[INFO] cloning repository https://github.com/austin230196/iterator-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/austin230196/iterator-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustin230196%2Fiterator-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustin230196%2Fiterator-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7680e9232110f62af4ea87ef8fe34b3bd692bba0 [INFO] testing austin230196/iterator-playground against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustin230196%2Fiterator-playground" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/austin230196/iterator-playground on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/austin230196/iterator-playground [INFO] finished tweaking git repo https://github.com/austin230196/iterator-playground [INFO] tweaked toml for git repo https://github.com/austin230196/iterator-playground written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/austin230196/iterator-playground 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" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5b8d2c3ad757b7d389bcac4c391cde29a57492ca06fd533275b69df92b36e68f [INFO] running `Command { std: "docker" "start" "-a" "5b8d2c3ad757b7d389bcac4c391cde29a57492ca06fd533275b69df92b36e68f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b8d2c3ad757b7d389bcac4c391cde29a57492ca06fd533275b69df92b36e68f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b8d2c3ad757b7d389bcac4c391cde29a57492ca06fd533275b69df92b36e68f", kill_on_drop: false }` [INFO] [stdout] 5b8d2c3ad757b7d389bcac4c391cde29a57492ca06fd533275b69df92b36e68f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3a7dc446c6e948d27a546913cf1eac38a8b6d92d32a3a20a3d90ad811d2a454 [INFO] running `Command { std: "docker" "start" "-a" "a3a7dc446c6e948d27a546913cf1eac38a8b6d92d32a3a20a3d90ad811d2a454", kill_on_drop: false }` [INFO] [stderr] Compiling workout-generator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `fmt` and `io::prelude::*` [INFO] [stdout] --> src/lib.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt, io::prelude::*}; [INFO] [stdout] | ^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `fmt` and `io::prelude::*` [INFO] [stdout] --> src/lib.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt, io::prelude::*}; [INFO] [stdout] | ^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "a3a7dc446c6e948d27a546913cf1eac38a8b6d92d32a3a20a3d90ad811d2a454", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3a7dc446c6e948d27a546913cf1eac38a8b6d92d32a3a20a3d90ad811d2a454", kill_on_drop: false }` [INFO] [stdout] a3a7dc446c6e948d27a546913cf1eac38a8b6d92d32a3a20a3d90ad811d2a454 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d7804a8c81c785c1fac9c38e8d9ea30b068fa05d6bb00b47a924eb8af7a083a3 [INFO] running `Command { std: "docker" "start" "-a" "d7804a8c81c785c1fac9c38e8d9ea30b068fa05d6bb00b47a924eb8af7a083a3", kill_on_drop: false }` [INFO] [stderr] Compiling workout-generator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `fmt` and `io::prelude::*` [INFO] [stdout] --> src/lib.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt, io::prelude::*}; [INFO] [stdout] | ^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `fmt` and `io::prelude::*` [INFO] [stdout] --> src/lib.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt, io::prelude::*}; [INFO] [stdout] | ^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `fmt` and `io::prelude::*` [INFO] [stdout] --> src/lib.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt, io::prelude::*}; [INFO] [stdout] | ^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "d7804a8c81c785c1fac9c38e8d9ea30b068fa05d6bb00b47a924eb8af7a083a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7804a8c81c785c1fac9c38e8d9ea30b068fa05d6bb00b47a924eb8af7a083a3", kill_on_drop: false }` [INFO] [stdout] d7804a8c81c785c1fac9c38e8d9ea30b068fa05d6bb00b47a924eb8af7a083a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 39ab77cab384e1b7153ee85148ac9ac7909c4daaa3630e22d664af6f6ad4dc68 [INFO] running `Command { std: "docker" "start" "-a" "39ab77cab384e1b7153ee85148ac9ac7909c4daaa3630e22d664af6f6ad4dc68", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `fmt` and `io::prelude::*` [INFO] [stderr] --> src/lib.rs:1:11 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{fmt, io::prelude::*}; [INFO] [stderr] | ^^^ ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `workout-generator` (lib) generated 1 warning (run `cargo fix --lib -p workout-generator` to apply 1 suggestion) [INFO] [stderr] warning: found module declaration for lib.rs [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | mod lib; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: lib.rs is the root of this crate's library target [INFO] [stderr] = help: to refer to it from other targets, use the library's name as the path [INFO] [stderr] = note: `#[warn(special_module_name)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `workout-generator` (bin "workout-generator" test) generated 2 warnings (1 duplicate) [INFO] [stderr] warning: `workout-generator` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/workout_generator-c2669cdeace783e6) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test checkers::counter_iterates ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/workout_generator-ed4ada102a1966cc) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test lib::checkers::counter_iterates ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests workout_generator [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" "39ab77cab384e1b7153ee85148ac9ac7909c4daaa3630e22d664af6f6ad4dc68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39ab77cab384e1b7153ee85148ac9ac7909c4daaa3630e22d664af6f6ad4dc68", kill_on_drop: false }` [INFO] [stdout] 39ab77cab384e1b7153ee85148ac9ac7909c4daaa3630e22d664af6f6ad4dc68