[INFO] cloning repository https://github.com/krustlet/oci-distribution
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krustlet/oci-distribution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrustlet%2Foci-distribution", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrustlet%2Foci-distribution'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5fc5cde195b928660991b7826eb8434e5535e44
[INFO] checking krustlet/oci-distribution against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrustlet%2Foci-distribution" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krustlet/oci-distribution on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/krustlet/oci-distribution
[INFO] finished tweaking git repo https://github.com/krustlet/oci-distribution
[INFO] tweaked toml for git repo https://github.com/krustlet/oci-distribution written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40b743a5796d8e78c5c0687dd3f222bfea7c07304f643ec3eae9cd3ba5ec1d09
[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" "40b743a5796d8e78c5c0687dd3f222bfea7c07304f643ec3eae9cd3ba5ec1d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40b743a5796d8e78c5c0687dd3f222bfea7c07304f643ec3eae9cd3ba5ec1d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40b743a5796d8e78c5c0687dd3f222bfea7c07304f643ec3eae9cd3ba5ec1d09", kill_on_drop: false }`
[INFO] [stdout] 40b743a5796d8e78c5c0687dd3f222bfea7c07304f643ec3eae9cd3ba5ec1d09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 344afdbde487080057494f090ee2dff0aed8d24b547e2013097b7c863d661371
[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" "344afdbde487080057494f090ee2dff0aed8d24b547e2013097b7c863d661371", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling hyperx v1.4.0
[INFO] [stderr]     Checking language-tags v0.3.2
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling rstest v0.11.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking jwt v0.15.0
[INFO] [stderr]     Checking hyper v0.14.15
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.7
[INFO] [stderr]     Checking oci-distribution v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/www_authenticate/mod.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn new<C: Challenge>(c: C) -> Self {
[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: `new_from_raw`
[INFO] [stdout]   --> src/www_authenticate/mod.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn new_from_raw(scheme: String, raw: RawChallenge) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_raw`
[INFO] [stdout]   --> src/www_authenticate/mod.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn get_raw(&self, name: &str) -> Option<&[RawChallenge]> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/www_authenticate/mod.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn set<C: Challenge>(&mut self, c: C) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_raw`
[INFO] [stdout]   --> src/www_authenticate/mod.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn set_raw(&mut self, scheme: String, raw: RawChallenge) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]   --> src/www_authenticate/mod.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn append<C: Challenge>(&mut self, c: C) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_raw`
[INFO] [stdout]   --> src/www_authenticate/mod.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn append_raw(&mut self, scheme: String, raw: RawChallenge) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has`
[INFO] [stdout]    --> src/www_authenticate/mod.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn has<C: Challenge>(&self) -> bool {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/www_authenticate/mod.rs:231:16
[INFO] [stdout]     |
[INFO] [stdout] 231 |         pub fn len(&self) -> usize {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]    --> src/www_authenticate/mod.rs:238:16
[INFO] [stdout]     |
[INFO] [stdout] 238 |         pub fn clear(&mut self) {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/www_authenticate/mod.rs:241:16
[INFO] [stdout]     |
[INFO] [stdout] 241 |         pub fn get(&self, k: &str) -> Option<&String> {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_key`
[INFO] [stdout]    --> src/www_authenticate/mod.rs:248:16
[INFO] [stdout]     |
[INFO] [stdout] 248 |         pub fn contains_key(&self, k: &str) -> bool {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mut`
[INFO] [stdout]    --> src/www_authenticate/mod.rs:253:16
[INFO] [stdout]     |
[INFO] [stdout] 253 |         pub fn get_mut(&mut self, k: &str) -> Option<&mut String> {
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_quoting`
[INFO] [stdout]    --> src/www_authenticate/mod.rs:265:16
[INFO] [stdout]     |
[INFO] [stdout] 265 |         pub fn insert_quoting(&mut self, k: String, v: String) -> Option<String> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from_raw`
[INFO] [stdout]   --> src/www_authenticate/mod.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn new_from_raw(scheme: String, raw: RawChallenge) -> Self {
[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_raw`
[INFO] [stdout]   --> src/www_authenticate/mod.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn get_raw(&self, name: &str) -> Option<&[RawChallenge]> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_raw`
[INFO] [stdout]   --> src/www_authenticate/mod.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn set_raw(&mut self, scheme: String, raw: RawChallenge) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]   --> src/www_authenticate/mod.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn append<C: Challenge>(&mut self, c: C) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_raw`
[INFO] [stdout]   --> src/www_authenticate/mod.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn append_raw(&mut self, scheme: String, raw: RawChallenge) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has`
[INFO] [stdout]    --> src/www_authenticate/mod.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn has<C: Challenge>(&self) -> bool {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]    --> src/www_authenticate/mod.rs:238:16
[INFO] [stdout]     |
[INFO] [stdout] 238 |         pub fn clear(&mut self) {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_key`
[INFO] [stdout]    --> src/www_authenticate/mod.rs:248:16
[INFO] [stdout]     |
[INFO] [stdout] 248 |         pub fn contains_key(&self, k: &str) -> bool {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mut`
[INFO] [stdout]    --> src/www_authenticate/mod.rs:253:16
[INFO] [stdout]     |
[INFO] [stdout] 253 |         pub fn get_mut(&mut self, k: &str) -> Option<&mut String> {
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_quoting`
[INFO] [stdout]    --> src/www_authenticate/mod.rs:265:16
[INFO] [stdout]     |
[INFO] [stdout] 265 |         pub fn insert_quoting(&mut self, k: String, v: String) -> Option<String> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "344afdbde487080057494f090ee2dff0aed8d24b547e2013097b7c863d661371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "344afdbde487080057494f090ee2dff0aed8d24b547e2013097b7c863d661371", kill_on_drop: false }`
[INFO] [stdout] 344afdbde487080057494f090ee2dff0aed8d24b547e2013097b7c863d661371