[INFO] cloning repository https://github.com/stupidhuman/npct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stupidhuman/npct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstupidhuman%2Fnpct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstupidhuman%2Fnpct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ac0d2247f5ec01a6c65469668e828318ad38985
[INFO] testing stupidhuman/npct against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstupidhuman%2Fnpct" "/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/stupidhuman/npct on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stupidhuman/npct
[INFO] finished tweaking git repo https://github.com/stupidhuman/npct
[INFO] tweaked toml for git repo https://github.com/stupidhuman/npct written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/stupidhuman/npct already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6d79c1986a6834ae70d67a4e4d19dd938503b0b5f3fcd5dd066911de70b05ce
[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" "a6d79c1986a6834ae70d67a4e4d19dd938503b0b5f3fcd5dd066911de70b05ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6d79c1986a6834ae70d67a4e4d19dd938503b0b5f3fcd5dd066911de70b05ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d79c1986a6834ae70d67a4e4d19dd938503b0b5f3fcd5dd066911de70b05ce", kill_on_drop: false }`
[INFO] [stdout] a6d79c1986a6834ae70d67a4e4d19dd938503b0b5f3fcd5dd066911de70b05ce
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 318e4e746ed828d9a7a3c7bd1567a624d1beeb0f5e25e4a157519da892a83502
[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" "318e4e746ed828d9a7a3c7bd1567a624d1beeb0f5e25e4a157519da892a83502", kill_on_drop: false }`
[INFO] [stderr]    Compiling npct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/config/mod.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn from_args(mut args: env::Args) -> Result<Self, &'static str> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[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/config/mod.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn from_args(mut args: env::Args) -> Result<Self, &'static str> {
[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: field is never read: `dir`
[INFO] [stdout]   --> src/file_server/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     dir: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cache`
[INFO] [stdout]   --> src/file_server/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     cache: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]   --> src/file_server/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     port: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "318e4e746ed828d9a7a3c7bd1567a624d1beeb0f5e25e4a157519da892a83502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318e4e746ed828d9a7a3c7bd1567a624d1beeb0f5e25e4a157519da892a83502", kill_on_drop: false }`
[INFO] [stdout] 318e4e746ed828d9a7a3c7bd1567a624d1beeb0f5e25e4a157519da892a83502
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40078fac6573c227948f833ad6324e3560f845817435075162b33fb4ac01925f
[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" "40078fac6573c227948f833ad6324e3560f845817435075162b33fb4ac01925f", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/config/mod.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn from_args(mut args: env::Args) -> Result<Self, &'static str> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling npct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/config/mod.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn from_args(mut args: env::Args) -> Result<Self, &'static str> {
[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: field is never read: `dir`
[INFO] [stdout]   --> src/file_server/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     dir: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cache`
[INFO] [stdout]   --> src/file_server/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     cache: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]   --> src/file_server/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     port: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/config/mod.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn from_args(mut args: env::Args) -> Result<Self, &'static str> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[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/config/mod.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn from_args(mut args: env::Args) -> Result<Self, &'static str> {
[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: field is never read: `dir`
[INFO] [stdout]   --> src/file_server/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     dir: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cache`
[INFO] [stdout]   --> src/file_server/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     cache: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]   --> src/file_server/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     port: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "40078fac6573c227948f833ad6324e3560f845817435075162b33fb4ac01925f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40078fac6573c227948f833ad6324e3560f845817435075162b33fb4ac01925f", kill_on_drop: false }`
[INFO] [stdout] 40078fac6573c227948f833ad6324e3560f845817435075162b33fb4ac01925f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 89adf1e5637892d2f27145d7af126568777da632c2b73ecea55158240a1b6084
[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" "89adf1e5637892d2f27145d7af126568777da632c2b73ecea55158240a1b6084", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stdout] running 4 tests
[INFO] [stderr]   --> src/config/mod.rs:19:26
[INFO] [stdout] test config::test::it_works ... ok
[INFO] [stderr]    |
[INFO] [stdout] test help::test::it_works ... ok
[INFO] [stderr] 19 |     pub fn from_args(mut args: env::Args) -> Result<Self, &'static str> {
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/config/mod.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn from_args(mut args: env::Args) -> Result<Self, &'static str> {
[INFO] [stderr]    |                      ----^^^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dir`
[INFO] [stderr]   --> src/file_server/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     dir: &'static str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cache`
[INFO] [stderr]   --> src/file_server/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     cache: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `port`
[INFO] [stderr]   --> src/file_server/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     port: u32,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `npct` (lib) generated 5 warnings
[INFO] [stderr] warning: `npct` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/npct-c12c0b9713a57721)
[INFO] [stdout] test mock_server::test::it_works ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/npct-9cae64dec0d16175)
[INFO] [stdout] test file_server::test::it_works ... ok
[INFO] [stderr]    Doc-tests npct
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89adf1e5637892d2f27145d7af126568777da632c2b73ecea55158240a1b6084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89adf1e5637892d2f27145d7af126568777da632c2b73ecea55158240a1b6084", kill_on_drop: false }`
[INFO] [stdout] 89adf1e5637892d2f27145d7af126568777da632c2b73ecea55158240a1b6084