[INFO] cloning repository https://github.com/totaki/snowgen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/totaki/snowgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotaki%2Fsnowgen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotaki%2Fsnowgen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39d12073951d618f8dd482a857ee4a48bfdb4a7c
[INFO] checking totaki/snowgen against master#52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6 for pr-127907
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotaki%2Fsnowgen" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/totaki/snowgen on toolchain 52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/totaki/snowgen
[INFO] finished tweaking git repo https://github.com/totaki/snowgen
[INFO] tweaked toml for git repo https://github.com/totaki/snowgen written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/totaki/snowgen 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" "+52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking totaki/snowgen against try#6223d840318ac1f9c8b6bf3aef24c3ff67683479 for pr-127907
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotaki%2Fsnowgen" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/totaki/snowgen on toolchain 6223d840318ac1f9c8b6bf3aef24c3ff67683479
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/totaki/snowgen
[INFO] finished tweaking git repo https://github.com/totaki/snowgen
[INFO] tweaked toml for git repo https://github.com/totaki/snowgen written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/totaki/snowgen 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" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 slug v0.1.2
[INFO] [stderr]   Downloaded atty v0.2.3
[INFO] [stderr]   Downloaded yaml-rust v0.3.5
[INFO] [stderr]   Downloaded lazy_static v0.2.9
[INFO] [stderr]   Downloaded serde v1.0.19
[INFO] [stderr]   Downloaded tera v0.10.10
[INFO] [stderr]   Downloaded serde_json v1.0.5
[INFO] [stderr]   Downloaded unidecode v0.2.0
[INFO] [stderr]   Downloaded clap v2.27.1
[INFO] [stderr]   Downloaded humansize v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 387f5b933e2fbbced74df81e07ec8e0241ad477cb0ca2c91141cd628f7331b81
[INFO] running `Command { std: "docker" "start" "-a" "387f5b933e2fbbced74df81e07ec8e0241ad477cb0ca2c91141cd628f7331b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "387f5b933e2fbbced74df81e07ec8e0241ad477cb0ca2c91141cd628f7331b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387f5b933e2fbbced74df81e07ec8e0241ad477cb0ca2c91141cd628f7331b81", kill_on_drop: false }`
[INFO] [stdout] 387f5b933e2fbbced74df81e07ec8e0241ad477cb0ca2c91141cd628f7331b81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 528b54a017ac61d1c5ea5e742f3157bd012d4cbdda3892d123d2d573edea6394
[INFO] running `Command { std: "docker" "start" "-a" "528b54a017ac61d1c5ea5e742f3157bd012d4cbdda3892d123d2d573edea6394", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking serde v1.0.19
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking unidecode v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking humansize v1.0.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking url v1.6.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking slug v0.1.2
[INFO] [stderr]     Checking pest v0.4.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/url-1.6.0/src/form_urlencoded.rs:261:40
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stdout]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0713`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `url` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "528b54a017ac61d1c5ea5e742f3157bd012d4cbdda3892d123d2d573edea6394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528b54a017ac61d1c5ea5e742f3157bd012d4cbdda3892d123d2d573edea6394", kill_on_drop: false }`
[INFO] [stdout] 528b54a017ac61d1c5ea5e742f3157bd012d4cbdda3892d123d2d573edea6394