[INFO] cloning repository https://github.com/stefan1wan/Reuse-latency-tool [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefan1wan/Reuse-latency-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefan1wan%2FReuse-latency-tool", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefan1wan%2FReuse-latency-tool'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 01ee20f75c768034ba67c9f1729bdc72939212aa [INFO] checking stefan1wan/Reuse-latency-tool against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefan1wan%2FReuse-latency-tool" "/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/stefan1wan/Reuse-latency-tool 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/stefan1wan/Reuse-latency-tool [INFO] finished tweaking git repo https://github.com/stefan1wan/Reuse-latency-tool [INFO] tweaked toml for git repo https://github.com/stefan1wan/Reuse-latency-tool written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/stefan1wan/Reuse-latency-tool 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] Downloading crates ... [INFO] [stderr] Downloaded fs v0.0.5 [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] 8d5136d7aab65cc87308b0465666880f3ecf0fd0d09b6f08fc28c24b73d7e91d [INFO] running `Command { std: "docker" "start" "-a" "8d5136d7aab65cc87308b0465666880f3ecf0fd0d09b6f08fc28c24b73d7e91d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8d5136d7aab65cc87308b0465666880f3ecf0fd0d09b6f08fc28c24b73d7e91d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d5136d7aab65cc87308b0465666880f3ecf0fd0d09b6f08fc28c24b73d7e91d", kill_on_drop: false }` [INFO] [stdout] 8d5136d7aab65cc87308b0465666880f3ecf0fd0d09b6f08fc28c24b73d7e91d [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] 37c04a0610a4d1c59565f2db3e6c8ad0ef76da1d9ae245b734269f41d21bfa72 [INFO] running `Command { std: "docker" "start" "-a" "37c04a0610a4d1c59565f2db3e6c8ad0ef76da1d9ae245b734269f41d21bfa72", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.134 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking fs v0.0.5 [INFO] [stderr] Checking rltool v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `BufRead` is imported redundantly [INFO] [stdout] --> src/io_funcs.rs:4:25 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, BufRead, prelude::*}; [INFO] [stdout] | ^^^^^^^ ---------- the item `BufRead` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/io_funcs.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/lib.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `BufRead` is imported redundantly [INFO] [stdout] --> src/io_funcs.rs:4:25 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, BufRead, prelude::*}; [INFO] [stdout] | ^^^^^^^ ---------- the item `BufRead` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/io_funcs.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/lib.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rl_for_ins` is never used [INFO] [stdout] --> src/main.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn rl_for_ins(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rl_for_ins` is never used [INFO] [stdout] --> src/main.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn rl_for_ins(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.15s [INFO] running `Command { std: "docker" "inspect" "37c04a0610a4d1c59565f2db3e6c8ad0ef76da1d9ae245b734269f41d21bfa72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37c04a0610a4d1c59565f2db3e6c8ad0ef76da1d9ae245b734269f41d21bfa72", kill_on_drop: false }` [INFO] [stdout] 37c04a0610a4d1c59565f2db3e6c8ad0ef76da1d9ae245b734269f41d21bfa72 [INFO] checking stefan1wan/Reuse-latency-tool against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefan1wan%2FReuse-latency-tool" "/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/stefan1wan/Reuse-latency-tool 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/stefan1wan/Reuse-latency-tool [INFO] finished tweaking git repo https://github.com/stefan1wan/Reuse-latency-tool [INFO] tweaked toml for git repo https://github.com/stefan1wan/Reuse-latency-tool written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/stefan1wan/Reuse-latency-tool 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] e8211d708fe7cafa97cc5e871f4057df62a9773db0d52a1777b1bbb507a21f86 [INFO] running `Command { std: "docker" "start" "-a" "e8211d708fe7cafa97cc5e871f4057df62a9773db0d52a1777b1bbb507a21f86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e8211d708fe7cafa97cc5e871f4057df62a9773db0d52a1777b1bbb507a21f86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8211d708fe7cafa97cc5e871f4057df62a9773db0d52a1777b1bbb507a21f86", kill_on_drop: false }` [INFO] [stdout] e8211d708fe7cafa97cc5e871f4057df62a9773db0d52a1777b1bbb507a21f86 [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] 7f9a0f2f41d7598a2040cc4d63d775adeea58f5afca745bc41f6bf391f85d508 [INFO] running `Command { std: "docker" "start" "-a" "7f9a0f2f41d7598a2040cc4d63d775adeea58f5afca745bc41f6bf391f85d508", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.134 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking fs v0.0.5 [INFO] [stderr] Checking rltool v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `BufRead` is imported redundantly [INFO] [stdout] --> src/io_funcs.rs:4:25 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, BufRead, prelude::*}; [INFO] [stdout] | ^^^^^^^ ---------- the item `BufRead` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/io_funcs.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/lib.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `BufRead` is imported redundantly [INFO] [stdout] --> src/io_funcs.rs:4:25 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, BufRead, prelude::*}; [INFO] [stdout] | ^^^^^^^ ---------- the item `BufRead` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/io_funcs.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/lib.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rl_for_ins` is never used [INFO] [stdout] --> src/main.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn rl_for_ins(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rl_for_ins` is never used [INFO] [stdout] --> src/main.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn rl_for_ins(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.11s [INFO] running `Command { std: "docker" "inspect" "7f9a0f2f41d7598a2040cc4d63d775adeea58f5afca745bc41f6bf391f85d508", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f9a0f2f41d7598a2040cc4d63d775adeea58f5afca745bc41f6bf391f85d508", kill_on_drop: false }` [INFO] [stdout] 7f9a0f2f41d7598a2040cc4d63d775adeea58f5afca745bc41f6bf391f85d508