[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] building princeton-sns/collected against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprinceton-sns%2Fcollected" "/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/princeton-sns/collected on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "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-3-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 238f583388a8afa9393bb47e746a577b5f81d130340acb89c4e830fe568ddd36 [INFO] running `Command { std: "docker" "start" "-a" "238f583388a8afa9393bb47e746a577b5f81d130340acb89c4e830fe568ddd36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "238f583388a8afa9393bb47e746a577b5f81d130340acb89c4e830fe568ddd36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "238f583388a8afa9393bb47e746a577b5f81d130340acb89c4e830fe568ddd36", kill_on_drop: false }` [INFO] [stdout] 238f583388a8afa9393bb47e746a577b5f81d130340acb89c4e830fe568ddd36 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be4280307e891550db7baa2eaa60eeeeb397dd7d06a5adf15b2a345fbe65c4a4 [INFO] running `Command { std: "docker" "start" "-a" "be4280307e891550db7baa2eaa60eeeeb397dd7d06a5adf15b2a345fbe65c4a4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling getopts v0.2.18 [INFO] [stderr] Compiling num_cpus v1.10.0 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling 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] | ^^^^^ [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 29 | fn serialize_counts(&self, output: &mut dyn Write) { [INFO] [stdout] | +++ [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] | ^^^^ [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] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 36 | fn count_file(&mut self, file: &mut dyn Read, buffer_size: usize) { [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: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.81s [INFO] running `Command { std: "docker" "inspect" "be4280307e891550db7baa2eaa60eeeeb397dd7d06a5adf15b2a345fbe65c4a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be4280307e891550db7baa2eaa60eeeeb397dd7d06a5adf15b2a345fbe65c4a4", kill_on_drop: false }` [INFO] [stdout] be4280307e891550db7baa2eaa60eeeeb397dd7d06a5adf15b2a345fbe65c4a4 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8501935eb8617890011322649fd7fa181dcf4735e0a39c3bc297c81f2fad6a5d [INFO] running `Command { std: "docker" "start" "-a" "8501935eb8617890011322649fd7fa181dcf4735e0a39c3bc297c81f2fad6a5d", kill_on_drop: false }` [INFO] [stderr] Compiling 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] | ^^^^^ [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 29 | fn serialize_counts(&self, output: &mut dyn Write) { [INFO] [stdout] | +++ [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] | ^^^^ [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] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 36 | fn count_file(&mut self, file: &mut dyn Read, buffer_size: usize) { [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: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s [INFO] running `Command { std: "docker" "inspect" "8501935eb8617890011322649fd7fa181dcf4735e0a39c3bc297c81f2fad6a5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8501935eb8617890011322649fd7fa181dcf4735e0a39c3bc297c81f2fad6a5d", kill_on_drop: false }` [INFO] [stdout] 8501935eb8617890011322649fd7fa181dcf4735e0a39c3bc297c81f2fad6a5d