fbc9cf830a5270 against try#498fce24f39c1ecbb0abe08824e72162da853341 for pr-129935
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpithon%2Fset" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpithon/set on toolchain 498fce24f39c1ecbb0abe08824e72162da853341
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+498fce24f39c1ecbb0abe08824e72162da853341" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dpithon/set
[INFO] finished tweaking git repo https://github.com/dpithon/set
[INFO] tweaked toml for git repo https://github.com/dpithon/set written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+498fce24f39c1ecbb0abe08824e72162da853341" "generate-lockfile" "--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]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+498fce24f39c1ecbb0abe08824e72162da853341" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded auto_ops v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+498fce24f39c1ecbb0abe08824e72162da853341" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 979972bb31645d95e527c54599847cac909ef3ff5858c300b2044d10539a6a6a
[INFO] running `Command { std: "docker" "start" "-a" "979972bb31645d95e527c54599847cac909ef3ff5858c300b2044d10539a6a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "979972bb31645d95e527c54599847cac909ef3ff5858c300b2044d10539a6a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "979972bb31645d95e527c54599847cac909ef3ff5858c300b2044d10539a6a6a", kill_on_drop: false }`
[INFO] [stdout] 979972bb31645d95e527c54599847cac909ef3ff5858c300b2044d10539a6a6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+498fce24f39c1ecbb0abe08824e72162da853341" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ed625d688ac9b65ef487c64da5dfc8eaafae737791212393536101e97aade95
[INFO] running `Command { std: "docker" "start" "-a" "8ed625d688ac9b65ef487c64da5dfc8eaafae737791212393536101e97aade95", kill_on_drop: false }`
[INFO] [stderr]     Checking auto_ops v0.3.0
[INFO] [stderr]     Checking interval v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `max` is never used
[INFO] [stdout]   --> src/interval/left.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Left {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn max(self, other: Left) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `min` is never used
[INFO] [stdout]   --> src/interval/right.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Right {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 11 |     pub fn min(self, other: Right) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "8ed625d688ac9b65ef487c64da5dfc8eaafae737791212393536101e97aade95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ed625d688ac9b65ef487c64da5dfc8eaafae737791212393536101e97aade95", kill_on_drop: false }`
[INFO] [stdout] 8ed625d688ac9b65ef487c64da5dfc8eaafae737791212393536101e97aade95