[INFO] cloning repository https://github.com/tychobrailleur/rusty-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tychobrailleur/rusty-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftychobrailleur%2Frusty-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftychobrailleur%2Frusty-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4e5943acd20a96518287950a135d72d3bd5fae0
[INFO] checking tychobrailleur/rusty-sandbox against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftychobrailleur%2Frusty-sandbox" "/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/tychobrailleur/rusty-sandbox on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tychobrailleur/rusty-sandbox
[INFO] finished tweaking git repo https://github.com/tychobrailleur/rusty-sandbox
[INFO] tweaked toml for git repo https://github.com/tychobrailleur/rusty-sandbox written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tychobrailleur/rusty-sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 701e1a74f3b4000cec12d52dd989197237e15edb0c14199f326956984452096b
[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" "701e1a74f3b4000cec12d52dd989197237e15edb0c14199f326956984452096b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "701e1a74f3b4000cec12d52dd989197237e15edb0c14199f326956984452096b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "701e1a74f3b4000cec12d52dd989197237e15edb0c14199f326956984452096b", kill_on_drop: false }`
[INFO] [stdout] 701e1a74f3b4000cec12d52dd989197237e15edb0c14199f326956984452096b
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 426c2f0dedc8364d92121329cbc2462ef8acba8d36f230ef09083b84148caed6
[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" "426c2f0dedc8364d92121329cbc2462ef8acba8d36f230ef09083b84148caed6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking rusty-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `rand::ChaChaRng::new_unseeded`: use the FromEntropy or SeedableRng trait
[INFO] [stdout]   --> src/bin/random.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut ra = ChaChaRng::new_unseeded();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::ChaChaRng::new_unseeded`: use the FromEntropy or SeedableRng trait
[INFO] [stdout]   --> src/bin/random.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut ra = ChaChaRng::new_unseeded();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.22s
[INFO] running `Command { std: "docker" "inspect" "426c2f0dedc8364d92121329cbc2462ef8acba8d36f230ef09083b84148caed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "426c2f0dedc8364d92121329cbc2462ef8acba8d36f230ef09083b84148caed6", kill_on_drop: false }`
[INFO] [stdout] 426c2f0dedc8364d92121329cbc2462ef8acba8d36f230ef09083b84148caed6