[INFO] updating cached repository abesto/toy-rust-shell
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/abesto/toy-rust-shell
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/abesto/toy-rust-shell" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/abesto/toy-rust-shell"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/abesto/toy-rust-shell'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/abesto/toy-rust-shell" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/abesto/toy-rust-shell"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/abesto/toy-rust-shell'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 27bf5f1708ba8e0f3d03b9442c69a7f4224660bf
[INFO] sha for GitHub repo abesto/toy-rust-shell: 27bf5f1708ba8e0f3d03b9442c69a7f4224660bf
[INFO] validating manifest of abesto/toy-rust-shell on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of abesto/toy-rust-shell on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing abesto/toy-rust-shell
[INFO] finished frobbing abesto/toy-rust-shell
[INFO] frobbed toml for abesto/toy-rust-shell written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/abesto/toy-rust-shell/Cargo.toml
[INFO] started frobbing abesto/toy-rust-shell
[INFO] finished frobbing abesto/toy-rust-shell
[INFO] frobbed toml for abesto/toy-rust-shell written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/abesto/toy-rust-shell/Cargo.toml
[INFO] crate abesto/toy-rust-shell already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking abesto/toy-rust-shell against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/abesto/toy-rust-shell:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c2c620a0e9ca49b03fbce410b60ddb576b1c7683aad275d5b041e8cb9217eb34
[INFO] running `"docker" "start" "-a" "c2c620a0e9ca49b03fbce410b60ddb576b1c7683aad275d5b041e8cb9217eb34"`
[INFO] [stderr]    Compiling im v12.2.0
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking nix v0.13.0
[INFO] [stderr]     Checking toy-rust-shell v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Stdout`
[INFO] [stderr]  --> src/main.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{stdin, Stdout};
[INFO] [stderr]   |                      ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stdout`
[INFO] [stderr]  --> src/main.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{stdin, Stdout};
[INFO] [stderr]   |                      ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]    --> src/main.rs:122:38
[INFO] [stderr]     |
[INFO] [stderr] 122 |             CompleteCommand::WithSep(l, op) => {}
[INFO] [stderr]     |                                      ^ help: consider prefixing with an underscore: `_l`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]    --> src/main.rs:122:41
[INFO] [stderr]     |
[INFO] [stderr] 122 |             CompleteCommand::WithSep(l, op) => {}
[INFO] [stderr]     |                                         ^^ help: consider prefixing with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]    --> src/main.rs:122:38
[INFO] [stderr]     |
[INFO] [stderr] 122 |             CompleteCommand::WithSep(l, op) => {}
[INFO] [stderr]     |                                      ^ help: consider prefixing with an underscore: `_l`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]    --> src/main.rs:122:41
[INFO] [stderr]     |
[INFO] [stderr] 122 |             CompleteCommand::WithSep(l, op) => {}
[INFO] [stderr]     |                                         ^^ help: consider prefixing with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `input`
[INFO] [stderr]    --> src/parser.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |         input: &'a Vec<String>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `And`
[INFO] [stderr]    --> src/parser.rs:559:9
[INFO] [stderr]     |
[INFO] [stderr] 559 |         And(&'a AndOr<'a>, Pipeline),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Or`
[INFO] [stderr]    --> src/parser.rs:560:9
[INFO] [stderr]     |
[INFO] [stderr] 560 |         Or(&'a AndOr<'a>, Pipeline),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CompoundCommand`
[INFO] [stderr]    --> src/parser.rs:574:9
[INFO] [stderr]     |
[INFO] [stderr] 574 |         CompoundCommand(CompoundCommandData),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CompoundCommandWithRedirects`
[INFO] [stderr]    --> src/parser.rs:575:9
[INFO] [stderr]     |
[INFO] [stderr] 575 |         CompoundCommandWithRedirects(CompoundCommandWithRedirectsData),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FunctionDefinition`
[INFO] [stderr]    --> src/parser.rs:576:9
