[INFO] cloning repository https://github.com/renyanwu/rust-avltree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/renyanwu/rust-avltree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenyanwu%2Frust-avltree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenyanwu%2Frust-avltree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ac2c854de3da6c70211f7b08ba46a82835b5f48d [INFO] testing renyanwu/rust-avltree against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenyanwu%2Frust-avltree" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/renyanwu/rust-avltree on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/renyanwu/rust-avltree [INFO] finished tweaking git repo https://github.com/renyanwu/rust-avltree [INFO] tweaked toml for git repo https://github.com/renyanwu/rust-avltree written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/renyanwu/rust-avltree already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] edb17dc4466d784290504e691d950a494ae094f741a9e1cac6aeaf731062a12d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "edb17dc4466d784290504e691d950a494ae094f741a9e1cac6aeaf731062a12d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "edb17dc4466d784290504e691d950a494ae094f741a9e1cac6aeaf731062a12d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edb17dc4466d784290504e691d950a494ae094f741a9e1cac6aeaf731062a12d", kill_on_drop: false }` [INFO] [stdout] edb17dc4466d784290504e691d950a494ae094f741a9e1cac6aeaf731062a12d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e365e1bc6cb8e40b0fb89524c200c1622a75e65fbb48101384992c5bcf00188d [INFO] running `Command { std: "docker" "start" "-a" "e365e1bc6cb8e40b0fb89524c200c1622a75e65fbb48101384992c5bcf00188d", kill_on_drop: false }` [INFO] [stderr] Compiling rust-avltree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::stdin` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::stdin; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> src/main.rs:255:5 [INFO] [stdout] | [INFO] [stdout] 255 | / while let _ = std::io::stdin().read_line(&mut line).unwrap(){ [INFO] [stdout] 256 | | line = line[0..line.len()-1].to_string(); [INFO] [stdout] 257 | | let options: Vec<&str> = line.split(' ').collect(); [INFO] [stdout] 258 | | [INFO] [stdout] ... | [INFO] [stdout] 270 | | line = String::new(); [INFO] [stdout] 271 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `Command { std: "docker" "inspect" "e365e1bc6cb8e40b0fb89524c200c1622a75e65fbb48101384992c5bcf00188d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e365e1bc6cb8e40b0fb89524c200c1622a75e65fbb48101384992c5bcf00188d", kill_on_drop: false }` [INFO] [stdout] e365e1bc6cb8e40b0fb89524c200c1622a75e65fbb48101384992c5bcf00188d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e031c7e2358e09b7a43072b9fb61766b143286a45480b47515a32643752cf8f4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e031c7e2358e09b7a43072b9fb61766b143286a45480b47515a32643752cf8f4", kill_on_drop: false }` [INFO] [stderr] Compiling rust-avltree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::stdin` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::stdin; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> src/main.rs:255:5 [INFO] [stdout] | [INFO] [stdout] 255 | / while let _ = std::io::stdin().read_line(&mut line).unwrap(){ [INFO] [stdout] 256 | | line = line[0..line.len()-1].to_string(); [INFO] [stdout] 257 | | let options: Vec<&str> = line.split(' ').collect(); [INFO] [stdout] 258 | | [INFO] [stdout] ... | [INFO] [stdout] 270 | | line = String::new(); [INFO] [stdout] 271 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.65s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e031c7e2358e09b7a43072b9fb61766b143286a45480b47515a32643752cf8f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e031c7e2358e09b7a43072b9fb61766b143286a45480b47515a32643752cf8f4", kill_on_drop: false }` [INFO] [stdout] e031c7e2358e09b7a43072b9fb61766b143286a45480b47515a32643752cf8f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2361c2956fed30ea3c1b4d0cc84da7e7621c1936dd54a52eacac45e4ab9dc33d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2361c2956fed30ea3c1b4d0cc84da7e7621c1936dd54a52eacac45e4ab9dc33d", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::io::stdin` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::stdin; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: irrefutable `while let` pattern [INFO] [stderr] --> src/main.rs:255:5 [INFO] [stderr] | [INFO] [stderr] 255 | / while let _ = std::io::stdin().read_line(&mut line).unwrap(){ [INFO] [stderr] 256 | | line = line[0..line.len()-1].to_string(); [INFO] [stderr] 257 | | let options: Vec<&str> = line.split(' ').collect(); [INFO] [stderr] 258 | | [INFO] [stderr] ... | [INFO] [stderr] 270 | | line = String::new(); [INFO] [stderr] 271 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stderr] = note: this pattern will always match, so the loop will never exit [INFO] [stderr] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_avltree-6ba53bbbd4d8cb16) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2361c2956fed30ea3c1b4d0cc84da7e7621c1936dd54a52eacac45e4ab9dc33d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2361c2956fed30ea3c1b4d0cc84da7e7621c1936dd54a52eacac45e4ab9dc33d", kill_on_drop: false }` [INFO] [stdout] 2361c2956fed30ea3c1b4d0cc84da7e7621c1936dd54a52eacac45e4ab9dc33d