[INFO] cloning repository https://github.com/Tahler/snoss [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tahler/snoss" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTahler%2Fsnoss", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTahler%2Fsnoss'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d4dca754c3e97fa7119cc71170c5f54a8a3e71d8 [INFO] checking Tahler/snoss against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTahler%2Fsnoss" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Tahler/snoss on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Tahler/snoss [INFO] finished tweaking git repo https://github.com/Tahler/snoss [INFO] tweaked toml for git repo https://github.com/Tahler/snoss written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Tahler/snoss 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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 redox_syscall v0.1.16 [INFO] [stderr] Downloaded time v0.1.36 [INFO] [stderr] Downloaded unreachable v0.1.1 [INFO] [stderr] Downloaded serde_codegen_internals v0.13.0 [INFO] [stderr] Downloaded serde_json v0.9.6 [INFO] [stderr] Downloaded num-integer v0.1.32 [INFO] [stderr] Downloaded ordered-float v0.4.0 [INFO] [stderr] Downloaded num-iter v0.1.32 [INFO] [stderr] Downloaded serde v0.9.7 [INFO] [stderr] Downloaded libc v0.2.20 [INFO] [stderr] Downloaded fnv v1.0.5 [INFO] [stderr] Downloaded num v0.1.36 [INFO] [stderr] Downloaded chrono v0.3.0 [INFO] [stderr] Downloaded crossbeam v0.2.10 [INFO] [stderr] Downloaded gcc v0.3.43 [INFO] [stderr] Downloaded miniz-sys v0.1.9 [INFO] [stderr] Downloaded flate2 v0.2.17 [INFO] [stderr] Downloaded quick-error v1.1.0 [INFO] [stderr] Downloaded humantime v1.0.0 [INFO] [stderr] Downloaded log v0.3.6 [INFO] [stderr] Downloaded syn v0.11.4 [INFO] [stderr] Downloaded dtoa v0.4.1 [INFO] [stderr] Downloaded itoa v0.3.1 [INFO] [stderr] Downloaded num-traits v0.1.36 [INFO] [stderr] Downloaded quote v0.3.12 [INFO] [stderr] Downloaded log4rs v0.6.1 [INFO] [stderr] Downloaded unsafe-any v0.4.1 [INFO] [stderr] Downloaded serde_derive v0.9.7 [INFO] [stderr] Downloaded serde_yaml v0.6.1 [INFO] [stderr] Downloaded serde-value v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 419dca9f03cf4349329ce9c9423c993239ae77877cfb65eb5b68f9c69fbade26 [INFO] running `Command { std: "docker" "start" "-a" "419dca9f03cf4349329ce9c9423c993239ae77877cfb65eb5b68f9c69fbade26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "419dca9f03cf4349329ce9c9423c993239ae77877cfb65eb5b68f9c69fbade26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "419dca9f03cf4349329ce9c9423c993239ae77877cfb65eb5b68f9c69fbade26", kill_on_drop: false }` [INFO] [stdout] 419dca9f03cf4349329ce9c9423c993239ae77877cfb65eb5b68f9c69fbade26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df66d821c5f473726f35c18041971452eecaee10aa85f1839d8120feea6154b5 [INFO] running `Command { std: "docker" "start" "-a" "df66d821c5f473726f35c18041971452eecaee10aa85f1839d8120feea6154b5", kill_on_drop: false }` [INFO] [stderr] Checking num-traits v0.1.36 [INFO] [stderr] Checking libc v0.2.20 [INFO] [stderr] Compiling gcc v0.3.43 [INFO] [stderr] Checking serde v0.9.7 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.12 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking quick-error v1.1.0 [INFO] [stderr] Checking dtoa v0.4.1 [INFO] [stderr] Checking itoa v0.3.1 [INFO] [stderr] Checking crossbeam v0.2.10 [INFO] [stderr] Checking log v0.3.6 [INFO] [stderr] Checking antidote v1.0.0 [INFO] [stderr] Checking log-mdc v0.1.0 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking fnv v1.0.5 [INFO] [stderr] Checking humantime v1.0.0 [INFO] [stderr] Checking unsafe-any v0.4.1 [INFO] [stderr] Checking time v0.1.36 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Compiling syn v0.11.4 [INFO] [stderr] Checking num-integer v0.1.32 [INFO] [stderr] Checking ordered-float v0.4.0 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Compiling miniz-sys v0.1.9 [INFO] [stderr] Checking num-iter v0.1.32 [INFO] [stderr] Checking num v0.1.36 [INFO] [stderr] Checking chrono v0.3.0 [INFO] [stderr] Checking flate2 v0.2.17 [INFO] [stderr] Compiling serde_codegen_internals v0.13.0 [INFO] [stderr] Compiling serde_derive v0.9.7 [INFO] [stderr] Checking serde-value v0.4.0 [INFO] [stderr] Checking serde_json v0.9.6 [INFO] [stderr] Checking serde_yaml v0.6.1 [INFO] [stderr] Checking log4rs v0.6.1 [INFO] [stderr] Checking snoss v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `time` is imported redundantly [INFO] [stdout] --> src/time_utils.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use time; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | extern crate time; [INFO] [stdout] | ------------------ the item `time` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `time` is imported redundantly [INFO] [stdout] --> src/time_utils.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use time; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | extern crate time; [INFO] [stdout] | ------------------ the item `time` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/os/exec.rs:194:13 [INFO] [stdout] | [INFO] [stdout] 194 | let mut stack = pcb.get_stack_mut(); [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/os/ps/pcb.