[INFO] cloning repository https://github.com/sebasgarcep/kalman-filter-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebasgarcep/kalman-filter-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebasgarcep%2Fkalman-filter-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebasgarcep%2Fkalman-filter-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 376413893fb37699552e9820df1ad74b3e872bf9
[INFO] checking sebasgarcep/kalman-filter-tutorial against master#e9271846294c4ee5bd7706df68180320c0b5ff20 for pr-119820
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebasgarcep%2Fkalman-filter-tutorial" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sebasgarcep/kalman-filter-tutorial on toolchain e9271846294c4ee5bd7706df68180320c0b5ff20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sebasgarcep/kalman-filter-tutorial
[INFO] finished tweaking git repo https://github.com/sebasgarcep/kalman-filter-tutorial
[INFO] tweaked toml for git repo https://github.com/sebasgarcep/kalman-filter-tutorial written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sebasgarcep/kalman-filter-tutorial 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" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "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] Downloading crates ...
[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/simba/0.7.0/download` (99.84.160.69), got 503
[INFO] [stderr] body:
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Application Error
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/nalgebra/0.30.0/download` (99.84.160.69), got 503
[INFO] [stderr] body:
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Application Error
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/tagger/3.3.2/download` (99.84.160.69), got 503
[INFO] [stderr] body:
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Application Error
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/poloto/3.11.1/download` (99.84.160.69), got 503
[INFO] [stderr] body:
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Application Error
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/wide/0.7.3/download` (99.84.160.69), got 503
[INFO] [stderr] body:
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Application Error
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] warning: spurious network error (2 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/tagger/3.3.2/download` (99.84.160.69), got 503
[INFO] [stderr] body:
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Application Error
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] warning: spurious network error (2 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/nalgebra/0.30.0/download` (99.84.160.69), got 503
[INFO] [stderr] body:
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Application Error
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] warning: spurious network error (2 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/poloto/3.11.1/download` (99.84.160.69), got 503
[INFO] [stderr] body:
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Application Error
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] warning: spurious network error (2 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/wide/0.7.3/download` (99.84.160.69), got 503
[INFO] [stderr] body:
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Application Error
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Downloaded simba v0.7.0
[INFO] [stderr] warning: spurious network error (1 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/tagger/3.3.2/download` (99.84.160.69), got 503
[INFO] [stderr] body:
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Application Error
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Downloaded nalgebra v0.30.0
[INFO] [stderr] warning: spurious network error (1 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/poloto/3.11.1/download` (99.84.160.69), got 503
[INFO] [stderr] body:
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Application Error
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Downloaded wide v0.7.3
[INFO] [stderr] error: failed to download from `https://crates.io/api/v1/crates/poloto/3.11.1/download`
[INFO] [stderr]
[INFO] [stderr] Caused by:
[INFO] [stderr] failed to get successful HTTP response from `https://crates.io/api/v1/crates/poloto/3.11.1/download` (99.84.160.69), got 503
[INFO] [stderr] debug headers:
[INFO] [stderr] x-cache: Error from cloudfront
[INFO] [stderr] x-amz-cf-pop: ORD52-C2
[INFO] [stderr] x-amz-cf-id: JrjZGMwKgb3AH_kfgtP90kAiUM4JPc0dq08jrftXSprZNCl1bSG25g==
