[INFO] cloning repository https://github.com/gregtatum/rust-sketches
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregtatum/rust-sketches" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregtatum%2Frust-sketches", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregtatum%2Frust-sketches'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfc6fa8b7f5df49bdf9ca68b8c2f40767a209075
[INFO] checking gregtatum/rust-sketches against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregtatum%2Frust-sketches" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gregtatum/rust-sketches 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/gregtatum/rust-sketches
[INFO] finished tweaking git repo https://github.com/gregtatum/rust-sketches
[INFO] tweaked toml for git repo https://github.com/gregtatum/rust-sketches written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/gregtatum/rust-sketches 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 smallstr v0.2.0
[INFO] [stderr]   Downloaded tinystr-macros v0.2.0
[INFO] [stderr]   Downloaded icu_datetime v0.1.0
[INFO] [stderr]   Downloaded tinystr-raw v0.1.0
[INFO] [stderr]   Downloaded tinystr v0.4.1
[INFO] [stderr]   Downloaded icu_plurals v0.1.0
[INFO] [stderr]   Downloaded icu_uniset v0.1.0
[INFO] [stderr]   Downloaded icu_locid_macros v0.1.0
[INFO] [stderr]   Downloaded icu_provider v0.1.0
[INFO] [stderr]   Downloaded fixed_decimal v0.1.0
[INFO] [stderr]   Downloaded icu v0.1.0
[INFO] [stderr]   Downloaded icu_locid v0.1.0
[INFO] [stderr]   Downloaded icu_provider_fs v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0c6c5303f36cd175e752833e9f76dbbec663e37491bcc0ff6772740858a3e506
[INFO] running `Command { std: "docker" "start" "-a" "0c6c5303f36cd175e752833e9f76dbbec663e37491bcc0ff6772740858a3e506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c6c5303f36cd175e752833e9f76dbbec663e37491bcc0ff6772740858a3e506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c6c5303f36cd175e752833e9f76dbbec663e37491bcc0ff6772740858a3e506", kill_on_drop: false }`
[INFO] [stdout] 0c6c5303f36cd175e752833e9f76dbbec663e37491bcc0ff6772740858a3e506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 651b1b07dd88c0e466e19d4dca33d6a7dff06d12d7f71c43eb79b82c5df71b76
[INFO] running `Command { std: "docker" "start" "-a" "651b1b07dd88c0e466e19d4dca33d6a7dff06d12d7f71c43eb79b82c5df71b76", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling tinystr-raw v0.1.0
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking icu_uniset v0.1.0
[INFO] [stderr]    Compiling tinystr-macros v0.2.0
[INFO] [stderr]     Checking fixed_decimal v0.1.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking tinystr v0.4.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking smallstr v0.2.0
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking icu_locid v0.1.0
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]     Checking icu_provider v0.1.0
[INFO] [stderr]     Checking icu_datetime v0.1.0
[INFO] [stderr]     Checking icu_plurals v0.1.0
[INFO] [stderr]     Checking icu_provider_fs v0.1.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling icu_locid_macros v0.1.0
[INFO] [stderr]     Checking icu v0.1.0
[INFO] [stderr]     Checking spec-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.05s
[INFO] running `Command { std: "docker" "inspect" "651b1b07dd88c0e466e19d4dca33d6a7dff06d12d7f71c43eb79b82c5df71b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651b1b07dd88c0e466e19d4dca33d6a7dff06d12d7f71c43eb79b82c5df71b76", kill_on_drop: false }`
[INFO] [stdout] 651b1b07dd88c0e466e19d4dca33d6a7dff06d12d7f71c43eb79b82c5df71b76