[INFO] cloning repository https://github.com/ndtai772/networking_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ndtai772/networking_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndtai772%2Fnetworking_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndtai772%2Fnetworking_challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0e04e3cf9824ba12b2192f485d8e8bd2d7a3557
[INFO] testing ndtai772/networking_challenges against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndtai772%2Fnetworking_challenges" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ndtai772/networking_challenges on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ndtai772/networking_challenges
[INFO] finished tweaking git repo https://github.com/ndtai772/networking_challenges
[INFO] tweaked toml for git repo https://github.com/ndtai772/networking_challenges written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ndtai772/networking_challenges already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43877bb6c618ba1317997e3a81b9d3242f517d8c8fc7932df68b6dc605f8b8cb
[INFO] running `Command { std: "docker" "start" "-a" "43877bb6c618ba1317997e3a81b9d3242f517d8c8fc7932df68b6dc605f8b8cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43877bb6c618ba1317997e3a81b9d3242f517d8c8fc7932df68b6dc605f8b8cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43877bb6c618ba1317997e3a81b9d3242f517d8c8fc7932df68b6dc605f8b8cb", kill_on_drop: false }`
[INFO] [stdout] 43877bb6c618ba1317997e3a81b9d3242f517d8c8fc7932df68b6dc605f8b8cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90ec8e0d94dad07e9cc7130222d7a17b2f2fc71183f83e63eac771fe8aaf38e1
[INFO] running `Command { std: "docker" "start" "-a" "90ec8e0d94dad07e9cc7130222d7a17b2f2fc71183f83e63eac771fe8aaf38e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling networking_challenges v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |           bytes
[INFO] [stdout]    |  ______________^
[INFO] [stdout] 14 | |             .clone()
[INFO] [stdout]    | |____________________^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "90ec8e0d94dad07e9cc7130222d7a17b2f2fc71183f83e63eac771fe8aaf38e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ec8e0d94dad07e9cc7130222d7a17b2f2fc71183f83e63eac771fe8aaf38e1", kill_on_drop: false }`
[INFO] [stdout] 90ec8e0d94dad07e9cc7130222d7a17b2f2fc71183f83e63eac771fe8aaf38e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1de43f70f0e8c3d97760ae898aa790c7c253baab642cf6adcccb2b3ecc3ed463
[INFO] running `Command { std: "docker" "start" "-a" "1de43f70f0e8c3d97760ae898aa790c7c253baab642cf6adcccb2b3ecc3ed463", kill_on_drop: false }`
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |           bytes
[INFO] [stdout]    |  ______________^
[INFO] [stdout] 14 | |             .clone()
[INFO] [stdout]    | |____________________^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling networking_challenges v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |           bytes
[INFO] [stdout]    |  ______________^
[INFO] [stdout] 14 | |             .clone()
[INFO] [stdout]    | |____________________^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "1de43f70f0e8c3d97760ae898aa790c7c253baab642cf6adcccb2b3ecc3ed463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de43f70f0e8c3d97760ae898aa790c7c253baab642cf6adcccb2b3ecc3ed463", kill_on_drop: false }`
[INFO] [stdout] 1de43f70f0e8c3d97760ae898aa790c7c253baab642cf6adcccb2b3ecc3ed463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80dde84ec8d36f298a1d31e350802d2394d9efe3cf04d331a870a93b602d3b73
[INFO] running `Command { std: "docker" "start" "-a" "80dde84ec8d36f298a1d31e350802d2394d9efe3cf04d331a870a93b602d3b73", kill_on_drop: false }`
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/lib.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 |           bytes
[INFO] [stderr]    |  ______________^
[INFO] [stderr] 14 | |             .clone()
[INFO] [stderr]    | |____________________^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `networking_challenges` (lib) generated 1 warning (run `cargo fix --lib -p networking_challenges` to apply 1 suggestion)
[INFO] [stderr] warning: `networking_challenges` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/networking_challenges-ad44f27442f3d1ea)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test solve::test::plus_test ... ok
[INFO] [stdout] test solve::test::poly_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/networking_challenges-8c81c6357645c125)
[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] [stderr]    Doc-tests networking_challenges
[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" "80dde84ec8d36f298a1d31e350802d2394d9efe3cf04d331a870a93b602d3b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80dde84ec8d36f298a1d31e350802d2394d9efe3cf04d331a870a93b602d3b73", kill_on_drop: false }`
[INFO] [stdout] 80dde84ec8d36f298a1d31e350802d2394d9efe3cf04d331a870a93b602d3b73
[INFO] testing ndtai772/networking_challenges against try#33f1d8bb92813a1bfc23c093c9f443ab09290307 for pr-128400
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndtai772%2Fnetworking_challenges" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ndtai772/networking_challenges on toolchain 33f1d8bb92813a1bfc23c093c9f443ab09290307
