[INFO] fetching crate streamhist 0.0.1-alpha.3...
[INFO] checking streamhist-0.0.1-alpha.3 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate streamhist 0.0.1-alpha.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate streamhist 0.0.1-alpha.3 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate streamhist 0.0.1-alpha.3
[INFO] finished tweaking crates.io crate streamhist 0.0.1-alpha.3
[INFO] tweaked toml for crates.io crate streamhist 0.0.1-alpha.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate streamhist 0.0.1-alpha.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libm v0.2.1
[INFO] [stderr]   Downloaded approx v0.4.0
[INFO] [stderr]   Downloaded rand_core v0.6.0
[INFO] [stderr]   Downloaded getrandom v0.2.0
[INFO] [stderr]   Downloaded serde_json v1.0.60
[INFO] [stderr]   Downloaded rand_isaac v0.3.0
[INFO] [stderr]   Downloaded rand_distr v0.4.0
[INFO] [stderr]   Downloaded rand v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] 8d7e9ed02f90ad0bbb7144d05f838b7b671ae3ae23c55f8d7a0ce08653615264
[INFO] running `Command { std: "docker" "start" "-a" "8d7e9ed02f90ad0bbb7144d05f838b7b671ae3ae23c55f8d7a0ce08653615264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d7e9ed02f90ad0bbb7144d05f838b7b671ae3ae23c55f8d7a0ce08653615264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7e9ed02f90ad0bbb7144d05f838b7b671ae3ae23c55f8d7a0ce08653615264", kill_on_drop: false }`
[INFO] [stdout] 8d7e9ed02f90ad0bbb7144d05f838b7b671ae3ae23c55f8d7a0ce08653615264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae3416b4967e6aaf7a17ad7bebcc96a71d7c960cd7342d350301a648ccdf01a7
[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" "ae3416b4967e6aaf7a17ad7bebcc96a71d7c960cd7342d350301a648ccdf01a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking streamhist v0.0.1-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_isaac v0.3.0
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking rand_distr v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.28s
[INFO] running `Command { std: "docker" "inspect" "ae3416b4967e6aaf7a17ad7bebcc96a71d7c960cd7342d350301a648ccdf01a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae3416b4967e6aaf7a17ad7bebcc96a71d7c960cd7342d350301a648ccdf01a7", kill_on_drop: false }`
[INFO] [stdout] ae3416b4967e6aaf7a17ad7bebcc96a71d7c960cd7342d350301a648ccdf01a7