[INFO] cloning repository https://github.com/Leonti/kalman-filter-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Leonti/kalman-filter-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeonti%2Fkalman-filter-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeonti%2Fkalman-filter-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddbe4dca1fa2939db0b58951940ffab195529a6b
[INFO] checking Leonti/kalman-filter-playground against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeonti%2Fkalman-filter-playground" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Leonti/kalman-filter-playground on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Leonti/kalman-filter-playground
[INFO] finished tweaking git repo https://github.com/Leonti/kalman-filter-playground
[INFO] tweaked toml for git repo https://github.com/Leonti/kalman-filter-playground written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Leonti/kalman-filter-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rulinalg v0.4.2
[INFO] [stderr]   Downloaded csv-core v0.1.5
[INFO] [stderr]   Downloaded libc v0.2.55
[INFO] [stderr]   Downloaded csv v1.0.7
[INFO] [stderr]   Downloaded linearkalman v0.1.3
[INFO] [stderr]   Downloaded dcmimu v0.2.1
[INFO] [stderr]   Downloaded vega-lite v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6358623fbcaa8d6cbefe4c80fe4ffe3b8ed79abac5ca361576e56e54e098ecb6
[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" "6358623fbcaa8d6cbefe4c80fe4ffe3b8ed79abac5ca361576e56e54e098ecb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6358623fbcaa8d6cbefe4c80fe4ffe3b8ed79abac5ca361576e56e54e098ecb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6358623fbcaa8d6cbefe4c80fe4ffe3b8ed79abac5ca361576e56e54e098ecb6", kill_on_drop: false }`
[INFO] [stdout] 6358623fbcaa8d6cbefe4c80fe4ffe3b8ed79abac5ca361576e56e54e098ecb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 787ff0f2d6c3d881d4baa3ba35f8f6ea314db0a7b00892d76f1f704165e3aa35
[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" "787ff0f2d6c3d881d4baa3ba35f8f6ea314db0a7b00892d76f1f704165e3aa35", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]     Checking dcmimu v0.2.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking linearkalman v0.1.3
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]     Checking vega-lite v0.0.2
[INFO] [stderr]     Checking kalman-filter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.04s
[INFO] running `Command { std: "docker" "inspect" "787ff0f2d6c3d881d4baa3ba35f8f6ea314db0a7b00892d76f1f704165e3aa35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787ff0f2d6c3d881d4baa3ba35f8f6ea314db0a7b00892d76f1f704165e3aa35", kill_on_drop: false }`
[INFO] [stdout] 787ff0f2d6c3d881d4baa3ba35f8f6ea314db0a7b00892d76f1f704165e3aa35