[INFO] cloning repository https://github.com/s-panferov/lseq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/s-panferov/lseq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs-panferov%2Flseq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs-panferov%2Flseq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f6400024b9602f0fa3194b0f7ad358d7f3d0341
[INFO] checking s-panferov/lseq against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs-panferov%2Flseq" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/s-panferov/lseq 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/s-panferov/lseq
[INFO] finished tweaking git repo https://github.com/s-panferov/lseq
[INFO] tweaked toml for git repo https://github.com/s-panferov/lseq written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/s-panferov/lseq 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48dae8b9c2c5289df5134950764b73ff93bf31ed2dbbae1fa82cf6313dbe064f
[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" "48dae8b9c2c5289df5134950764b73ff93bf31ed2dbbae1fa82cf6313dbe064f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48dae8b9c2c5289df5134950764b73ff93bf31ed2dbbae1fa82cf6313dbe064f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48dae8b9c2c5289df5134950764b73ff93bf31ed2dbbae1fa82cf6313dbe064f", kill_on_drop: false }`
[INFO] [stdout] 48dae8b9c2c5289df5134950764b73ff93bf31ed2dbbae1fa82cf6313dbe064f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd9e9130945b9274ca21a3349d07b6f23f75bde8379b085e0c6a25bb3ef3a1ea
[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" "fd9e9130945b9274ca21a3349d07b6f23f75bde8379b085e0c6a25bb3ef3a1ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.1
[INFO] [stderr]    Compiling rug v1.0.1
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking serde v1.0.36
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking quickersort v3.0.1
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking average v0.7.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking skiplist v0.2.10
[INFO] [stderr]     Checking uuid v0.6.2
[INFO] [stderr]     Checking lseq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ident.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 |   pub fn debug(&self, base: &BitBase) -> String {
[INFO] [stdout]    |                              ^^^^^^^ help: use `dyn`: `dyn BitBase`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ident.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 |   pub fn debug(&self, base: &BitBase) -> String {
[INFO] [stdout]    |                              ^^^^^^^ help: use `dyn`: `dyn BitBase`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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 2m 39s
[INFO] running `Command { std: "docker" "inspect" "fd9e9130945b9274ca21a3349d07b6f23f75bde8379b085e0c6a25bb3ef3a1ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9e9130945b9274ca21a3349d07b6f23f75bde8379b085e0c6a25bb3ef3a1ea", kill_on_drop: false }`
[INFO] [stdout] fd9e9130945b9274ca21a3349d07b6f23f75bde8379b085e0c6a25bb3ef3a1ea