[INFO] fetching crate fountaincode 0.0.8...
[INFO] checking fountaincode-0.0.8 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate fountaincode 0.0.8 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate fountaincode 0.0.8 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 crates.io crate fountaincode 0.0.8
[INFO] finished tweaking crates.io crate fountaincode 0.0.8
[INFO] tweaked toml for crates.io crate fountaincode 0.0.8 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 7e96b30e1f37cb3be50933d70f2620f8b9bac0680c2d4c0c771d3e9ed92ed94f
[INFO] running `Command { std: "docker" "start" "-a" "7e96b30e1f37cb3be50933d70f2620f8b9bac0680c2d4c0c771d3e9ed92ed94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e96b30e1f37cb3be50933d70f2620f8b9bac0680c2d4c0c771d3e9ed92ed94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e96b30e1f37cb3be50933d70f2620f8b9bac0680c2d4c0c771d3e9ed92ed94f", kill_on_drop: false }`
[INFO] [stdout] 7e96b30e1f37cb3be50933d70f2620f8b9bac0680c2d4c0c771d3e9ed92ed94f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c77eb2000e93a1d1098c690be5b54d6b5ea8652e0ab2c4fe0b94f129bbfe5b2e
[INFO] running `Command { std: "docker" "start" "-a" "c77eb2000e93a1d1098c690be5b54d6b5ea8652e0ab2c4fe0b94f129bbfe5b2e", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking fountaincode v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]  --> src/ltcode.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{Rng, sample, StdRng, SeedableRng};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]    --> src/ltcode.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     sample(&mut rng, 0..n, degree)
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]  --> src/ltcode.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{Rng, sample, StdRng, SeedableRng};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]    --> src/ltcode.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     sample(&mut rng, 0..n, degree)
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "c77eb2000e93a1d1098c690be5b54d6b5ea8652e0ab2c4fe0b94f129bbfe5b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77eb2000e93a1d1098c690be5b54d6b5ea8652e0ab2c4fe0b94f129bbfe5b2e", kill_on_drop: false }`
[INFO] [stdout] c77eb2000e93a1d1098c690be5b54d6b5ea8652e0ab2c4fe0b94f129bbfe5b2e