[INFO] cloning repository https://github.com/bradurani/forust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bradurani/forust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbradurani%2Fforust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbradurani%2Fforust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 81e8c6f6bfd1366d6c424194d59235efc08af7e2 [INFO] testing bradurani/forust against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbradurani%2Fforust" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bradurani/forust on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bradurani/forust [INFO] finished tweaking git repo https://github.com/bradurani/forust [INFO] tweaked toml for git repo https://github.com/bradurani/forust written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/bradurani/forust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-11/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded strsim v0.4.1 [INFO] [stderr] Downloaded yaml-rust v0.2.2 [INFO] [stderr] Downloaded ansi_term v0.6.3 [INFO] [stderr] Downloaded iterator_to_hash_map v0.9.0 [INFO] [stderr] Downloaded clap v1.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", 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] 0fc6b3103a75719d91a419fd1dfadf91862505d1fce66309964479179a3e2ed7 [INFO] running `Command { std: "docker" "start" "-a" "0fc6b3103a75719d91a419fd1dfadf91862505d1fce66309964479179a3e2ed7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0fc6b3103a75719d91a419fd1dfadf91862505d1fce66309964479179a3e2ed7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fc6b3103a75719d91a419fd1dfadf91862505d1fce66309964479179a3e2ed7", kill_on_drop: false }` [INFO] [stdout] 0fc6b3103a75719d91a419fd1dfadf91862505d1fce66309964479179a3e2ed7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1cc66d18177c38e00867d004d0c8853d6f7eda1eb618fe3c0f18652ccf52b4ae [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" "1cc66d18177c38e00867d004d0c8853d6f7eda1eb618fe3c0f18652ccf52b4ae", kill_on_drop: false }` [INFO] [stderr] Compiling yaml-rust v0.2.2 [INFO] [stderr] Compiling strsim v0.4.1 [INFO] [stderr] Compiling ansi_term v0.6.3 [INFO] [stderr] Compiling iterator_to_hash_map v0.9.0 [INFO] [stderr] Compiling clap v1.3.2 [INFO] [stderr] Compiling forust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::process::Stdio` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::process::Stdio; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:76:61 [INFO] [stdout] | [INFO] [stdout] 76 | Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:82:61 [INFO] [stdout] | [INFO] [stdout] 82 | Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let mut child = process.spawn() [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `child` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | child: Child, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.64s [INFO] running `Command { std: "docker" "inspect" "1cc66d18177c38e00867d004d0c8853d6f7eda1eb618fe3c0f18652ccf52b4ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cc66d18177c38e00867d004d0c8853d6f7eda1eb618fe3c0f18652ccf52b4ae", kill_on_drop: false }` [INFO] [stdout] 1cc66d18177c38e00867d004d0c8853d6f7eda1eb618fe3c0f18652ccf52b4ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e1e9c3cc2bae60ee52f276840337eae00918bb440a7ff48547e776b4e0342279 [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" "e1e9c3cc2bae60ee52f276840337eae00918bb440a7ff48547e776b4e0342279", kill_on_drop: false }` [INFO] [stderr] Compiling forust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::process::Stdio` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::process::Stdio; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:76:61 [INFO] [stdout] | [INFO] [stdout] 76 | Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:82:61 [INFO] [stdout] | [INFO] [stdout] 82 | Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let mut child = process.spawn() [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `child` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | child: Child, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `Command { std: "docker" "inspect" "e1e9c3cc2bae60ee52f276840337eae00918bb440a7ff48547e776b4e0342279", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1e9c3cc2bae60ee52f276840337eae00918bb440a7ff48547e776b4e0342279", kill_on_drop: false }` [INFO] [stdout] e1e9c3cc2bae60ee52f276840337eae00918bb440a7ff48547e776b4e0342279 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 739c776619719bda7bcdf5ae7e741cc3c99a4b4710e8dd1e9fd43bcaab8098c3 [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" "739c776619719bda7bcdf5ae7e741cc3c99a4b4710e8dd1e9fd43bcaab8098c3", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::process::Stdio` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::process::Stdio; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:76:61 [INFO] [stderr] | [INFO] [stderr] 76 | Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:82:61 [INFO] [stderr] | [INFO] [stderr] 82 | Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let mut child = process.spawn() [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `child` [INFO] [stderr] --> src/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | child: Child, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/forust-2c2e6011060b3812 [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "739c776619719bda7bcdf5ae7e741cc3c99a4b4710e8dd1e9fd43bcaab8098c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "739c776619719bda7bcdf5ae7e741cc3c99a4b4710e8dd1e9fd43bcaab8098c3", kill_on_drop: false }` [INFO] [stdout] 739c776619719bda7bcdf5ae7e741cc3c99a4b4710e8dd1e9fd43bcaab8098c3