[INFO] cloning repository https://github.com/PizzaCrust/RustRbx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PizzaCrust/RustRbx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPizzaCrust%2FRustRbx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPizzaCrust%2FRustRbx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a0381dfc930b699b91e9e3e8c0042aa251b071c
[INFO] checking PizzaCrust/RustRbx against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPizzaCrust%2FRustRbx" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PizzaCrust/RustRbx on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PizzaCrust/RustRbx
[INFO] finished tweaking git repo https://github.com/PizzaCrust/RustRbx
[INFO] tweaked toml for git repo https://github.com/PizzaCrust/RustRbx written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/PizzaCrust/RustRbx already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8510483f6c49639b1eda1dcc98ae300c2585a28ef23725d41b1611f90aaeac62
[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" "8510483f6c49639b1eda1dcc98ae300c2585a28ef23725d41b1611f90aaeac62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8510483f6c49639b1eda1dcc98ae300c2585a28ef23725d41b1611f90aaeac62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8510483f6c49639b1eda1dcc98ae300c2585a28ef23725d41b1611f90aaeac62", kill_on_drop: false }`
[INFO] [stdout] 8510483f6c49639b1eda1dcc98ae300c2585a28ef23725d41b1611f90aaeac62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08bf0378d24dae327bba6429bcea03c513f0093a87c5a5f912455d75ee34c036
[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" "08bf0378d24dae327bba6429bcea03c513f0093a87c5a5f912455d75ee34c036", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking encoding_rs v0.8.23
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.38
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.7
[INFO] [stderr]     Checking RustRbx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AsyncItemIterator`, `AsyncTimeline`
[INFO] [stdout]  --> src/main.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rustrbx::{AsyncTimeline, AsyncItemIterator};
[INFO] [stdout]   |               ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncItemIterator`, `AsyncTimeline`
[INFO] [stdout]  --> src/main.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rustrbx::{AsyncTimeline, AsyncItemIterator};
[INFO] [stdout]   |               ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut index = 1;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut index = 1;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut index = 1;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut index = 1;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "08bf0378d24dae327bba6429bcea03c513f0093a87c5a5f912455d75ee34c036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08bf0378d24dae327bba6429bcea03c513f0093a87c5a5f912455d75ee34c036", kill_on_drop: false }`
[INFO] [stdout] 08bf0378d24dae327bba6429bcea03c513f0093a87c5a5f912455d75ee34c036