[INFO] cloning repository https://github.com/Team-Zinc/Hydrogen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Team-Zinc/Hydrogen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTeam-Zinc%2FHydrogen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTeam-Zinc%2FHydrogen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d98eb4c491c579f018c1fbe55d36edc0aba45396
[INFO] checking Team-Zinc/Hydrogen against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTeam-Zinc%2FHydrogen" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Team-Zinc/Hydrogen 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/Team-Zinc/Hydrogen
[INFO] finished tweaking git repo https://github.com/Team-Zinc/Hydrogen
[INFO] tweaked toml for git repo https://github.com/Team-Zinc/Hydrogen written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Team-Zinc/Hydrogen 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 79db7af5fde9bfa94d1a39a7c5b9dd379293ee0f71b8f10cee977e148c0e35b1
[INFO] running `Command { std: "docker" "start" "-a" "79db7af5fde9bfa94d1a39a7c5b9dd379293ee0f71b8f10cee977e148c0e35b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79db7af5fde9bfa94d1a39a7c5b9dd379293ee0f71b8f10cee977e148c0e35b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79db7af5fde9bfa94d1a39a7c5b9dd379293ee0f71b8f10cee977e148c0e35b1", kill_on_drop: false }`
[INFO] [stdout] 79db7af5fde9bfa94d1a39a7c5b9dd379293ee0f71b8f10cee977e148c0e35b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d0e1e42a614f65cd11778d6fbbe118a20ff21f79f1a20bde78abc7489aa2acdf
[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" "d0e1e42a614f65cd11778d6fbbe118a20ff21f79f1a20bde78abc7489aa2acdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking seahash v3.0.7
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking inflections v1.1.1
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking path-clean v0.1.0
[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
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[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking dialoguer v0.6.2
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Checking fasthash v0.4.0
[INFO] [stderr]    Compiling snafu-derive v0.6.9
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking snafu v0.6.9
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking flame v0.2.2
[INFO] [stderr]     Checking hy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `PathClean`, `clean`
[INFO] [stdout]  --> src/actual/project_dependency.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use path_clean::{clean, PathClean};
[INFO] [stdout]   |                  ^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ResultExt`, `Snafu`
[INFO] [stdout]  --> src/actual/project_dependency.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use snafu::{ResultExt, Snafu};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf`, `Path`
[INFO] [stdout]  --> src/actual/project_dependency.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `env`, `fs`, `io`
[INFO] [stdout]  --> src/actual/project_dependency.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{env, fs, io};
[INFO] [stdout]   |           ^^^  ^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::project`
[INFO] [stdout]  --> src/actual/project_dependency.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::project;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::project::ProjectError`
[INFO] [stdout]   --> src/actual/project_dependency.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::project::ProjectError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `snafu::ResultExt`
[INFO] [stdout]  --> src/actual/real_actual/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use snafu::ResultExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathClean`, `clean`
[INFO] [stdout]  --> src/actual/project_dependency.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use path_clean::{clean, PathClean};
[INFO] [stdout]   |                  ^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ResultExt`, `Snafu`
[INFO] [stdout]  --> src/actual/project_dependency.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use snafu::{ResultExt, Snafu};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf`, `Path`
[INFO] [stdout]  --> src/actual/project_dependency.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `env`, `fs`, `io`
[INFO] [stdout]  --> src/actual/project_dependency.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{env, fs, io};
[INFO] [stdout]   |           ^^^  ^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::project`
[INFO] [stdout]  --> src/actual/project_dependency.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::project;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::project::ProjectError`
[INFO] [stdout]   --> src/actual/project_dependency.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::project::ProjectError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `snafu::ResultExt`
[INFO] [stdout]  --> src/actual/real_actual/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use snafu::ResultExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_children`
[INFO] [stdout]   --> src/actual/real_actual/mod.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn read_children(&mut self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_children`
[INFO] [stdout]   --> src/actual/real_actual/mod.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn parse_children(&mut self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `apply_dynamic`
[INFO] [stdout]   --> src/actual/real_actual/mod.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn apply_dynamic(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_children`
[INFO] [stdout]   --> src/actual/real_actual/mod.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn read_children(&mut self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_children`
[INFO] [stdout]   --> src/actual/real_actual/mod.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn parse_children(&mut self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `apply_dynamic`
[INFO] [stdout]   --> src/actual/real_actual/mod.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn apply_dynamic(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.22s
[INFO] running `Command { std: "docker" "inspect" "d0e1e42a614f65cd11778d6fbbe118a20ff21f79f1a20bde78abc7489aa2acdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e1e42a614f65cd11778d6fbbe118a20ff21f79f1a20bde78abc7489aa2acdf", kill_on_drop: false }`
[INFO] [stdout] d0e1e42a614f65cd11778d6fbbe118a20ff21f79f1a20bde78abc7489aa2acdf