[INFO] cloning repository https://github.com/princeton-sns/collected [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/princeton-sns/collected" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprinceton-sns%2Fcollected", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprinceton-sns%2Fcollected'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 995f62b01b44dd022bd5f94c6f3c92ecd3b067e5 [INFO] checking princeton-sns/collected against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprinceton-sns%2Fcollected" "/workspace/builds/worker-86/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/princeton-sns/collected on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/princeton-sns/collected [INFO] finished tweaking git repo https://github.com/princeton-sns/collected [INFO] tweaked toml for git repo https://github.com/princeton-sns/collected written to /workspace/builds/worker-86/source/Cargo.toml [INFO] crate git repo https://github.com/princeton-sns/collected already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 38621526f1144910a72d4003d1e66a0b8670b727b5774d142628efe261463343 [INFO] running `Command { std: "docker" "start" "-a" "38621526f1144910a72d4003d1e66a0b8670b727b5774d142628efe261463343", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38621526f1144910a72d4003d1e66a0b8670b727b5774d142628efe261463343", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38621526f1144910a72d4003d1e66a0b8670b727b5774d142628efe261463343", kill_on_drop: false }` [INFO] [stdout] 38621526f1144910a72d4003d1e66a0b8670b727b5774d142628efe261463343 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 65f64f011571ca37035d6b5c43c7d1fa7b7f65cd98944d52e09e30c34331310a [INFO] running `Command { std: "docker" "start" "-a" "65f64f011571ca37035d6b5c43c7d1fa7b7f65cd98944d52e09e30c34331310a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Checking getopts v0.2.18 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking wordcount v0.1.0 (/opt/rustwide/workdir/wordcount) [INFO] [stdout] warning: unused import: `BufRead` [INFO] [stdout] --> wordcount/src/main.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{BufRead, BufReader, BufWriter, Read, Write}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> wordcount/src/main.rs:29:45 [INFO] [stdout] | [INFO] [stdout] 29 | fn serialize_counts(&self, output: &mut Write) { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> wordcount/src/main.rs:36:41 [INFO] [stdout] | [INFO] [stdout] 36 | fn count_file(&mut self, file: &mut Read, buffer_size: usize) { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufRead` [INFO] [stdout] --> wordcount/src/main.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{BufRead, BufReader, BufWriter, Read, Write}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> wordcount/src/main.rs:29:45 [INFO] [stdout] | [INFO] [stdout] 29 | fn serialize_counts(&self, output: &mut Write) { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> wordcount/src/main.rs:36:41 [INFO] [stdout] | [INFO] [stdout] 36 | fn count_file(&mut self, file: &mut Read, buffer_size: usize) { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> wordcount/src/main.rs:72:28 [INFO] [stdout] | [INFO] [stdout] 72 | Err(f) => { panic!(f.to_string()) } [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 72 | Err(f) => { panic!("{}", f.to_string()) } [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> wordcount/src/main.rs:72:28 [INFO] [stdout] | [INFO] [stdout] 72 | Err(f) => { panic!(f.to_string()) } [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 72 | Err(f) => { panic!("{}", f.to_string()) } [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 45.64s [INFO] running `Command { std: "docker" "inspect" "65f64f011571ca37035d6b5c43c7d1fa7b7f65cd98944d52e09e30c34331310a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65f64f011571ca37035d6b5c43c7d1fa7b7f65cd98944d52e09e30c34331310a", kill_on_drop: false }` [INFO] [stdout] 65f64f011571ca37035d6b5c43c7d1fa7b7f65cd98944d52e09e30c34331310a