[INFO] cloning repository https://github.com/arnau/regurgitate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arnau/regurgitate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnau%2Fregurgitate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnau%2Fregurgitate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 303d34a5483d2d99e214d9a2a3ee7d8d1f2a5110
[INFO] checking arnau/regurgitate against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnau%2Fregurgitate" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arnau/regurgitate on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arnau/regurgitate
[INFO] finished tweaking git repo https://github.com/arnau/regurgitate
[INFO] tweaked toml for git repo https://github.com/arnau/regurgitate written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/arnau/regurgitate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecb8625358f8ec62e893f9f4b7935012371d80821bfb72fc49507c2002628f56
[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" "ecb8625358f8ec62e893f9f4b7935012371d80821bfb72fc49507c2002628f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecb8625358f8ec62e893f9f4b7935012371d80821bfb72fc49507c2002628f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecb8625358f8ec62e893f9f4b7935012371d80821bfb72fc49507c2002628f56", kill_on_drop: false }`
[INFO] [stdout] ecb8625358f8ec62e893f9f4b7935012371d80821bfb72fc49507c2002628f56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d3d9e87e39b464a179ef8e09bc2a8d3d8bc4dc773693e3151401ca672398afaf
[INFO] running `Command { std: "docker" "start" "-a" "d3d9e87e39b464a179ef8e09bc2a8d3d8bc4dc773693e3151401ca672398afaf", kill_on_drop: false }`
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.21
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking ucd-util v0.1.2
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling encoding_rs v0.8.10
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.0
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking block-padding v0.1.2
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking libflate v0.1.18
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking blake2 v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking sha3 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking hyper v0.12.14
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.4
[INFO] [stderr]     Checking blot-lib v0.1.1
[INFO] [stderr]     Checking regurgitate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::Url`
[INFO] [stdout]  --> src/annotation.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Url;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Url`
[INFO] [stdout]  --> src/annotation.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Url;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.40s
[INFO] running `Command { std: "docker" "inspect" "d3d9e87e39b464a179ef8e09bc2a8d3d8bc4dc773693e3151401ca672398afaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d9e87e39b464a179ef8e09bc2a8d3d8bc4dc773693e3151401ca672398afaf", kill_on_drop: false }`
[INFO] [stdout] d3d9e87e39b464a179ef8e09bc2a8d3d8bc4dc773693e3151401ca672398afaf