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ndtai772/networking_challenges
[INFO] finished tweaking git repo https://github.com/ndtai772/networking_challenges
[INFO] tweaked toml for git repo https://github.com/ndtai772/networking_challenges written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ndtai772/networking_challenges already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ce0c850e8a4f0cd5768b3cde97f3bb26fd65ed9ad6a47e6dfc34eeaabe37e26
[INFO] running `Command { std: "docker" "start" "-a" "9ce0c850e8a4f0cd5768b3cde97f3bb26fd65ed9ad6a47e6dfc34eeaabe37e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ce0c850e8a4f0cd5768b3cde97f3bb26fd65ed9ad6a47e6dfc34eeaabe37e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ce0c850e8a4f0cd5768b3cde97f3bb26fd65ed9ad6a47e6dfc34eeaabe37e26", kill_on_drop: false }`
[INFO] [stdout] 9ce0c850e8a4f0cd5768b3cde97f3bb26fd65ed9ad6a47e6dfc34eeaabe37e26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7757ea2ec17429fe80471084ae0345059d95215ab94ec4e4e3eeb3e9f89c1ab6
[INFO] running `Command { std: "docker" "start" "-a" "7757ea2ec17429fe80471084ae0345059d95215ab94ec4e4e3eeb3e9f89c1ab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling networking_challenges v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |           bytes
[INFO] [stdout]    |  ______________^
[INFO] [stdout] 14 | |             .clone()
[INFO] [stdout]    | |____________________^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "7757ea2ec17429fe80471084ae0345059d95215ab94ec4e4e3eeb3e9f89c1ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7757ea2ec17429fe80471084ae0345059d95215ab94ec4e4e3eeb3e9f89c1ab6", kill_on_drop: false }`
[INFO] [stdout] 7757ea2ec17429fe80471084ae0345059d95215ab94ec4e4e3eeb3e9f89c1ab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbffcddc90d107ff296e6fcaf182e513554a9729374d29cba021cf6ca529ff2e
[INFO] running `Command { std: "docker" "start" "-a" "dbffcddc90d107ff296e6fcaf182e513554a9729374d29cba021cf6ca529ff2e", kill_on_drop: false }`
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |           bytes
[INFO] [stdout]    |  ______________^
[INFO] [stdout] 14 | |             .clone()
[INFO] [stdout]    | |____________________^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling networking_challenges v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |           bytes
[INFO] [stdout]    |  ______________^
[INFO] [stdout] 14 | |             .clone()
[INFO] [stdout]    | |____________________^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `networking_challenges` (lib test); 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcJPFL9Y/symbols.o" "/opt/rustwide/target/debug/deps/networking_challenges-8c81c6357645c125.networking_challenges.87457ac26414508d-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/networking_challenges-8c81c6357645c125.ayhdk8o1u2d64nz6qef1qw5kx.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-d2aabef62695c36a.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-85ffb1adee1b6de7.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-47c1d1c97d43fb9c.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-767d58143f86b11a.rlib" "/opt/rustwide/target/debug/deps/libnetworking_challenges-279671b1d7886398.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9506e3738f23e7c7.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0e87bdc388165b9b.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-28d2ee21ffecbcd0.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-4cd64c3d9fc2560b.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a1fedeceba4cc892.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-0b8915cbc76cd410.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-fec2ce82fc5b17fa.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fdb02324b55b2840.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-db981ef273c68b12.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2c4968ed4cb29e9c.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-661cdd70a5b83118.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbb3bfdc8e63ca5.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-a4c5ad4392a26401.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-9409cd7d030362b9.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-7b90a2705bcf265b.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-80d2f129fb536a6f.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f72b956e24d1de70.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7586cb84705120bb.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-L" "/opt/rustwide/rustup-home/toolchains/33f1d8bb92813a1bfc23c093c9f443ab09290307/lib/rustlib/x86_64-unknown-linux-gnu/lib/self-contained" "-o" "/opt/rustwide/target/debug/deps/networking_challenges-8c81c6357645c125" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `networking_challenges` (bin "networking_challenges" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "dbffcddc90d107ff296e6fcaf182e513554a9729374d29cba021cf6ca529ff2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbffcddc90d107ff296e6fcaf182e513554a9729374d29cba021cf6ca529ff2e", kill_on_drop: false }`
[INFO] [stdout] dbffcddc90d107ff296e6fcaf182e513554a9729374d29cba021cf6ca529ff2e