[INFO] cloning repository https://github.com/jaemk/rok
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaemk/rok" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaemk%2Frok", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaemk%2Frok'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f029b49b06b790db1d057dbf43c89b23c139ff42
[INFO] testing jaemk/rok against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaemk%2Frok" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaemk/rok on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaemk/rok
[INFO] finished tweaking git repo https://github.com/jaemk/rok
[INFO] tweaked toml for git repo https://github.com/jaemk/rok written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jaemk/rok 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded encode_unicode v0.1.3
[INFO] [stderr]   Downloaded rustyline v1.0.0
[INFO] [stderr]   Downloaded itertools v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54b912620430fb8f83f5ee412a907ddcf92415ae69132c531eff6a9c44b9ea8a
[INFO] running `Command { std: "docker" "start" "-a" "54b912620430fb8f83f5ee412a907ddcf92415ae69132c531eff6a9c44b9ea8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54b912620430fb8f83f5ee412a907ddcf92415ae69132c531eff6a9c44b9ea8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b912620430fb8f83f5ee412a907ddcf92415ae69132c531eff6a9c44b9ea8a", kill_on_drop: false }`
[INFO] [stdout] 54b912620430fb8f83f5ee412a907ddcf92415ae69132c531eff6a9c44b9ea8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad0f21eb1cbf5f999cba7c691af0e3f5b61f18429282d0f84483e6fe0b650816
[INFO] running `Command { std: "docker" "start" "-a" "ad0f21eb1cbf5f999cba7c691af0e3f5b61f18429282d0f84483e6fe0b650816", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling either v1.3.0
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling itertools v0.7.2
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling num-complex v0.1.40
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling rok v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::id`
[INFO] [stdout]  --> src/asm/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process::id;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scope`
[INFO] [stdout]   --> src/lang/mod.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn read_eval(s: &str, scope: &mut Scope) -> Result<Value> {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[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/rt/mod.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut p = &mut self.procs[0];
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/rt/mod.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let mut p = &mut self.procs[0];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tag` is never read
[INFO] [stdout]   --> src/asm/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Operation {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 52 |     tag: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `code` is never read
[INFO] [stdout]   --> src/rt/mod.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct Runtime {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 96 |     procs: Vec<Processor>,
[INFO] [stdout] 97 |     code: Vec<u8>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pc` and `cond` are never read
[INFO] [stdout]   --> src/rt/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub struct Processor {
[INFO] [stdout]    |                --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |         pc: usize,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 14 |         cond: bool,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `take_32` and `take_64` are never used
[INFO] [stdout]   --> src/rt/mod.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     impl Processor {
[INFO] [stdout]    |     -------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |         fn take_32(buf: &[u8]) -> u32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |         fn take_64(buf: &[u8]) -> u64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "ad0f21eb1cbf5f999cba7c691af0e3f5b61f18429282d0f84483e6fe0b650816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad0f21eb1cbf5f999cba7c691af0e3f5b61f18429282d0f84483e6fe0b650816", kill_on_drop: false }`
[INFO] [stdout] ad0f21eb1cbf5f999cba7c691af0e3f5b61f18429282d0f84483e6fe0b650816
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ca175fdc062bea37de27185aad5f3f2365badb3ea8965b011fce79d2c6a06c5
[INFO] running `Command { std: "docker" "start" "-a" "9ca175fdc062bea37de27185aad5f3f2365badb3ea8965b011fce79d2c6a06c5", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::process::id`
[INFO] [stdout]  --> src/asm/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process::id;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scope`
[INFO] [stdout]   --> src/lang/mod.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn read_eval(s: &str, scope: &mut Scope) -> Result<Value> {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[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/rt/mod.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut p = &mut self.procs[0];
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/rt/mod.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let mut p = &mut self.procs[0];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tag` is never read
[INFO] [stdout]   --> src/asm/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Operation {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 52 |     tag: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `code` is never read
[INFO] [stdout]   --> src/rt/mod.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct Runtime {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 96 |     procs: Vec<Processor>,
[INFO] [stdout] 97 |     code: Vec<u8>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pc` and `cond` are never read
[INFO] [stdout]   --> src/rt/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub struct Processor {
[INFO] [stdout]    |                --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |         pc: usize,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 14 |         cond: bool,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rok v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated functions `take_32` and `take_64` are never used
[INFO] [stdout]   --> src/rt/mod.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     impl Processor {
[INFO] [stdout]    |     -------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |         fn take_32(buf: &[u8]) -> u32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |         fn take_64(buf: &[u8]) -> u64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::id`
[INFO] [stdout]  --> src/asm/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process::id;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scope`
