[INFO] cloning repository https://github.com/arkeo-ca/cart
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arkeo-ca/cart" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farkeo-ca%2Fcart", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farkeo-ca%2Fcart'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f81b2d7d9d87f7cf7b617b121ff6c5cd1936a11
[INFO] checking arkeo-ca/cart against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farkeo-ca%2Fcart" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arkeo-ca/cart on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arkeo-ca/cart
[INFO] finished tweaking git repo https://github.com/arkeo-ca/cart
[INFO] tweaked toml for git repo https://github.com/arkeo-ca/cart written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/arkeo-ca/cart already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de9a65f2a0c2b98bab8837f57345fab9f24c6a4c21f480a35fb1c36a6cf00077
[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" "de9a65f2a0c2b98bab8837f57345fab9f24c6a4c21f480a35fb1c36a6cf00077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de9a65f2a0c2b98bab8837f57345fab9f24c6a4c21f480a35fb1c36a6cf00077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9a65f2a0c2b98bab8837f57345fab9f24c6a4c21f480a35fb1c36a6cf00077", kill_on_drop: false }`
[INFO] [stdout] de9a65f2a0c2b98bab8837f57345fab9f24c6a4c21f480a35fb1c36a6cf00077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48f94dc2cc3d9e47a403bab204f0527054323d90bbc2fdea22fd98b9336d4b4c
[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" "48f94dc2cc3d9e47a403bab204f0527054323d90bbc2fdea22fd98b9336d4b4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking libflate_lz77 v1.1.0
[INFO] [stderr]     Checking libflate v1.1.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking cart v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `istream`
[INFO] [stdout]   --> src/lib.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn unpack_stream(istream: impl Read, ostream: impl Write, arc4_key_override: Option<Vec<u8>>) {
[INFO] [stdout]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_istream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ostream`
[INFO] [stdout]   --> src/lib.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn unpack_stream(istream: impl Read, ostream: impl Write, arc4_key_override: Option<Vec<u8>>) {
[INFO] [stdout]    |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ostream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arc4_key_override`
[INFO] [stdout]   --> src/lib.rs:31:63
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn unpack_stream(istream: impl Read, ostream: impl Write, arc4_key_override: Option<Vec<u8>>) {
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arc4_key_override`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i_path`
[INFO] [stdout]   --> src/lib.rs:46:20
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn unpack_file(i_path: &str, o_path: &str, arc4_key_override: Option<Vec<u8>>) {
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_i_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o_path`
[INFO] [stdout]   --> src/lib.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn unpack_file(i_path: &str, o_path: &str, arc4_key_override: Option<Vec<u8>>) {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_o_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arc4_key_override`
[INFO] [stdout]   --> src/lib.rs:46:48
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn unpack_file(i_path: &str, o_path: &str, arc4_key_override: Option<Vec<u8>>) {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arc4_key_override`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i_path`
[INFO] [stdout]   --> src/lib.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn get_metadata_only(i_path: &str, arc4_key_override: Option<Vec<u8>>) {
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_i_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arc4_key_override`
[INFO] [stdout]   --> src/lib.rs:50:40
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn get_metadata_only(i_path: &str, arc4_key_override: Option<Vec<u8>>) {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arc4_key_override`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]   --> src/lib.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn is_cart(buffer: impl Read) -> bool {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `istream`
[INFO] [stdout]   --> src/lib.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn unpack_stream(istream: impl Read, ostream: impl Write, arc4_key_override: Option<Vec<u8>>) {
[INFO] [stdout]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_istream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ostream`
[INFO] [stdout]   --> src/lib.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn unpack_stream(istream: impl Read, ostream: impl Write, arc4_key_override: Option<Vec<u8>>) {
[INFO] [stdout]    |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ostream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arc4_key_override`
[INFO] [stdout]   --> src/lib.rs:31:63
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn unpack_stream(istream: impl Read, ostream: impl Write, arc4_key_override: Option<Vec<u8>>) {
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arc4_key_override`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i_path`
[INFO] [stdout]   --> src/lib.rs:46:20
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn unpack_file(i_path: &str, o_path: &str, arc4_key_override: Option<Vec<u8>>) {
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_i_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o_path`
[INFO] [stdout]   --> src/lib.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn unpack_file(i_path: &str, o_path: &str, arc4_key_override: Option<Vec<u8>>) {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_o_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arc4_key_override`
[INFO] [stdout]   --> src/lib.rs:46:48
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn unpack_file(i_path: &str, o_path: &str, arc4_key_override: Option<Vec<u8>>) {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arc4_key_override`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i_path`
[INFO] [stdout]   --> src/lib.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn get_metadata_only(i_path: &str, arc4_key_override: Option<Vec<u8>>) {
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_i_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arc4_key_override`
[INFO] [stdout]   --> src/lib.rs:50:40
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn get_metadata_only(i_path: &str, arc4_key_override: Option<Vec<u8>>) {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arc4_key_override`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]   --> src/lib.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn is_cart(buffer: impl Read) -> bool {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.78s
[INFO] running `Command { std: "docker" "inspect" "48f94dc2cc3d9e47a403bab204f0527054323d90bbc2fdea22fd98b9336d4b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f94dc2cc3d9e47a403bab204f0527054323d90bbc2fdea22fd98b9336d4b4c", kill_on_drop: false }`
[INFO] [stdout] 48f94dc2cc3d9e47a403bab204f0527054323d90bbc2fdea22fd98b9336d4b4c