[INFO] fetching crate cereal_lib 2.1.1...
[INFO] checking cereal_lib-2.1.1 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate cereal_lib 2.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate cereal_lib 2.1.1 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cereal_lib 2.1.1
[INFO] finished tweaking crates.io crate cereal_lib 2.1.1
[INFO] tweaked toml for crates.io crate cereal_lib 2.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5da429f42bc25b20464e7964d22bb975b22e627d6c616318f4ff3e3f8e438dac
[INFO] running `Command { std: "docker" "start" "-a" "5da429f42bc25b20464e7964d22bb975b22e627d6c616318f4ff3e3f8e438dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5da429f42bc25b20464e7964d22bb975b22e627d6c616318f4ff3e3f8e438dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5da429f42bc25b20464e7964d22bb975b22e627d6c616318f4ff3e3f8e438dac", kill_on_drop: false }`
[INFO] [stdout] 5da429f42bc25b20464e7964d22bb975b22e627d6c616318f4ff3e3f8e438dac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1148c7f3450931d3aaa26de6ff6738ab2710f76250d5d28aa43677673403117b
[INFO] running `Command { std: "docker" "start" "-a" "1148c7f3450931d3aaa26de6ff6738ab2710f76250d5d28aa43677673403117b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking statistical v1.0.0
[INFO] [stderr]     Checking cereal_lib v2.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `mean`, `median`, `max`, `min`, and `cache` are never read
[INFO] [stdout]   --> src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct CerealResults {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 41 |     data: Vec<i32>,
[INFO] [stdout] 42 |     mean: Option<f64>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 43 |     median: Option<i32>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 44 |     max: Option<i32>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 45 |     min: Option<i32>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 46 |     cache: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CerealResults` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mean`, `median`, `max`, `min`, and `cache` are never read
[INFO] [stdout]   --> src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct CerealResults {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 41 |     data: Vec<i32>,
[INFO] [stdout] 42 |     mean: Option<f64>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 43 |     median: Option<i32>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 44 |     max: Option<i32>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 45 |     min: Option<i32>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 46 |     cache: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CerealResults` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "1148c7f3450931d3aaa26de6ff6738ab2710f76250d5d28aa43677673403117b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1148c7f3450931d3aaa26de6ff6738ab2710f76250d5d28aa43677673403117b", kill_on_drop: false }`
[INFO] [stdout] 1148c7f3450931d3aaa26de6ff6738ab2710f76250d5d28aa43677673403117b