[INFO] [stderr]     |
[INFO] [stderr] 576 |         FunctionDefinition(FunctionDefinitionData),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PrefixWordSuffix`
[INFO] [stderr]    --> src/parser.rs:581:9
[INFO] [stderr]     |
[INFO] [stderr] 581 |         PrefixWordSuffix(CmdPrefix, CmdWord, CmdSuffix),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PrefixWord`
[INFO] [stderr]    --> src/parser.rs:582:9
[INFO] [stderr]     |
[INFO] [stderr] 582 |         PrefixWord(CmdPrefix, CmdWord),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Prefix`
[INFO] [stderr]    --> src/parser.rs:583:9
[INFO] [stderr]     |
[INFO] [stderr] 583 |         Prefix(CmdPrefix),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `last_exit_code`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     last_exit_code: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `quote`
[INFO] [stderr]   --> src/main.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn quote(string: &String) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set`
[INFO] [stderr]   --> src/main.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn set(state: &State) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 | /         std::env::set_current_dir(std::path::Path::new(
[INFO] [stderr] 175 | |             &std::env::var("HOME").unwrap_or("/".to_string())
[INFO] [stderr] 176 | |         ));
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 | /         std::env::set_current_dir(std::path::Path::new(
[INFO] [stderr] 181 | |             dir
[INFO] [stderr] 182 | |         ));
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `input`
[INFO] [stderr]    --> src/parser.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |         input: &'a Vec<String>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `And`
[INFO] [stderr]    --> src/parser.rs:559:9
[INFO] [stderr]     |
[INFO] [stderr] 559 |         And(&'a AndOr<'a>, Pipeline),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Or`
[INFO] [stderr]    --> src/parser.rs:560:9
[INFO] [stderr]     |
[INFO] [stderr] 560 |         Or(&'a AndOr<'a>, Pipeline),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CompoundCommand`
[INFO] [stderr]    --> src/parser.rs:574:9
[INFO] [stderr]     |
[INFO] [stderr] 574 |         CompoundCommand(CompoundCommandData),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CompoundCommandWithRedirects`
[INFO] [stderr]    --> src/parser.rs:575:9
[INFO] [stderr]     |
[INFO] [stderr] 575 |         CompoundCommandWithRedirects(CompoundCommandWithRedirectsData),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FunctionDefinition`
[INFO] [stderr]    --> src/parser.rs:576:9
[INFO] [stderr]     |
[INFO] [stderr] 576 |         FunctionDefinition(FunctionDefinitionData),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PrefixWordSuffix`
[INFO] [stderr]    --> src/parser.rs:581:9
[INFO] [stderr]     |
[INFO] [stderr] 581 |         PrefixWordSuffix(CmdPrefix, CmdWord, CmdSuffix),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PrefixWord`
[INFO] [stderr]    --> src/parser.rs:582:9
[INFO] [stderr]     |
[INFO] [stderr] 582 |         PrefixWord(CmdPrefix, CmdWord),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Prefix`
[INFO] [stderr]    --> src/parser.rs:583:9
[INFO] [stderr]     |
[INFO] [stderr] 583 |         Prefix(CmdPrefix),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `last_exit_code`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     last_exit_code: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `quote`
[INFO] [stderr]   --> src/main.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn quote(string: &String) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set`
[INFO] [stderr]   --> src/main.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn set(state: &State) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 | /         std::env::set_current_dir(std::path::Path::new(
[INFO] [stderr] 175 | |             &std::env::var("HOME").unwrap_or("/".to_string())
[INFO] [stderr] 176 | |         ));
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 | /         std::env::set_current_dir(std::path::Path::new(
[INFO] [stderr] 181 | |             dir
[INFO] [stderr] 182 | |         ));
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.90s
[INFO] running `"docker" "inspect" "c2c620a0e9ca49b03fbce410b60ddb576b1c7683aad275d5b041e8cb9217eb34"`
[INFO] running `"docker" "rm" "-f" "c2c620a0e9ca49b03fbce410b60ddb576b1c7683aad275d5b041e8cb9217eb34"`
[INFO] [stdout] c2c620a0e9ca49b03fbce410b60ddb576b1c7683aad275d5b041e8cb9217eb34