[INFO] cloning repository https://github.com/dyune/minos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dyune/minos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyune%2Fminos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyune%2Fminos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19f52c1af95ca44cd3a3cf17440da8e6043ad197
[INFO] checking dyune/minos against f1c52bf13c990fc425c542cc90a0396a87db24ba for pr-164812
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyune%2Fminos" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dyune/minos
[INFO] finished tweaking git repo https://github.com/dyune/minos
[INFO] tweaked toml for git repo https://github.com/dyune/minos written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dyune/minos on toolchain f1c52bf13c990fc425c542cc90a0396a87db24ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f1c52bf13c990fc425c542cc90a0396a87db24ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dyune/minos 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" "+f1c52bf13c990fc425c542cc90a0396a87db24ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 37d78479426b8010ea288356e43bf624711cde929e2ebfd646a24d64296d63bc
[INFO] running `Command { std: "docker" "start" "37d78479426b8010ea288356e43bf624711cde929e2ebfd646a24d64296d63bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37d78479426b8010ea288356e43bf624711cde929e2ebfd646a24d64296d63bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "37d78479426b8010ea288356e43bf624711cde929e2ebfd646a24d64296d63bc" "/opt/rustwide/cargo-home/bin/cargo" "+f1c52bf13c990fc425c542cc90a0396a87db24ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37d78479426b8010ea288356e43bf624711cde929e2ebfd646a24d64296d63bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "37d78479426b8010ea288356e43bf624711cde929e2ebfd646a24d64296d63bc" "/opt/rustwide/cargo-home/bin/cargo" "+f1c52bf13c990fc425c542cc90a0396a87db24ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking minos v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `FrameTable` and `ProgMemory`
[INFO] [stdout]  --> src/interpreter.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::shellmemory::{VarMemory, ProgMemory, FrameTable};
[INFO] [stdout]   |                                     ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/shellmemory.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FrameTable` and `ProgMemory`
[INFO] [stdout]  --> src/interpreter.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::shellmemory::{VarMemory, ProgMemory, FrameTable};
[INFO] [stdout]   |                                     ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/shellmemory.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut cwd = String::from("/");
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ls` is never used
[INFO] [stdout]    --> src/interpreter.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn ls() {
[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 `cd` is never used
[INFO] [stdout]    --> src/interpreter.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn cd() {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `touch` is never used
[INFO] [stdout]    --> src/interpreter.rs:193:4
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn touch() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEMAND_PAGE_LIMIT` is never used
[INFO] [stdout]  --> src/shellmemory.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const DEMAND_PAGE_LIMIT: usize = 2;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/shellmemory.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct VarMemory {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 11 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VarMemory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_valid` is never used
[INFO] [stdout]   --> src/shellmemory.rs:85:19
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Frame {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub(crate) fn set_valid(&mut self, program_id: String) {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `frame_dump` is never used
[INFO] [stdout]    --> src/shellmemory.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl FrameTable {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 134 |     pub fn frame_dump(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `write` and `read_from_frame` are never used
[INFO] [stdout]    --> src/shellmemory.rs:172:19
[INFO] [stdout]     |
[INFO] [stdout] 155 | impl ProgMemory {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub(crate) fn write(&mut self, idx: usize, val: String) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 |     pub(crate) fn read_from_frame() {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]    --> src/shellmemory.rs:229:19
[INFO] [stdout]     |
[INFO] [stdout] 224 | impl ProgEntry {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 229 |     pub(crate) fn reset(&mut self) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lru_cache` is never read
[INFO] [stdout]   --> src/kernel.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) struct Kernel<'a> {
[INFO] [stdout]    |                   ------ field in this struct
[INFO] [stdout] 19 |     pub(crate) job_queue: VecDeque<Job>, // A Job should not outlive the Kernel
[INFO] [stdout] 20 |     pub(crate) lru_cache: VecDeque<&'a Frame>,
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `memory_dump` is never used
[INFO] [stdout]    --> src/kernel.rs:215:19
[INFO] [stdout]     |
[INFO] [stdout]  27 | impl<'a> Kernel<'a> {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 215 |     pub(crate) fn memory_dump(&self) {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pid` is never read
[INFO] [stdout]   --> src/job.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub(crate) struct Job {
[INFO] [stdout]    |                   --- field in this struct
[INFO] [stdout] 28 |     pub(crate) pid : isize,
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Job` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Exception` is never used
[INFO] [stdout]  --> src/errors.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) enum Exception {
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut cwd = String::from("/");
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ls` is never used
[INFO] [stdout]    --> src/interpreter.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn ls() {
[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 `cd` is never used
[INFO] [stdout]    --> src/interpreter.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn cd() {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `touch` is never used
[INFO] [stdout]    --> src/interpreter.rs:193:4
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn touch() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEMAND_PAGE_LIMIT` is never used
[INFO] [stdout]  --> src/shellmemory.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const DEMAND_PAGE_LIMIT: usize = 2;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/shellmemory.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct VarMemory {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 11 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VarMemory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_valid` is never used
[INFO] [stdout]   --> src/shellmemory.rs:85:19
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Frame {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub(crate) fn set_valid(&mut self, program_id: String) {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `frame_dump` is never used
[INFO] [stdout]    --> src/shellmemory.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl FrameTable {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 134 |     pub fn frame_dump(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `write` and `read_from_frame` are never used
[INFO] [stdout]    --> src/shellmemory.rs:172:19
[INFO] [stdout]     |
[INFO] [stdout] 155 | impl ProgMemory {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub(crate) fn write(&mut self, idx: usize, val: String) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 |     pub(crate) fn read_from_frame() {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]    --> src/shellmemory.rs:229:19
[INFO] [stdout]     |
[INFO] [stdout] 224 | impl ProgEntry {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 229 |     pub(crate) fn reset(&mut self) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lru_cache` is never read
[INFO] [stdout]   --> src/kernel.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) struct Kernel<'a> {
[INFO] [stdout]    |                   ------ field in this struct
[INFO] [stdout] 19 |     pub(crate) job_queue: VecDeque<Job>, // A Job should not outlive the Kernel
[INFO] [stdout] 20 |     pub(crate) lru_cache: VecDeque<&'a Frame>,
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `memory_dump` is never used
[INFO] [stdout]    --> src/kernel.rs:215:19
[INFO] [stdout]     |
[INFO] [stdout]  27 | impl<'a> Kernel<'a> {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 215 |     pub(crate) fn memory_dump(&self) {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pid` is never read
[INFO] [stdout]   --> src/job.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub(crate) struct Job {
[INFO] [stdout]    |                   --- field in this struct
[INFO] [stdout] 28 |     pub(crate) pid : isize,
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Job` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Exception` is never used
[INFO] [stdout]  --> src/errors.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) enum Exception {
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "37d78479426b8010ea288356e43bf624711cde929e2ebfd646a24d64296d63bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d78479426b8010ea288356e43bf624711cde929e2ebfd646a24d64296d63bc", kill_on_drop: false }`
[INFO] [stdout] 37d78479426b8010ea288356e43bf624711cde929e2ebfd646a24d64296d63bc
