[INFO] cloning repository https://github.com/lona9a/lorna-debugger [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lona9a/lorna-debugger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flona9a%2Florna-debugger", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flona9a%2Florna-debugger'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5c78a8de3c537df2f2034457610bfdc40d815db0 [INFO] checking lona9a/lorna-debugger against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flona9a%2Florna-debugger" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lona9a/lorna-debugger on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lona9a/lorna-debugger [INFO] finished tweaking git repo https://github.com/lona9a/lorna-debugger [INFO] tweaked toml for git repo https://github.com/lona9a/lorna-debugger written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lona9a/lorna-debugger 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... 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uncased v0.9.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 54bd3b8cfa907c1d938ad42325ded58a6ca1530f36d88fe265d905d8c5d0fb0b [INFO] running `Command { std: "docker" "start" "-a" "54bd3b8cfa907c1d938ad42325ded58a6ca1530f36d88fe265d905d8c5d0fb0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "54bd3b8cfa907c1d938ad42325ded58a6ca1530f36d88fe265d905d8c5d0fb0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54bd3b8cfa907c1d938ad42325ded58a6ca1530f36d88fe265d905d8c5d0fb0b", kill_on_drop: false }` [INFO] [stdout] 54bd3b8cfa907c1d938ad42325ded58a6ca1530f36d88fe265d905d8c5d0fb0b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 362a14c5f24920fdef0af76766cbfe109f294ec434a9ae8cdcf3cea796953e74 [INFO] running `Command { std: "docker" "start" "-a" "362a14c5f24920fdef0af76766cbfe109f294ec434a9ae8cdcf3cea796953e74", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.78 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Checking futures-sink v0.3.17 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Compiling const_fn v0.4.8 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling tokio v1.12.0 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling proc-macro2-diagnostics v0.9.1 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling time v0.2.27 [INFO] [stderr] Compiling uncased v0.9.6 [INFO] [stderr] Checking futures-io v0.3.17 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Compiling cookie v0.15.1 [INFO] [stderr] Compiling ref-cast v1.0.6 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking http v0.2.5 [INFO] [stderr] Compiling tracing-core v0.1.21 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Compiling instant v0.1.11 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling tracing v0.1.28 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling socket2 v0.4.2 [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Compiling httpdate v1.0.1 [INFO] [stderr] Compiling tower-service v0.3.1 [INFO] [stderr] Compiling inlinable_string v0.1.14 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling stable-pattern v0.1.0 [INFO] [stderr] Compiling atomic v0.5.0 [INFO] [stderr] Compiling figment v0.10.6 [INFO] [stderr] Compiling multer v2.0.1 [INFO] [stderr] Compiling async-trait v0.1.51 [INFO] [stderr] Compiling state v0.5.2 [INFO] [stderr] Checking unchecked-index v0.2.2 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling capstone-sys v0.6.0 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking twoway v0.2.2 [INFO] [stderr] Compiling rocket v0.5.0-rc.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Checking spin v0.9.2 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking binascii v0.1.4 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking http-body v0.4.3 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking capstone v0.2.0 [INFO] [stderr] Compiling devise_core v0.3.1 [INFO] [stderr] Compiling tokio-macros v1.4.1 [INFO] [stderr] Compiling time-macros-impl v0.1.2 [INFO] [stderr] Compiling pear_codegen v0.2.3 [INFO] [stderr] Compiling ref-cast-impl v1.0.6 [INFO] [stderr] Compiling async-stream-impl v0.3.2 [INFO] [stderr] Compiling devise_codegen v0.3.1 [INFO] [stderr] Compiling time-macros v0.1.1 [INFO] [stderr] Checking async-stream v0.3.2 [INFO] [stderr] Checking pear v0.2.3 [INFO] [stderr] Compiling devise v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.17 [INFO] [stderr] Checking futures v0.3.17 [INFO] [stderr] Checking tokio-util v0.6.8 [INFO] [stderr] Checking tokio-stream v0.1.7 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking ubyte v0.10.1 [INFO] [stderr] Checking h2 v0.3.6 [INFO] [stderr] Checking hyper v0.14.13 [INFO] [stderr] Checking rocket_http v0.5.0-rc.1 [INFO] [stderr] Compiling rocket_codegen v0.5.0-rc.1 [INFO] [stderr] Checking lornaDebug v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/ptrace/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/target/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/ptrace/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/target/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/target/mod.rs:16:38 [INFO] [stdout] | [INFO] [stdout] 16 | pub const PRG_FLAG_IN_SYSCALL: u32 = (1 << 0); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - pub const PRG_FLAG_IN_SYSCALL: u32 = (1 << 0); [INFO] [stdout] 16 + pub const PRG_FLAG_IN_SYSCALL: u32 = 1 << 0; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/target/mod.rs:16:38 [INFO] [stdout] | [INFO] [stdout] 16 | pub const PRG_FLAG_IN_SYSCALL: u32 = (1 << 0); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - pub const PRG_FLAG_IN_SYSCALL: u32 = (1 << 0); [INFO] [stdout] 16 + pub const PRG_FLAG_IN_SYSCALL: u32 = 1 << 0; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/target/mod.rs:136:57 [INFO] [stdout] | [INFO] [stdout] 136 | let mut user_struct: libc::user = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/target/mod.rs:136:57 [INFO] [stdout] | [INFO] [stdout] 136 | let mut user_struct: libc::user = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/main.rs:13:10 [INFO] [stdout] | [INFO] [stdout] 13 | fn usage(name: &String) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/main.rs:94:13 [INFO] [stdout] | [INFO] [stdout] 94 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:71:51 [INFO] [stdout] | [INFO] [stdout] 71 | last_input = String::from(input.trim().clone()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/target/mod.rs:60:66 [INFO] [stdout] | [INFO] [stdout] 60 | vec_envv.push(CString::new("HOME=/vagrant").unwrap().as_ptr()); [INFO] [stdout] | -------------------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: for more information, see https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] = note: `#[warn(temporary_cstring_as_ptr)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `user` does not permit being left uninitialized [INFO] [stdout] --> src/target/mod.rs:136:47 [INFO] [stdout] | [INFO] [stdout] 136 | let mut user_struct: libc::user = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/main.rs:13:10 [INFO] [stdout] | [INFO] [stdout] 13 | fn usage(name: &String) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/main.rs:94:13 [INFO] [stdout] | [INFO] [stdout] 94 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:71:51 [INFO] [stdout] | [INFO] [stdout] 71 | last_input = String::from(input.trim().clone()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/target/mod.rs:60:66 [INFO] [stdout] | [INFO] [stdout] 60 | vec_envv.push(CString::new("HOME=/vagrant").unwrap().as_ptr()); [INFO] [stdout] | -------------------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: for more information, see https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] = note: `#[warn(temporary_cstring_as_ptr)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `user` does not permit being left uninitialized [INFO] [stdout] --> src/target/mod.rs:136:47 [INFO] [stdout] | [INFO] [stdout] 136 | let mut user_struct: libc::user = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.71s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: ubyte v0.10.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "362a14c5f24920fdef0af76766cbfe109f294ec434a9ae8cdcf3cea796953e74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "362a14c5f24920fdef0af76766cbfe109f294ec434a9ae8cdcf3cea796953e74", kill_on_drop: false }` [INFO] [stdout] 362a14c5f24920fdef0af76766cbfe109f294ec434a9ae8cdcf3cea796953e74