[INFO] cloning repository https://github.com/usey11/basic_shell [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/usey11/basic_shell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusey11%2Fbasic_shell", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusey11%2Fbasic_shell'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b925f1e61b9ce78c1a394e8a9362ec04c1c7d77f [INFO] checking usey11/basic_shell against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusey11%2Fbasic_shell" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/usey11/basic_shell [INFO] finished tweaking git repo https://github.com/usey11/basic_shell [INFO] tweaked toml for git repo https://github.com/usey11/basic_shell written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/usey11/basic_shell on toolchain 38c2997544af84fe301d600d6896397738163002 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/usey11/basic_shell 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" "+38c2997544af84fe301d600d6896397738163002" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cc v1.0.38 [INFO] [stderr] Downloaded nix v0.15.0 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2338971ade307b144cdadd8a696bfe8e710f22e002847432b12a12b824324495 [INFO] running `Command { std: "docker" "start" "-a" "2338971ade307b144cdadd8a696bfe8e710f22e002847432b12a12b824324495", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2338971ade307b144cdadd8a696bfe8e710f22e002847432b12a12b824324495", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2338971ade307b144cdadd8a696bfe8e710f22e002847432b12a12b824324495", kill_on_drop: false }` [INFO] [stdout] 2338971ade307b144cdadd8a696bfe8e710f22e002847432b12a12b824324495 [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=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" "+38c2997544af84fe301d600d6896397738163002" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9c0537e71808754a4ab2375e8458c07c1f5c7b8511b2e4e7b8355fe3f85c0aa [INFO] running `Command { std: "docker" "start" "-a" "f9c0537e71808754a4ab2375e8458c07c1f5c7b8511b2e4e7b8355fe3f85c0aa", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling nix v0.15.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking basic_shell v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:76:25 [INFO] [stdout] | [INFO] [stdout] 76 | ; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [FMTARGS] {"crate":"basic_shell","loc":"src/main.rs:22:15","p":1,"ph":0,"wa":0,"pa":0,"a":0,"pos":0,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":0,"a_opt":0,"sz_no_dedup":0,"sz_old":0,"sz_opt":0} [INFO] [stderr] [FMTARGS] {"crate":"basic_shell","loc":"src/main.rs:90:29","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16} [INFO] [stderr] [FMTARGS] {"crate":"basic_shell","loc":"src/main.rs:100:17","p":1,"ph":0,"wa":0,"pa":0,"a":0,"pos":0,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":0,"a_opt":0,"sz_no_dedup":0,"sz_old":0,"sz_opt":0} [INFO] [stderr] [FMTARGS] {"crate":"basic_shell","loc":"src/main.rs:105:21","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16} [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:76:25 [INFO] [stdout] | [INFO] [stdout] 76 | ; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [FMTARGS] {"crate":"basic_shell","loc":"src/main.rs:22:15","p":1,"ph":0,"wa":0,"pa":0,"a":0,"pos":0,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":0,"a_opt":0,"sz_no_dedup":0,"sz_old":0,"sz_opt":0} [INFO] [stderr] [FMTARGS] {"crate":"basic_shell","loc":"src/main.rs:90:29","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16} [INFO] [stderr] [FMTARGS] {"crate":"basic_shell","loc":"src/main.rs:100:17","p":1,"ph":0,"wa":0,"pa":0,"a":0,"pos":0,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":0,"a_opt":0,"sz_no_dedup":0,"sz_old":0,"sz_opt":0} [INFO] [stderr] [FMTARGS] {"crate":"basic_shell","loc":"src/main.rs:105:21","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16} [INFO] [stdout] error[E0599]: no method named `flush` found for struct `Stdout` in the current scope [INFO] [stdout] --> src/main.rs:23:22 [INFO] [stdout] | [INFO] [stdout] 23 | io::stdout().flush().unwrap(); [INFO] [stdout] | ^^^^^ method not found in `Stdout` [INFO] [stdout] | [INFO] [stdout] --> /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/io/mod.rs:1841:7 [INFO] [stdout] | [INFO] [stdout] = note: the method is available for `Stdout` here [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: trait `Write` which provides `flush` is implemented but not in scope; perhaps you want to import it [INFO] [stdout] | [INFO] [stdout] 1 + use std::io::Write; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `flush` found for struct `Stdout` in the current scope [INFO] [stdout] --> src/main.rs:57:18 [INFO] [stdout] | [INFO] [stdout] 57 | io::stdout().flush().unwrap(); [INFO] [stdout] | ^^^^^ method not found in `Stdout` [INFO] [stdout] | [INFO] [stdout] --> /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/io/mod.rs:1841:7 [INFO] [stdout] | [INFO] [stdout] = note: the method is available for `Stdout` here [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: trait `Write` which provides `flush` is implemented but not in scope; perhaps you want to import it [INFO] [stdout] | [INFO] [stdout] 1 + use std::io::Write; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `flush` found for struct `Stdout` in the current scope [INFO] [stdout] --> src/main.rs:23:22 [INFO] [stdout] | [INFO] [stdout] 23 | io::stdout().flush().unwrap(); [INFO] [stdout] | ^^^^^ method not found in `Stdout` [INFO] [stdout] | [INFO] [stdout] --> /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/io/mod.rs:1841:7 [INFO] [stdout] | [INFO] [stdout] = note: the method is available for `Stdout` here [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: trait `Write` which provides `flush` is implemented but not in scope; perhaps you want to import it [INFO] [stdout] | [INFO] [stdout] 1 + use std::io::Write; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `flush` found for struct `Stdout` in the current scope [INFO] [stdout] --> src/main.rs:57:18 [INFO] [stdout] | [INFO] [stdout] 57 | io::stdout().flush().unwrap(); [INFO] [stdout] | ^^^^^ method not found in `Stdout` [INFO] [stdout] | [INFO] [stdout] --> /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/io/mod.rs:1841:7 [INFO] [stdout] | [INFO] [stdout] = note: the method is available for `Stdout` here [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: trait `Write` which provides `flush` is implemented but not in scope; perhaps you want to import it [INFO] [stdout] | [INFO] [stdout] 1 + use std::io::Write; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `basic_shell` (bin "basic_shell" test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `basic_shell` (bin "basic_shell") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "f9c0537e71808754a4ab2375e8458c07c1f5c7b8511b2e4e7b8355fe3f85c0aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9c0537e71808754a4ab2375e8458c07c1f5c7b8511b2e4e7b8355fe3f85c0aa", kill_on_drop: false }` [INFO] [stdout] f9c0537e71808754a4ab2375e8458c07c1f5c7b8511b2e4e7b8355fe3f85c0aa