[INFO] cloning repository https://github.com/cpdean/gzip_simulator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cpdean/gzip_simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpdean%2Fgzip_simulator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpdean%2Fgzip_simulator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 64e3baccf0f914fee4175e0494e83af83e218a6c [INFO] testing cpdean/gzip_simulator against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpdean%2Fgzip_simulator" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cpdean/gzip_simulator 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/cpdean/gzip_simulator [INFO] finished tweaking git repo https://github.com/cpdean/gzip_simulator [INFO] tweaked toml for git repo https://github.com/cpdean/gzip_simulator written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/cpdean/gzip_simulator 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] a476a1aa65a472b36030a97bbec051e02ce4855713280dc0308b19327503cecb [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" "a476a1aa65a472b36030a97bbec051e02ce4855713280dc0308b19327503cecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a476a1aa65a472b36030a97bbec051e02ce4855713280dc0308b19327503cecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a476a1aa65a472b36030a97bbec051e02ce4855713280dc0308b19327503cecb", kill_on_drop: false }` [INFO] [stdout] a476a1aa65a472b36030a97bbec051e02ce4855713280dc0308b19327503cecb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1deb5c958ba130ce9c8ee9d1b36fdfd105989523f434f874c7acc733d2131a7b [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" "1deb5c958ba130ce9c8ee9d1b36fdfd105989523f434f874c7acc733d2131a7b", kill_on_drop: false }` [INFO] [stderr] Compiling termion v1.5.1 [INFO] [stderr] Compiling gunzip_simulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:13:40 [INFO] [stdout] | [INFO] [stdout] 13 | type Result = result::Result>; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 129 | break; [INFO] [stdout] | ----- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 139 | in_match = false; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `current_byte_to_find` is never read [INFO] [stdout] --> src/main.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let mut current_byte_to_find = bytes[read_position]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/main.rs:168:12 [INFO] [stdout] | [INFO] [stdout] 168 | pub fn get(&self, index: usize) -> Option> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.16s [INFO] running `Command { std: "docker" "inspect" "1deb5c958ba130ce9c8ee9d1b36fdfd105989523f434f874c7acc733d2131a7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1deb5c958ba130ce9c8ee9d1b36fdfd105989523f434f874c7acc733d2131a7b", kill_on_drop: false }` [INFO] [stdout] 1deb5c958ba130ce9c8ee9d1b36fdfd105989523f434f874c7acc733d2131a7b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 01830889232b1f6831ecf9d72931b8c83addf803ce40bc19f21d5f5e287f3a09 [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" "01830889232b1f6831ecf9d72931b8c83addf803ce40bc19f21d5f5e287f3a09", kill_on_drop: false }` [INFO] [stderr] Compiling gunzip_simulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:13:40 [INFO] [stdout] | [INFO] [stdout] 13 | type Result = result::Result>; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `GzipComponent::*` [INFO] [stdout] --> src/main.rs:242:13 [INFO] [stdout] | [INFO] [stdout] 242 | use GzipComponent::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 129 | break; [INFO] [stdout] | ----- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 139 | in_match = false; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `current_byte_to_find` is never read [INFO] [stdout] --> src/main.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let mut current_byte_to_find = bytes[read_position]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/main.rs:168:12 [INFO] [stdout] | [INFO] [stdout] 168 | pub fn get(&self, index: usize) -> Option> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_printing` [INFO] [stdout] --> src/main.rs:225:8 [INFO] [stdout] | [INFO] [stdout] 225 | fn test_printing() -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_byte_getter` [INFO] [stdout] --> src/main.rs:334:8 [INFO] [stdout] | [INFO] [stdout] 334 | fn test_byte_getter() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.48s [INFO] running `Command { std: "docker" "inspect" "01830889232b1f6831ecf9d72931b8c83addf803ce40bc19f21d5f5e287f3a09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01830889232b1f6831ecf9d72931b8c83addf803ce40bc19f21d5f5e287f3a09", kill_on_drop: false }` [INFO] [stdout] 01830889232b1f6831ecf9d72931b8c83addf803ce40bc19f21d5f5e287f3a09 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 607f46490f2ea52853e3d5e45061b6f62cf2194ca23ee43e6e817d88ab22567f [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" "607f46490f2ea52853e3d5e45061b6f62cf2194ca23ee43e6e817d88ab22567f", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] running 9 tests [INFO] [stderr] --> src/main.rs:13:40 [INFO] [stdout] test tests::test_bigger_compression_with_repeat ... ok [INFO] [stderr] | [INFO] [stdout] test tests::test_simple_repettition ... ok [INFO] [stderr] 13 | type Result = result::Result>; [INFO] [stdout] test tests::test_simple_repettition2 ... ok [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] test tests::test_no_compression ... ok [INFO] [stderr] | [INFO] [stdout] test tests::test_some_compression ... ok [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] test tests::test_bigger_compression ... ok [INFO] [stderr] [INFO] [stdout] test tests::test_bigger_compression_with_repeat_and_a_break ... ok [INFO] [stderr] warning: unused import: `GzipComponent::*` [INFO] [stderr] --> src/main.rs:242:13 [INFO] [stderr] | [INFO] [stderr] 242 | use GzipComponent::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:139:17 [INFO] [stderr] | [INFO] [stderr] 129 | break; [INFO] [stderr] | ----- any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 139 | in_match = false; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `current_byte_to_find` is never read [INFO] [stderr] --> src/main.rs:52:13 [INFO] [stderr] | [INFO] [stderr] 52 | let mut current_byte_to_find = bytes[read_position]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get` [INFO] [stderr] --> src/main.rs:168:12 [INFO] [stderr] | [INFO] [stderr] 168 | pub fn get(&self, index: usize) -> Option> { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_printing` [INFO] [stderr] --> src/main.rs:225:8 [INFO] [stderr] | [INFO] [stderr] 225 | fn test_printing() -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_byte_getter` [INFO] [stderr] --> src/main.rs:334:8 [INFO] [stderr] | [INFO] [stderr] 334 | fn test_byte_getter() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/gunzip_simulator-0f23354a475fd7cd [INFO] [stdout] test tests::test_empty ... ok [INFO] [stdout] test tests::test_simple_writing ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "607f46490f2ea52853e3d5e45061b6f62cf2194ca23ee43e6e817d88ab22567f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "607f46490f2ea52853e3d5e45061b6f62cf2194ca23ee43e6e817d88ab22567f", kill_on_drop: false }` [INFO] [stdout] 607f46490f2ea52853e3d5e45061b6f62cf2194ca23ee43e6e817d88ab22567f