[INFO] cloning repository https://github.com/JesseAbram/rust-workshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JesseAbram/rust-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJesseAbram%2Frust-workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJesseAbram%2Frust-workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da8b99db2177ac6306600caaeb175a6620c207ac
[INFO] checking JesseAbram/rust-workshop against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJesseAbram%2Frust-workshop" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JesseAbram/rust-workshop 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 git repo https://github.com/JesseAbram/rust-workshop
[INFO] finished tweaking git repo https://github.com/JesseAbram/rust-workshop
[INFO] tweaked toml for git repo https://github.com/JesseAbram/rust-workshop written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/JesseAbram/rust-workshop already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 86126299bdfd5346d91a98842886730a88ffbecaef9be52e233a0cce788a934d
[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" "86126299bdfd5346d91a98842886730a88ffbecaef9be52e233a0cce788a934d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86126299bdfd5346d91a98842886730a88ffbecaef9be52e233a0cce788a934d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86126299bdfd5346d91a98842886730a88ffbecaef9be52e233a0cce788a934d", kill_on_drop: false }`
[INFO] [stdout] 86126299bdfd5346d91a98842886730a88ffbecaef9be52e233a0cce788a934d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 536d84be341ce8a7da8d983fe69f94181a042ff2eb460efd1a16dbd6d488623b
[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" "536d84be341ce8a7da8d983fe69f94181a042ff2eb460efd1a16dbd6d488623b", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling actix-web-codegen v0.1.3
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]     Checking actix-utils v0.4.7
[INFO] [stderr]     Checking actix-server-config v0.1.2
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling const-random-macro v0.1.6
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking const-random v0.1.6
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking actix-threadpool v0.1.2
[INFO] [stderr]     Checking actix-rt v0.2.6
[INFO] [stderr]     Checking actix-server v0.6.1
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking actix-testing v0.1.0
[INFO] [stderr]     Checking actix-connect v0.2.5
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking actix-http v0.2.11
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking askama_shared v0.8.0
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]    Compiling askama_derive v0.8.0
[INFO] [stderr]     Checking awc v0.2.8
[INFO] [stderr]     Checking actix-web v1.0.8
[INFO] [stderr]     Checking askama v0.8.0
[INFO] [stderr]     Checking rust-workshop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "536d84be341ce8a7da8d983fe69f94181a042ff2eb460efd1a16dbd6d488623b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536d84be341ce8a7da8d983fe69f94181a042ff2eb460efd1a16dbd6d488623b", kill_on_drop: false }`
[INFO] [stdout] 536d84be341ce8a7da8d983fe69f94181a042ff2eb460efd1a16dbd6d488623b