[INFO] cloning repository https://github.com/mindstorm38/fastmc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mindstorm38/fastmc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindstorm38%2Ffastmc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindstorm38%2Ffastmc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4db0e2f3cf5d793da7b6bc4c33afbbb6259a0b53
[INFO] checking mindstorm38/fastmc against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindstorm38%2Ffastmc" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mindstorm38/fastmc on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mindstorm38/fastmc
[INFO] finished tweaking git repo https://github.com/mindstorm38/fastmc
[INFO] tweaked toml for git repo https://github.com/mindstorm38/fastmc written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mindstorm38/fastmc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07350cd48228a84317df0348d4fef99eebae3d0bb85a94463def14e0837e4cbe
[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" "07350cd48228a84317df0348d4fef99eebae3d0bb85a94463def14e0837e4cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07350cd48228a84317df0348d4fef99eebae3d0bb85a94463def14e0837e4cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07350cd48228a84317df0348d4fef99eebae3d0bb85a94463def14e0837e4cbe", kill_on_drop: false }`
[INFO] [stdout] 07350cd48228a84317df0348d4fef99eebae3d0bb85a94463def14e0837e4cbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93b2dc6ab928b8a6b09eef87fbc07e38c003e4fb67a2df3566ced62b218491ff
[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" "93b2dc6ab928b8a6b09eef87fbc07e38c003e4fb67a2df3566ced62b218491ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking chunked_transfer v1.3.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rpassword v5.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking ureq v1.5.1
[INFO] [stderr]     Checking fastmc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde_json::Error`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_json::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArgMatches`
[INFO] [stdout]  --> src/main.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{App, Arg, SubCommand, ArgMatches};
[INFO] [stdout]   |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Map`, `Result as JsonResult`
[INFO] [stdout]  --> src/mc/auth.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_json::{Value, Map, Result as JsonResult};
[INFO] [stdout]   |                         ^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Error`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_json::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArgMatches`
[INFO] [stdout]  --> src/main.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{App, Arg, SubCommand, ArgMatches};
[INFO] [stdout]   |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Map`, `Result as JsonResult`
[INFO] [stdout]  --> src/mc/auth.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_json::{Value, Map, Result as JsonResult};
[INFO] [stdout]   |                         ^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/mc/manifest.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn from(s: &str) -> JsonResult<VersionManifest> {
[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: `get_version`
[INFO] [stdout]   --> src/mc/manifest.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn get_version(&self, version_id: &str) -> Option<&VersionEntry> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `validate`
[INFO] [stdout]   --> src/mc/auth.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn validate(&self) -> AuthResult<bool> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `refresh`
[INFO] [stdout]   --> src/mc/auth.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn refresh(&mut self) -> AuthResult<()> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `invalidate`
[INFO] [stdout]   --> src/mc/auth.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn invalidate(&self) -> AuthResult<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/mc/manifest.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn from(s: &str) -> JsonResult<VersionManifest> {
[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: `get_version`
[INFO] [stdout]   --> src/mc/manifest.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn get_version(&self, version_id: &str) -> Option<&VersionEntry> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `validate`
[INFO] [stdout]   --> src/mc/auth.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn validate(&self) -> AuthResult<bool> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `refresh`
[INFO] [stdout]   --> src/mc/auth.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn refresh(&mut self) -> AuthResult<()> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `invalidate`
[INFO] [stdout]   --> src/mc/auth.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn invalidate(&self) -> AuthResult<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "93b2dc6ab928b8a6b09eef87fbc07e38c003e4fb67a2df3566ced62b218491ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b2dc6ab928b8a6b09eef87fbc07e38c003e4fb67a2df3566ced62b218491ff", kill_on_drop: false }`
[INFO] [stdout] 93b2dc6ab928b8a6b09eef87fbc07e38c003e4fb67a2df3566ced62b218491ff