[INFO] [stderr] body:
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Application Error
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking sebasgarcep/kalman-filter-tutorial against try#b69bfeecc49bf5661cf54497638430035ff61aa4 for pr-119820
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebasgarcep%2Fkalman-filter-tutorial" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sebasgarcep/kalman-filter-tutorial on toolchain b69bfeecc49bf5661cf54497638430035ff61aa4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b69bfeecc49bf5661cf54497638430035ff61aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sebasgarcep/kalman-filter-tutorial
[INFO] finished tweaking git repo https://github.com/sebasgarcep/kalman-filter-tutorial
[INFO] tweaked toml for git repo https://github.com/sebasgarcep/kalman-filter-tutorial written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sebasgarcep/kalman-filter-tutorial 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" "+b69bfeecc49bf5661cf54497638430035ff61aa4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/tagger/3.3.2/download` (99.84.160.69), got 503
[INFO] [stderr] body:
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Application Error
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/poloto/3.11.1/download` (99.84.160.69), got 503
[INFO] [stderr] body:
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Application Error
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] warning: spurious network error (2 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/tagger/3.3.2/download` (99.84.160.69), got 503
[INFO] [stderr] body:
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Application Error
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr]
[INFO] [stderr] Downloaded poloto v3.11.1
[INFO] [stderr] Downloaded tagger v3.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b69bfeecc49bf5661cf54497638430035ff61aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b2422314b733165f4e4160e39dda092a849e1d405d6fce0bccee6ea5225f52a
[INFO] running `Command { std: "docker" "start" "-a" "9b2422314b733165f4e4160e39dda092a849e1d405d6fce0bccee6ea5225f52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b2422314b733165f4e4160e39dda092a849e1d405d6fce0bccee6ea5225f52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b2422314b733165f4e4160e39dda092a849e1d405d6fce0bccee6ea5225f52a", kill_on_drop: false }`
[INFO] [stdout] 9b2422314b733165f4e4160e39dda092a849e1d405d6fce0bccee6ea5225f52a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b69bfeecc49bf5661cf54497638430035ff61aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 305363990c8f427b38a72932ed39e8b7b98769219d269c362242a63d165c3957
[INFO] running `Command { std: "docker" "start" "-a" "305363990c8f427b38a72932ed39e8b7b98769219d269c362242a63d165c3957", kill_on_drop: false }`
[INFO] [stderr] Compiling autocfg v1.0.1
[INFO] [stderr] Compiling libm v0.2.1
[INFO] [stderr] Compiling libc v0.2.112
[INFO] [stderr] Compiling proc-macro2 v1.0.36
[INFO] [stderr] Compiling unicode-xid v0.2.2
[INFO] [stderr] Checking cfg-if v1.0.0
[INFO] [stderr] Checking bytemuck v1.7.3
[INFO] [stderr] Compiling syn v1.0.84
[INFO] [stderr] Compiling typenum v1.15.0
[INFO] [stderr] Checking ppv-lite86 v0.2.16
[INFO] [stderr] Compiling paste v1.0.6
[INFO] [stderr] Checking rawpointer v0.2.1
[INFO] [stderr] Checking tagger v3.3.2
[INFO] [stderr] Checking matrixmultiply v0.3.2
[INFO] [stderr] Checking poloto v3.11.1
[INFO] [stderr] Checking safe_arch v0.6.0
[INFO] [stderr] Compiling num-traits v0.2.14
[INFO] [stderr] Compiling num-integer v0.1.44
[INFO] [stderr] Compiling num-rational v0.4.0
[INFO] [stderr] Checking wide v0.7.3
[INFO] [stderr] Compiling quote v1.0.14
[INFO] [stderr] Checking getrandom v0.2.3
[INFO] [stderr] Checking rand_core v0.6.3
[INFO] [stderr] Checking rand_chacha v0.3.1
[INFO] [stderr] Checking rand v0.8.4
[INFO] [stderr] Checking num-complex v0.4.0
[INFO] [stderr] Checking approx v0.5.0
[INFO] [stderr] Checking simba v0.7.0
[INFO] [stderr] Checking rand_distr v0.4.2
[INFO] [stderr] Compiling nalgebra-macros v0.1.0
[INFO] [stderr] Checking nalgebra v0.30.0
[INFO] [stderr] Checking kalman-filter-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.08s
[INFO] running `Command { std: "docker" "inspect" "305363990c8f427b38a72932ed39e8b7b98769219d269c362242a63d165c3957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305363990c8f427b38a72932ed39e8b7b98769219d269c362242a63d165c3957", kill_on_drop: false }`
[INFO] [stdout] 305363990c8f427b38a72932ed39e8b7b98769219d269c362242a63d165c3957