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 63 | let mut ctx = &mut self.header.ctx; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/os/exec.rs:194:13 [INFO] [stdout] | [INFO] [stdout] 194 | let mut stack = pcb.get_stack_mut(); [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/os/ps/pcb.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 63 | let mut ctx = &mut self.header.ctx; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.86s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.11.4, traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] running `Command { std: "docker" "inspect" "df66d821c5f473726f35c18041971452eecaee10aa85f1839d8120feea6154b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df66d821c5f473726f35c18041971452eecaee10aa85f1839d8120feea6154b5", kill_on_drop: false }` [INFO] [stdout] df66d821c5f473726f35c18041971452eecaee10aa85f1839d8120feea6154b5 [INFO] checking Tahler/snoss against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTahler%2Fsnoss" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Tahler/snoss on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Tahler/snoss [INFO] finished tweaking git repo https://github.com/Tahler/snoss [INFO] tweaked toml for git repo https://github.com/Tahler/snoss written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Tahler/snoss 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5106ed0234dec846471cfda54e6e2a2545b2cde27e945380e192b00b357f4c1f [INFO] running `Command { std: "docker" "start" "-a" "5106ed0234dec846471cfda54e6e2a2545b2cde27e945380e192b00b357f4c1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5106ed0234dec846471cfda54e6e2a2545b2cde27e945380e192b00b357f4c1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5106ed0234dec846471cfda54e6e2a2545b2cde27e945380e192b00b357f4c1f", kill_on_drop: false }` [INFO] [stdout] 5106ed0234dec846471cfda54e6e2a2545b2cde27e945380e192b00b357f4c1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6013cf1ad9dd744e19c6f0c749e871c52a4fe91f96e49aa9d89f6c545ba9af12 [INFO] running `Command { std: "docker" "start" "-a" "6013cf1ad9dd744e19c6f0c749e871c52a4fe91f96e49aa9d89f6c545ba9af12", kill_on_drop: false }` [INFO] [stderr] Checking num-traits v0.1.36 [INFO] [stderr] Compiling gcc v0.3.43 [INFO] [stderr] Checking libc v0.2.20 [INFO] [stderr] Compiling quote v0.3.12 [INFO] [stderr] Checking serde v0.9.7 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking dtoa v0.4.1 [INFO] [stderr] Checking quick-error v1.1.0 [INFO] [stderr] Checking itoa v0.3.1 [INFO] [stderr] Checking log-mdc v0.1.0 [INFO] [stderr] Checking fnv v1.0.5 [INFO] [stderr] Checking crossbeam v0.2.10 [INFO] [stderr] Checking log v0.3.6 [INFO] [stderr] Checking antidote v1.0.0 [INFO] [stderr] Checking humantime v1.0.0 [INFO] [stderr] Checking unsafe-any v0.4.1 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking time v0.1.36 [INFO] [stderr] Compiling syn v0.11.4 [INFO] [stderr] Checking num-integer v0.1.32 [INFO] [stderr] Checking ordered-float v0.4.0 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Compiling miniz-sys v0.1.9 [INFO] [stderr] Checking num-iter v0.1.32 [INFO] [stderr] Checking num v0.1.36 [INFO] [stderr] Checking chrono v0.3.0 [INFO] [stderr] Checking flate2 v0.2.17 [INFO] [stderr] Compiling serde_codegen_internals v0.13.0 [INFO] [stderr] Compiling serde_derive v0.9.7 [INFO] [stderr] Checking serde_json v0.9.6 [INFO] [stderr] Checking serde-value v0.4.0 [INFO] [stderr] Checking serde_yaml v0.6.1 [INFO] [stderr] Checking log4rs v0.6.1 [INFO] [stderr] Checking snoss v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `time` is imported redundantly [INFO] [stdout] --> src/time_utils.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use time; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | extern crate time; [INFO] [stdout] | ------------------ the item `time` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `time` is imported redundantly [INFO] [stdout] --> src/time_utils.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use time; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | extern crate time; [INFO] [stdout] | ------------------ the item `time` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/os/exec.rs:194:13 [INFO] [stdout] | [INFO] [stdout] 194 | let mut stack = pcb.get_stack_mut(); [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/os/ps/pcb.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 63 | let mut ctx = &mut self.header.ctx; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/os/exec.rs:194:13 [INFO] [stdout] | [INFO] [stdout] 194 | let mut stack = pcb.get_stack_mut(); [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/os/ps/pcb.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 63 | let mut ctx = &mut self.header.ctx; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.40s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.11.4, traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "6013cf1ad9dd744e19c6f0c749e871c52a4fe91f96e49aa9d89f6c545ba9af12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6013cf1ad9dd744e19c6f0c749e871c52a4fe91f96e49aa9d89f6c545ba9af12", kill_on_drop: false }` [INFO] [stdout] 6013cf1ad9dd744e19c6f0c749e871c52a4fe91f96e49aa9d89f6c545ba9af12