[INFO] cloning repository https://github.com/offscale/offregisters-lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/offscale/offregisters-lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foffscale%2Foffregisters-lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foffscale%2Foffregisters-lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 003cf39b99439508b2be452573f5c9faf3c0f29b
[INFO] checking offscale/offregisters-lib against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foffscale%2Foffregisters-lib" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/offscale/offregisters-lib on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/offscale/offregisters-lib
[INFO] finished tweaking git repo https://github.com/offscale/offregisters-lib
[INFO] tweaked toml for git repo https://github.com/offscale/offregisters-lib written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/offscale/offregisters-lib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tar v0.4.23
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f78b0c32f7c2d81a780ea5faa8bf01e6d2e538ee82f2369d858c57dde2850c81
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f78b0c32f7c2d81a780ea5faa8bf01e6d2e538ee82f2369d858c57dde2850c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f78b0c32f7c2d81a780ea5faa8bf01e6d2e538ee82f2369d858c57dde2850c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f78b0c32f7c2d81a780ea5faa8bf01e6d2e538ee82f2369d858c57dde2850c81", kill_on_drop: false }`
[INFO] [stdout] f78b0c32f7c2d81a780ea5faa8bf01e6d2e538ee82f2369d858c57dde2850c81
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 322f579d1350b0e00c63e99e91580795df8d3ffdacc29fac5e4d4bbfc0849f06
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "322f579d1350b0e00c63e99e91580795df8d3ffdacc29fac5e4d4bbfc0849f06", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures v0.1.26
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling mio_httpc v0.8.6
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking pest v2.1.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking openssl v0.10.16
[INFO] [stderr]     Checking tar v0.4.23
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-sync v0.1.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]    Compiling pest_meta v2.1.0
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking h2 v0.1.18
[INFO] [stderr]     Checking native-tls v0.2.2
[INFO] [stderr]     Checking crypto-hash v0.3.3
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]     Checking hyper v0.12.27
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking liboffregisters v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `response_text`
[INFO] [stdout]   --> src/download.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn response_text(&self) -> Result<String, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.53s
[INFO] running `Command { std: "docker" "inspect" "322f579d1350b0e00c63e99e91580795df8d3ffdacc29fac5e4d4bbfc0849f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "322f579d1350b0e00c63e99e91580795df8d3ffdacc29fac5e4d4bbfc0849f06", kill_on_drop: false }`
[INFO] [stdout] 322f579d1350b0e00c63e99e91580795df8d3ffdacc29fac5e4d4bbfc0849f06