[INFO] fetching crate requirements-txt-generator 0.1.2... [INFO] building requirements-txt-generator-0.1.2 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error [INFO] extracting crate requirements-txt-generator 0.1.2 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate requirements-txt-generator 0.1.2 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate requirements-txt-generator 0.1.2 [INFO] finished tweaking crates.io crate requirements-txt-generator 0.1.2 [INFO] tweaked toml for crates.io crate requirements-txt-generator 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate requirements-txt-generator 0.1.2 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e6f049a6c49d4c1a2cfc8778beff3addb058993d2893b22a7068c4ce1166286 [INFO] running `Command { std: "docker" "start" "-a" "4e6f049a6c49d4c1a2cfc8778beff3addb058993d2893b22a7068c4ce1166286", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e6f049a6c49d4c1a2cfc8778beff3addb058993d2893b22a7068c4ce1166286", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e6f049a6c49d4c1a2cfc8778beff3addb058993d2893b22a7068c4ce1166286", kill_on_drop: false }` [INFO] [stdout] 4e6f049a6c49d4c1a2cfc8778beff3addb058993d2893b22a7068c4ce1166286 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 128b6f23ef3860a8b36da7a027f2d0a90c468125a8669330bb367b6913880e36 [INFO] running `Command { std: "docker" "start" "-a" "128b6f23ef3860a8b36da7a027f2d0a90c468125a8669330bb367b6913880e36", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling utf8parse v0.2.2 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling anstyle v1.0.8 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling is_terminal_polyfill v1.70.1 [INFO] [stderr] Compiling colorchoice v1.0.2 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling anstyle-query v1.1.1 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Compiling clap_lex v0.7.2 [INFO] [stderr] Compiling anstyle-parse v0.2.5 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling bytes v1.7.1 [INFO] [stderr] Compiling pin-project-lite v0.2.14 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling anstream v0.6.15 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling clap_builder v4.5.17 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling signal-hook-registry v1.4.2 [INFO] [stderr] Compiling mio v1.0.2 [INFO] [stderr] Compiling socket2 v0.5.7 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling clap_derive v4.5.13 [INFO] [stderr] Compiling tokio v1.40.0 [INFO] [stderr] Compiling clap v4.5.17 [INFO] [stderr] Compiling requirements-txt-generator v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `io::Write` [INFO] [stdout] --> src/python/package.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashSet, io::Write}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/python/package.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 38 | let version = match &self.version { [INFO] [stdout] | _______________________- [INFO] [stdout] 39 | | Some(result) => return result.clone(), [INFO] [stdout] 40 | | None => return String::new(), [INFO] [stdout] 41 | | }; [INFO] [stdout] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 42 | [INFO] [stdout] 43 | return version; [INFO] [stdout] | ^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_validated` is never read [INFO] [stdout] --> src/cli.rs:36:11 [INFO] [stdout] | [INFO] [stdout] 36 | let mut is_validated: bool = false; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `version` [INFO] [stdout] --> src/python/package.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | let version = match &self.version { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `lines` is never read [INFO] [stdout] --> src/virtual_envs/conda.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | let mut lines: Vec<&str> = Vec::new(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/virtual_envs/conda.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | let mut elements: Vec<&str> = elements_string.split(".").collect(); [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/virtual_envs/conda.rs:144:13 [INFO] [stdout] | [INFO] [stdout] 144 | let mut packages: Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `environment_path` is never read [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut environment_path = String::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CondaEnvironment` is never constructed [INFO] [stdout] --> src/virtual_envs/conda.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub struct CondaEnvironment { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/virtual_envs/conda.rs:136:12 [INFO] [stdout] | [INFO] [stdout] 135 | impl CondaEnvironment { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 136 | pub fn new(environment_name: String) -> Result> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `lookup_conda_environments` is never used [INFO] [stdout] --> src/virtual_envs/conda.rs:163:8 [INFO] [stdout] | [INFO] [stdout] 163 | pub fn lookup_conda_environments() -> Result, Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.81s [INFO] running `Command { std: "docker" "inspect" "128b6f23ef3860a8b36da7a027f2d0a90c468125a8669330bb367b6913880e36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "128b6f23ef3860a8b36da7a027f2d0a90c468125a8669330bb367b6913880e36", kill_on_drop: false }` [INFO] [stdout] 128b6f23ef3860a8b36da7a027f2d0a90c468125a8669330bb367b6913880e36 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7571b012e7851dda06630721563aaaf3027ee050917f78496460e4aeb4f818d4 [INFO] running `Command { std: "docker" "start" "-a" "7571b012e7851dda06630721563aaaf3027ee050917f78496460e4aeb4f818d4", kill_on_drop: false }` [INFO] [stderr] Compiling requirements-txt-generator v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `io::Write` [INFO] [stdout] --> src/python/package.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashSet, io::Write}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/python/package.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 38 | let version = match &self.version { [INFO] [stdout] | _______________________- [INFO] [stdout] 39 | | Some(result) => return result.clone(), [INFO] [stdout] 40 | | None => return String::new(), [INFO] [stdout] 41 | | }; [INFO] [stdout] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 42 | [INFO] [stdout] 43 | return version; [INFO] [stdout] | ^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_validated` is never read [INFO] [stdout] --> src/cli.rs:36:11 [INFO] [stdout] | [INFO] [stdout] 36 | let mut is_validated: bool = false; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `version` [INFO] [stdout] --> src/python/package.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | let version = match &self.version { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `lines` is never read [INFO] [stdout] --> src/virtual_envs/conda.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | let mut lines: Vec<&str> = Vec::new(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/virtual_envs/conda.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | let mut elements: Vec<&str> = elements_string.split(".").collect(); [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/virtual_envs/conda.rs:144:13 [INFO] [stdout] | [INFO] [stdout] 144 | let mut packages: Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `environment_path` is never read [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut environment_path = String::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CondaEnvironment` is never constructed [INFO] [stdout] --> src/virtual_envs/conda.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub struct CondaEnvironment { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/virtual_envs/conda.rs:136:12 [INFO] [stdout] | [INFO] [stdout] 135 | impl CondaEnvironment { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 136 | pub fn new(environment_name: String) -> Result> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `lookup_conda_environments` is never used [INFO] [stdout] --> src/virtual_envs/conda.rs:163:8 [INFO] [stdout] | [INFO] [stdout] 163 | pub fn lookup_conda_environments() -> Result, Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "7571b012e7851dda06630721563aaaf3027ee050917f78496460e4aeb4f818d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7571b012e7851dda06630721563aaaf3027ee050917f78496460e4aeb4f818d4", kill_on_drop: false }` [INFO] [stdout] 7571b012e7851dda06630721563aaaf3027ee050917f78496460e4aeb4f818d4