[INFO] cloning repository https://github.com/416365416c/rust-filer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/416365416c/rust-filer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F416365416c%2Frust-filer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F416365416c%2Frust-filer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9410c42dea83e38502592743cbcd1721c00dad15 [INFO] checking 416365416c/rust-filer against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F416365416c%2Frust-filer" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/416365416c/rust-filer 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/416365416c/rust-filer [INFO] finished tweaking git repo https://github.com/416365416c/rust-filer [INFO] tweaked toml for git repo https://github.com/416365416c/rust-filer written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/416365416c/rust-filer 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c9f4d29fff7fa086b275ee41f2c2fa900686be402fdb06c479c73c80f308d0b5 [INFO] running `Command { std: "docker" "start" "-a" "c9f4d29fff7fa086b275ee41f2c2fa900686be402fdb06c479c73c80f308d0b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c9f4d29fff7fa086b275ee41f2c2fa900686be402fdb06c479c73c80f308d0b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9f4d29fff7fa086b275ee41f2c2fa900686be402fdb06c479c73c80f308d0b5", kill_on_drop: false }` [INFO] [stdout] c9f4d29fff7fa086b275ee41f2c2fa900686be402fdb06c479c73c80f308d0b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] da888d8c76a5a900f57d54f849ab5273481037c32ccddf9289a42e0f49429c25 [INFO] running `Command { std: "docker" "start" "-a" "da888d8c76a5a900f57d54f849ab5273481037c32ccddf9289a42e0f49429c25", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Checking rust_filer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `allow_idx` [INFO] [stdout] --> src/lib.rs:126:29 [INFO] [stdout] | [INFO] [stdout] 126 | let mut allow_idx: u32 = INF; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allow_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `allow_idx` [INFO] [stdout] --> src/lib.rs:126:29 [INFO] [stdout] | [INFO] [stdout] 126 | let mut allow_idx: u32 = INF; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allow_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:126:25 [INFO] [stdout] | [INFO] [stdout] 126 | let mut allow_idx: u32 = INF; [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/lib.rs:126:25 [INFO] [stdout] | [INFO] [stdout] 126 | let mut allow_idx: u32 = INF; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.80s [INFO] running `Command { std: "docker" "inspect" "da888d8c76a5a900f57d54f849ab5273481037c32ccddf9289a42e0f49429c25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da888d8c76a5a900f57d54f849ab5273481037c32ccddf9289a42e0f49429c25", kill_on_drop: false }` [INFO] [stdout] da888d8c76a5a900f57d54f849ab5273481037c32ccddf9289a42e0f49429c25 [INFO] checking 416365416c/rust-filer against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F416365416c%2Frust-filer" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/416365416c/rust-filer 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/416365416c/rust-filer [INFO] finished tweaking git repo https://github.com/416365416c/rust-filer [INFO] tweaked toml for git repo https://github.com/416365416c/rust-filer written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/416365416c/rust-filer 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6923c4af6b2e1d1e90fa82d70636cdb181451622325cf2b5025e831efc2ec8ce [INFO] running `Command { std: "docker" "start" "-a" "6923c4af6b2e1d1e90fa82d70636cdb181451622325cf2b5025e831efc2ec8ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6923c4af6b2e1d1e90fa82d70636cdb181451622325cf2b5025e831efc2ec8ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6923c4af6b2e1d1e90fa82d70636cdb181451622325cf2b5025e831efc2ec8ce", kill_on_drop: false }` [INFO] [stdout] 6923c4af6b2e1d1e90fa82d70636cdb181451622325cf2b5025e831efc2ec8ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6e4726413b5c45b34905dc7cbef8f789921c493e15f0aa0b63736f2d6f33a389 [INFO] running `Command { std: "docker" "start" "-a" "6e4726413b5c45b34905dc7cbef8f789921c493e15f0aa0b63736f2d6f33a389", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Checking rust_filer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `allow_idx` [INFO] [stdout] --> src/lib.rs:126:29 [INFO] [stdout] | [INFO] [stdout] 126 | let mut allow_idx: u32 = INF; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allow_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `allow_idx` [INFO] [stdout] --> src/lib.rs:126:29 [INFO] [stdout] | [INFO] [stdout] 126 | let mut allow_idx: u32 = INF; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allow_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:126:25 [INFO] [stdout] | [INFO] [stdout] 126 | let mut allow_idx: u32 = INF; [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/lib.rs:126:25 [INFO] [stdout] | [INFO] [stdout] 126 | let mut allow_idx: u32 = INF; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.86s [INFO] running `Command { std: "docker" "inspect" "6e4726413b5c45b34905dc7cbef8f789921c493e15f0aa0b63736f2d6f33a389", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e4726413b5c45b34905dc7cbef8f789921c493e15f0aa0b63736f2d6f33a389", kill_on_drop: false }` [INFO] [stdout] 6e4726413b5c45b34905dc7cbef8f789921c493e15f0aa0b63736f2d6f33a389