[INFO] cloning repository https://github.com/redzic/statistics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redzic/statistics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredzic%2Fstatistics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredzic%2Fstatistics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f06900b81e815a7a0b803763456a327c4cbe5bbd
[INFO] building redzic/statistics against master#f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9 for pr-137044-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredzic%2Fstatistics" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redzic/statistics on toolchain f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redzic/statistics
[INFO] finished tweaking git repo https://github.com/redzic/statistics
[INFO] tweaked toml for git repo https://github.com/redzic/statistics written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/redzic/statistics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded rust-argon2 v0.7.0
[INFO] [stderr]   Downloaded redox_users v0.3.4
[INFO] [stderr]   Downloaded dirs v2.0.2
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded assert_approx_eq v1.1.0
[INFO] [stderr]   Downloaded cast v0.2.3
[INFO] [stderr]   Downloaded rayon-core v1.7.0
[INFO] [stderr]   Downloaded csv v1.1.2
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.0
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded bstr v0.2.9
[INFO] [stderr]   Downloaded csv-core v0.1.6
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.2
[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded regex-automata v0.1.8
[INFO] [stderr]   Downloaded az v0.3.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.6
[INFO] [stderr]   Downloaded scopeguard v1.0.0
[INFO] [stderr]   Downloaded base64 v0.11.0
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded arrayvec v0.5.1
[INFO] [stderr]   Downloaded blake2b_simd v0.5.10
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded memoffset v0.5.3
[INFO] [stderr]   Downloaded dirs-sys v0.3.4
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded criterion-plot v0.4.0
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded memchr v2.3.0
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded autocfg v1.0.0
[INFO] [stderr]   Downloaded num-traits v0.2.11
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.0
[INFO] [stderr]   Downloaded rand_os v0.2.2
[INFO] [stderr]   Downloaded rand_xoshiro v0.3.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.8
[INFO] [stderr]   Downloaded syn v1.0.13
[INFO] [stderr]   Downloaded serde_derive v1.0.104
[INFO] [stderr]   Downloaded serde v1.0.104
[INFO] [stderr]   Downloaded serde_json v1.0.44
[INFO] [stderr]   Downloaded tinytemplate v1.0.3
[INFO] [stderr]   Downloaded winapi-util v0.1.3
[INFO] [stderr]   Downloaded walkdir v2.3.1
[INFO] [stderr]   Downloaded criterion v0.3.0
[INFO] [stderr]   Downloaded rand_chacha v0.2.1
[INFO] [stderr]   Downloaded rand_hc v0.2.0
[INFO] [stderr]   Downloaded either v1.5.3
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.1
[INFO] [stderr]   Downloaded ryu v1.0.2
[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded num_cpus v1.12.0
[INFO] [stderr]   Downloaded rayon v1.3.0
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded redox_syscall v0.1.56
[INFO] [stderr]   Downloaded rand v0.7.3
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded same-file v1.0.6
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded rug v1.7.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0fb4707b0700a2800cc5aa005053c35605767ac42b0c0c35024400b16741a92
[INFO] running `Command { std: "docker" "start" "-a" "a0fb4707b0700a2800cc5aa005053c35605767ac42b0c0c35024400b16741a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0fb4707b0700a2800cc5aa005053c35605767ac42b0c0c35024400b16741a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0fb4707b0700a2800cc5aa005053c35605767ac42b0c0c35024400b16741a92", kill_on_drop: false }`
[INFO] [stdout] a0fb4707b0700a2800cc5aa005053c35605767ac42b0c0c35024400b16741a92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e4f99e90d2bcd4aefe7589d34c40eaac05b02e23b0b5dae4d3d369e3ef4f8d8
[INFO] running `Command { std: "docker" "start" "-a" "7e4f99e90d2bcd4aefe7589d34c40eaac05b02e23b0b5dae4d3d369e3ef4f8d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rug v1.7.0
[INFO] [stderr]    Compiling az v0.3.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7e4f99e90d2bcd4aefe7589d34c40eaac05b02e23b0b5dae4d3d369e3ef4f8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e4f99e90d2bcd4aefe7589d34c40eaac05b02e23b0b5dae4d3d369e3ef4f8d8", kill_on_drop: false }`
[INFO] [stdout] 7e4f99e90d2bcd4aefe7589d34c40eaac05b02e23b0b5dae4d3d369e3ef4f8d8