[INFO] [stdout]   --> src/lang/mod.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn read_eval(s: &str, scope: &mut Scope) -> Result<Value> {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[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/rt/mod.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut p = &mut self.procs[0];
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/rt/mod.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let mut p = &mut self.procs[0];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tag` is never read
[INFO] [stdout]   --> src/asm/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Operation {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 52 |     tag: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `code` is never read
[INFO] [stdout]   --> src/rt/mod.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct Runtime {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 96 |     procs: Vec<Processor>,
[INFO] [stdout] 97 |     code: Vec<u8>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pc` and `cond` are never read
[INFO] [stdout]   --> src/rt/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub struct Processor {
[INFO] [stdout]    |                --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |         pc: usize,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 14 |         cond: bool,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `take_32` and `take_64` are never used
[INFO] [stdout]   --> src/rt/mod.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     impl Processor {
[INFO] [stdout]    |     -------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |         fn take_32(buf: &[u8]) -> u32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |         fn take_64(buf: &[u8]) -> u64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9ca175fdc062bea37de27185aad5f3f2365badb3ea8965b011fce79d2c6a06c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca175fdc062bea37de27185aad5f3f2365badb3ea8965b011fce79d2c6a06c5", kill_on_drop: false }`
[INFO] [stdout] 9ca175fdc062bea37de27185aad5f3f2365badb3ea8965b011fce79d2c6a06c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd636df4dd8382c690780dcd9319d8332cb16c64edd5c225174483a2607bc288
[INFO] running `Command { std: "docker" "start" "-a" "dd636df4dd8382c690780dcd9319d8332cb16c64edd5c225174483a2607bc288", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::process::id`
[INFO] [stderr]  --> src/asm/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::process::id;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scope`
[INFO] [stderr]   --> src/lang/mod.rs:11:27
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn read_eval(s: &str, scope: &mut Scope) -> Result<Value> {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[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/rt/mod.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let mut p = &mut self.procs[0];
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/rt/mod.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let mut p = &mut self.procs[0];
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `tag` is never read
[INFO] [stderr]   --> src/asm/mod.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub struct Operation {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] 52 |     tag: Option<String>,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Operation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `code` is never read
[INFO] [stderr]   --> src/rt/mod.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub struct Runtime {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] 96 |     procs: Vec<Processor>,
[INFO] [stderr] 97 |     code: Vec<u8>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `pc` and `cond` are never read
[INFO] [stderr]   --> src/rt/mod.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub struct Processor {
[INFO] [stderr]    |                --------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 13 |         pc: usize,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 14 |         cond: bool,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `take_32` and `take_64` are never used
[INFO] [stderr]   --> src/rt/mod.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 17 |     impl Processor {
[INFO] [stderr]    |     -------------- associated functions in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 32 |         fn take_32(buf: &[u8]) -> u32 {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 37 |         fn take_64(buf: &[u8]) -> u64 {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rok` (lib) generated 8 warnings (run `cargo fix --lib -p rok` to apply 4 suggestions)
[INFO] [stderr] warning: `rok` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rok-e818ea9373cd6f14)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rok-8c0b4e9d435d26dc)
[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 rok
[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" "dd636df4dd8382c690780dcd9319d8332cb16c64edd5c225174483a2607bc288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd636df4dd8382c690780dcd9319d8332cb16c64edd5c225174483a2607bc288", kill_on_drop: false }`
[INFO] [stdout] dd636df4dd8382c690780dcd9319d8332cb16c64edd5c225174483a2607bc288
[INFO] testing jaemk/rok against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaemk%2Frok" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaemk/rok on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaemk/rok
[INFO] finished tweaking git repo https://github.com/jaemk/rok
[INFO] tweaked toml for git repo https://github.com/jaemk/rok written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jaemk/rok 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0d7e9d270696f8e660b96adf7134d019a0c9fc11aaabb7234c19b719d53dbcb
[INFO] running `Command { std: "docker" "start" "-a" "c0d7e9d270696f8e660b96adf7134d019a0c9fc11aaabb7234c19b719d53dbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0d7e9d270696f8e660b96adf7134d019a0c9fc11aaabb7234c19b719d53dbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d7e9d270696f8e660b96adf7134d019a0c9fc11aaabb7234c19b719d53dbcb", kill_on_drop: false }`
[INFO] [stdout] c0d7e9d270696f8e660b96adf7134d019a0c9fc11aaabb7234c19b719d53dbcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3b54593f4a54fdbdaa2bde6629f4db757ac4928271652fb0914755f30e1e6e6
[INFO] running `Command { std: "docker" "start" "-a" "e3b54593f4a54fdbdaa2bde6629f4db757ac4928271652fb0914755f30e1e6e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling either v1.3.0
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling itertools v0.7.2
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e3b54593f4a54fdbdaa2bde6629f4db757ac4928271652fb0914755f30e1e6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b54593f4a54fdbdaa2bde6629f4db757ac4928271652fb0914755f30e1e6e6", kill_on_drop: false }`
[INFO] [stdout] e3b54593f4a54fdbdaa2bde6629f4db757ac4928271652fb0914755f30e1e6e6
