[INFO] cloning repository https://github.com/mmeisson/rust-shell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmeisson/rust-shell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmeisson%2Frust-shell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmeisson%2Frust-shell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad4fa193fff14f09291c10bd5ad70f888898da8d
[INFO] checking mmeisson/rust-shell against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmeisson%2Frust-shell" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmeisson/rust-shell on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmeisson/rust-shell
[INFO] finished tweaking git repo https://github.com/mmeisson/rust-shell
[INFO] tweaked toml for git repo https://github.com/mmeisson/rust-shell written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/mmeisson/rust-shell already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66263be716a21729757b7c9b231575d09005681fdf27f9df422b0c8dbde2adf4
[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" "66263be716a21729757b7c9b231575d09005681fdf27f9df422b0c8dbde2adf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66263be716a21729757b7c9b231575d09005681fdf27f9df422b0c8dbde2adf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66263be716a21729757b7c9b231575d09005681fdf27f9df422b0c8dbde2adf4", kill_on_drop: false }`
[INFO] [stdout] 66263be716a21729757b7c9b231575d09005681fdf27f9df422b0c8dbde2adf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17658b736eaa78ade6fd67120f0aa0b819ed99da424533157548aabe451d4066
[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" "17658b736eaa78ade6fd67120f0aa0b819ed99da424533157548aabe451d4066", kill_on_drop: false }`
[INFO] [stderr]     Checking stringreader v0.1.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking minishell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |         source: Box<BufRead + 'a>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn BufRead + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stdin`
[INFO] [stdout]  --> src/prompt.rs:4:48
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use std::io::{self, BufRead, BufReader, Read, Stdin, Write, stdout};
[INFO] [stdout]   |                                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/prompt.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         line: Box<BufRead + 'a>,
[INFO] [stdout]   |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn BufRead + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/main.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::{BufRead, self};
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |         source: Box<BufRead + 'a>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn BufRead + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stdin`
[INFO] [stdout]  --> src/prompt.rs:4:48
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use std::io::{self, BufRead, BufReader, Read, Stdin, Write, stdout};
[INFO] [stdout]   |                                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/prompt.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         line: Box<BufRead + 'a>,
[INFO] [stdout]   |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn BufRead + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/main.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::{BufRead, self};
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `command_line` is never read
[INFO] [stdout]   --> src/main.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut command_line: String = String::new();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `command_line` is never read
[INFO] [stdout]   --> src/main.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut command_line: String = String::new();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `SPECIAL_CHARS`
[INFO] [stdout]  --> src/tokenizer.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     static SPECIAL_CHARS: &str = "&|";
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Token`
[INFO] [stdout]   --> src/tokenizer.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_prompt`
[INFO] [stdout]   --> src/prompt.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |         pub fn set_prompt(&mut self, prompt: &str) {
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `SPECIAL_CHARS`
[INFO] [stdout]  --> src/tokenizer.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     static SPECIAL_CHARS: &str = "&|";
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Token`
[INFO] [stdout]   --> src/tokenizer.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_prompt`
[INFO] [stdout]   --> src/prompt.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |         pub fn set_prompt(&mut self, prompt: &str) {
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `Command { std: "docker" "inspect" "17658b736eaa78ade6fd67120f0aa0b819ed99da424533157548aabe451d4066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17658b736eaa78ade6fd67120f0aa0b819ed99da424533157548aabe451d4066", kill_on_drop: false }`
[INFO] [stdout] 17658b736eaa78ade6fd67120f0aa0b819ed99da424533157548aabe451d4066