[INFO] cloning repository https://github.com/javierhonduco/sweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/javierhonduco/sweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjavierhonduco%2Fsweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjavierhonduco%2Fsweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0f8fc1615aef57690b81f05fb711308aed6686c
[INFO] checking javierhonduco/sweeper against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjavierhonduco%2Fsweeper" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/javierhonduco/sweeper on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/javierhonduco/sweeper
[INFO] finished tweaking git repo https://github.com/javierhonduco/sweeper
[INFO] tweaked toml for git repo https://github.com/javierhonduco/sweeper written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/javierhonduco/sweeper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bcc v0.0.27
[INFO] [stderr]   Downloaded bcc-sys v0.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95a4ff39a43c2f50ba5418f4429d1fd2b18fb4d96c603a9b475f89e967d01802
[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" "95a4ff39a43c2f50ba5418f4429d1fd2b18fb4d96c603a9b475f89e967d01802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95a4ff39a43c2f50ba5418f4429d1fd2b18fb4d96c603a9b475f89e967d01802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a4ff39a43c2f50ba5418f4429d1fd2b18fb4d96c603a9b475f89e967d01802", kill_on_drop: false }`
[INFO] [stdout] 95a4ff39a43c2f50ba5418f4429d1fd2b18fb4d96c603a9b475f89e967d01802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 927d60d306823595db0976885babb306ef34ea3b6d72fb903431740370778a5e
[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" "927d60d306823595db0976885babb306ef34ea3b6d72fb903431740370778a5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bcc-sys v0.16.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rusqlite v0.24.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking bcc v0.0.27
[INFO] [stderr]     Checking sweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.70s
[INFO] running `Command { std: "docker" "inspect" "927d60d306823595db0976885babb306ef34ea3b6d72fb903431740370778a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927d60d306823595db0976885babb306ef34ea3b6d72fb903431740370778a5e", kill_on_drop: false }`
[INFO] [stdout] 927d60d306823595db0976885babb306ef34ea3b6d72fb903431740370778a5e