[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] checking cpdean/gzip_simulator against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpdean%2Fgzip_simulator" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cpdean/gzip_simulator on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8ae46d71cc38cb004288a0ebe0b8823fc2d4fe869fb6ae9dfdca4ef33128feee [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" "8ae46d71cc38cb004288a0ebe0b8823fc2d4fe869fb6ae9dfdca4ef33128feee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ae46d71cc38cb004288a0ebe0b8823fc2d4fe869fb6ae9dfdca4ef33128feee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ae46d71cc38cb004288a0ebe0b8823fc2d4fe869fb6ae9dfdca4ef33128feee", kill_on_drop: false }` [INFO] [stdout] 8ae46d71cc38cb004288a0ebe0b8823fc2d4fe869fb6ae9dfdca4ef33128feee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d62330c580914857296298f742799fad59ab8ec081ba7777f28aefc512e73ce [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" "4d62330c580914857296298f742799fad59ab8ec081ba7777f28aefc512e73ce", kill_on_drop: false }` [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Checking 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: 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: 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] [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 dev [unoptimized + debuginfo] target(s) in 1.29s [INFO] running `Command { std: "docker" "inspect" "4d62330c580914857296298f742799fad59ab8ec081ba7777f28aefc512e73ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d62330c580914857296298f742799fad59ab8ec081ba7777f28aefc512e73ce", kill_on_drop: false }` [INFO] [stdout] 4d62330c580914857296298f742799fad59ab8ec081ba7777f28aefc512e73ce