[INFO] cloning repository https://github.com/rafacouto/rust-alphabet_cake [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rafacouto/rust-alphabet_cake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frafacouto%2Frust-alphabet_cake", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frafacouto%2Frust-alphabet_cake'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e7bfb74e564436aac10e93ea83b6618de0a9940e [INFO] checking rafacouto/rust-alphabet_cake against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frafacouto%2Frust-alphabet_cake" "/workspace/builds/worker-38/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rafacouto/rust-alphabet_cake 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/rafacouto/rust-alphabet_cake [INFO] finished tweaking git repo https://github.com/rafacouto/rust-alphabet_cake [INFO] tweaked toml for git repo https://github.com/rafacouto/rust-alphabet_cake written to /workspace/builds/worker-38/source/Cargo.toml [INFO] crate git repo https://github.com/rafacouto/rust-alphabet_cake 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-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 062b82a37b1e4464ced27db9b49258e80470cc0f35299a6c91e70f20923c120c [INFO] running `Command { std: "docker" "start" "-a" "062b82a37b1e4464ced27db9b49258e80470cc0f35299a6c91e70f20923c120c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "062b82a37b1e4464ced27db9b49258e80470cc0f35299a6c91e70f20923c120c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "062b82a37b1e4464ced27db9b49258e80470cc0f35299a6c91e70f20923c120c", kill_on_drop: false }` [INFO] [stdout] 062b82a37b1e4464ced27db9b49258e80470cc0f35299a6c91e70f20923c120c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] aa0ccf78e123c7c52fdd955f377d221775de6b75717d06e03df3c2554d6eadcf [INFO] running `Command { std: "docker" "start" "-a" "aa0ccf78e123c7c52fdd955f377d221775de6b75717d06e03df3c2554d6eadcf", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rust-gcj_input_parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:26:25 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn read(input: &mut BufRead, parts: usize) -> Vec { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) 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] --> src/main.rs:26:25 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn read(input: &mut BufRead, parts: usize) -> Vec { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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 [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "aa0ccf78e123c7c52fdd955f377d221775de6b75717d06e03df3c2554d6eadcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa0ccf78e123c7c52fdd955f377d221775de6b75717d06e03df3c2554d6eadcf", kill_on_drop: false }` [INFO] [stdout] aa0ccf78e123c7c52fdd955f377d221775de6b75717d06e03df3c2554d6eadcf