[INFO] fetching crate troika-rust 0.1.1...
[INFO] checking troika-rust-0.1.1 against beta for pr-78714
[INFO] extracting crate troika-rust 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate troika-rust 0.1.1 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 crates.io crate troika-rust 0.1.1
[INFO] finished tweaking crates.io crate troika-rust 0.1.1
[INFO] tweaked toml for crates.io crate troika-rust 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 72f035b9aaee5c9da8d298802b29fdbf19a027b77870e232bc6081dd50972d3b
[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" "72f035b9aaee5c9da8d298802b29fdbf19a027b77870e232bc6081dd50972d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72f035b9aaee5c9da8d298802b29fdbf19a027b77870e232bc6081dd50972d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f035b9aaee5c9da8d298802b29fdbf19a027b77870e232bc6081dd50972d3b", kill_on_drop: false }`
[INFO] [stdout] 72f035b9aaee5c9da8d298802b29fdbf19a027b77870e232bc6081dd50972d3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7ba5756dda906a2efa865be30628547a206f122971ab5f1906ab0821936441f3
[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" "7ba5756dda906a2efa865be30628547a206f122971ab5f1906ab0821936441f3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking troika-rust v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 36.39s
[INFO] running `Command { std: "docker" "inspect" "7ba5756dda906a2efa865be30628547a206f122971ab5f1906ab0821936441f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba5756dda906a2efa865be30628547a206f122971ab5f1906ab0821936441f3", kill_on_drop: false }`
[INFO] [stdout] 7ba5756dda906a2efa865be30628547a206f122971ab5f1906ab0821936441f3