[INFO] cloning repository https://github.com/sourcepirate/crunch [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sourcepirate/crunch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsourcepirate%2Fcrunch", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsourcepirate%2Fcrunch'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ca99b363261d01e084069b70f6a3cd0050245960 [INFO] checking sourcepirate/crunch against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsourcepirate%2Fcrunch" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sourcepirate/crunch on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sourcepirate/crunch [INFO] finished tweaking git repo https://github.com/sourcepirate/crunch [INFO] tweaked toml for git repo https://github.com/sourcepirate/crunch written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sourcepirate/crunch 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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking sourcepirate/crunch against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsourcepirate%2Fcrunch" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sourcepirate/crunch on toolchain 047472f299946caf090d1b5608ae4bd9f0416256 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sourcepirate/crunch [INFO] finished tweaking git repo https://github.com/sourcepirate/crunch [INFO] tweaked toml for git repo https://github.com/sourcepirate/crunch written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sourcepirate/crunch 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" "+047472f299946caf090d1b5608ae4bd9f0416256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded kmpsearch v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8d9db3b12ff40e22389759558b1b69fbc1bfadb4ad5cedd8f4ac0dd9f34bca16 [INFO] running `Command { std: "docker" "start" "-a" "8d9db3b12ff40e22389759558b1b69fbc1bfadb4ad5cedd8f4ac0dd9f34bca16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8d9db3b12ff40e22389759558b1b69fbc1bfadb4ad5cedd8f4ac0dd9f34bca16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d9db3b12ff40e22389759558b1b69fbc1bfadb4ad5cedd8f4ac0dd9f34bca16", kill_on_drop: false }` [INFO] [stdout] 8d9db3b12ff40e22389759558b1b69fbc1bfadb4ad5cedd8f4ac0dd9f34bca16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Ddereferencing_mut_binding" "-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" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c6c6da74becf599a5f064aaaba5351c75ba479f53d0e5340d09a3ff78388f90a [INFO] running `Command { std: "docker" "start" "-a" "c6c6da74becf599a5f064aaaba5351c75ba479f53d0e5340d09a3ff78388f90a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling syn v1.0.27 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking number_prefix v0.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking strsim v0.9.3 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking kmpsearch v1.0.0 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Checking termios v0.3.2 [INFO] [stderr] Checking terminal_size v0.1.12 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking console v0.11.3 [INFO] [stderr] Checking indicatif v0.14.0 [INFO] [stderr] Compiling serde_derive v1.0.110 [INFO] [stderr] Checking docopt v1.1.0 [INFO] [stderr] Checking crunch v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/common.rs:85:13 [INFO] [stdout] | [INFO] [stdout] 85 | let mut path_name = format!("{}/{}", out, file_names[total-1]); [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/common.rs:85:13 [INFO] [stdout] | [INFO] [stdout] 85 | let mut path_name = format!("{}/{}", out, file_names[total-1]); [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: unused `Result` that must be used [INFO] [stdout] --> src/common.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | file.read_to_string(&mut content); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = file.read_to_string(&mut content); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/common.rs:90:21 [INFO] [stdout] | [INFO] [stdout] 90 | fl.write_all(replaced_content.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 90 | let _ = fl.write_all(replaced_content.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/common.rs:91:21 [INFO] [stdout] | [INFO] [stdout] 91 | fl.flush(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 91 | let _ = fl.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/common.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | file.read_to_string(&mut content); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = file.read_to_string(&mut content); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/common.rs:90:21 [INFO] [stdout] | [INFO] [stdout] 90 | fl.write_all(replaced_content.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 90 | let _ = fl.write_all(replaced_content.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/common.rs:91:21 [INFO] [stdout] | [INFO] [stdout] 91 | fl.flush(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 91 | let _ = fl.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.14s [INFO] running `Command { std: "docker" "inspect" "c6c6da74becf599a5f064aaaba5351c75ba479f53d0e5340d09a3ff78388f90a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6c6da74becf599a5f064aaaba5351c75ba479f53d0e5340d09a3ff78388f90a", kill_on_drop: false }` [INFO] [stdout] c6c6da74becf599a5f064aaaba5351c75ba479f53d0e5340d09a3ff78388f90a