[INFO] cloning repository https://github.com/l0udl0ve/os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/l0udl0ve/os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl0udl0ve%2Fos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl0udl0ve%2Fos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3321d0663fbdb33096431f630afcbe3505cc623
[INFO] checking l0udl0ve/os against try#7dabc88a3b6768751847baeb49983f31ac5f20e2 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl0udl0ve%2Fos" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/l0udl0ve/os
[INFO] finished tweaking git repo https://github.com/l0udl0ve/os
[INFO] tweaked toml for git repo https://github.com/l0udl0ve/os written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/l0udl0ve/os on toolchain 7dabc88a3b6768751847baeb49983f31ac5f20e2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/l0udl0ve/os 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" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54fd8d1b45a4762fee881197ccc2b371771361fa100e806bd18fca36438a844d
[INFO] running `Command { std: "docker" "start" "-a" "54fd8d1b45a4762fee881197ccc2b371771361fa100e806bd18fca36438a844d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54fd8d1b45a4762fee881197ccc2b371771361fa100e806bd18fca36438a844d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54fd8d1b45a4762fee881197ccc2b371771361fa100e806bd18fca36438a844d", kill_on_drop: false }`
[INFO] [stdout] 54fd8d1b45a4762fee881197ccc2b371771361fa100e806bd18fca36438a844d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a20565c272aa9bae2f62effad09836c978aeee57c2cce2a38aa5ec4c39e70b71
[INFO] running `Command { std: "docker" "start" "-a" "a20565c272aa9bae2f62effad09836c978aeee57c2cce2a38aa5ec4c39e70b71", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking http v0.1.0 (/opt/rustwide/workdir/http)
[INFO] [stderr]     Checking s2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stdout] warning: value assigned to `body` is never read
[INFO] [stdout]   --> http/src/httpresponse.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut body = None;
[INFO] [stdout]    |                        ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 70 |         body = Some(lines.collect::<Vec<&str>>().join("\r\n"));
[INFO] [stdout]    |         ---- `body` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `body` is never read
[INFO] [stdout]   --> http/src/httpresponse.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut body = None;
[INFO] [stdout]    |                        ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 70 |         body = Some(lines.collect::<Vec<&str>>().join("\r\n"));
[INFO] [stdout]    |         ---- `body` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking der v0.7.9
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking pkcs1 v0.7.5
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling serde_with_macros v3.11.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking serde_with v3.11.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-dig-0.8.4/src/bigrand.rs:319:25
[INFO] [stdout]     |
[INFO] [stdout] 319 |         let mut bytes = vec![0u8; bytes_len];
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-dig-0.8.4/src/prime.rs:138:22
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let mut moduli = vec![BigUint::zero(); prime_limit];
[INFO] [stdout]     |                      ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   4 + use alloc::vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-dig-0.8.4/src/biguint.rs:2574:21
[INFO] [stdout]      |
[INFO] [stdout] 2574 |                     vec![*n as u32, (n >> 32) as u32]
[INFO] [stdout]      |                     ^^^
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]      |
[INFO] [stdout]    1 + use alloc::vec;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-dig-0.8.4/src/biguint.rs:2572:21
[INFO] [stdout]      |
[INFO] [stdout] 2572 |                     vec![*n as u32]
[INFO] [stdout]      |                     ^^^
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]      |
[INFO] [stdout]    1 + use alloc::vec;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-dig-0.8.4/src/biguint.rs:2313:13
[INFO] [stdout]      |
[INFO] [stdout] 2313 |             vec![0]
[INFO] [stdout]      |             ^^^
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]      |
[INFO] [stdout]    1 + use alloc::vec;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-dig-0.8.4/src/biguint.rs:2027:16
[INFO] [stdout]      |
[INFO] [stdout] 2027 |         return vec![b'0'];
[INFO] [stdout]      |                ^^^
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]      |
[INFO] [stdout]    1 + use alloc::vec;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-dig-0.8.4/src/biguint.rs:2005:9
[INFO] [stdout]      |
[INFO] [stdout] 2005 |         vec![0]
[INFO] [stdout]      |         ^^^
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]      |
[INFO] [stdout]    1 + use alloc::vec;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-dig-0.8.4/src/biguint.rs:490:22
[INFO] [stdout]     |
[INFO] [stdout] 490 |         BigUint::new(vec![1])
[INFO] [stdout]     |                      ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use alloc::vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking service v0.1.0 (/opt/rustwide/workdir/service)
[INFO] [stdout] warning: struct `Message` is never constructed
[INFO] [stdout]  --> service/src/serialization_json.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Message {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serde_obj` is never used
[INFO] [stdout]   --> service/src/serialization_json.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn serde_obj(mes: Message) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deserder_obj` is never used
[INFO] [stdout]   --> service/src/serialization_json.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn deserder_obj(request: String) -> Message {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serde_vec` is never used
[INFO] [stdout]   --> service/src/serialization_json.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn serde_vec(numbers: Vec<u8>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deserder_vec` is never used
[INFO] [stdout]   --> service/src/serialization_json.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn deserder_vec(json_string: String) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tcpserver v0.1.0 (/opt/rustwide/workdir/tcpserver)
[INFO] [stderr] error: could not compile `num-bigint-dig` (lib) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a20565c272aa9bae2f62effad09836c978aeee57c2cce2a38aa5ec4c39e70b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20565c272aa9bae2f62effad09836c978aeee57c2cce2a38aa5ec4c39e70b71", kill_on_drop: false }`
[INFO] [stdout] a20565c272aa9bae2f62effad09836c978aeee57c2cce2a38aa5ec4c39e70b71
