[INFO] fetching crate math_thingies 0.1.0... [INFO] checking math_thingies-0.1.0 against try#86f78589b09557f70c9db3f56ad1921e0a9f76ef for pr-138438 [INFO] extracting crate math_thingies 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate math_thingies 0.1.0 on toolchain 86f78589b09557f70c9db3f56ad1921e0a9f76ef [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate math_thingies 0.1.0 [INFO] finished tweaking crates.io crate math_thingies 0.1.0 [INFO] tweaked toml for crates.io crate math_thingies 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 9 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] Error response from daemon: chown /var/lib/docker/overlay2/c6a8ff58029aa0c617afa71787546c4a19bef4b7004ac1bdd62229c1389edd78-init/work/work: no such file or directory [INFO] checking math_thingies-0.1.0 against try#86f78589b09557f70c9db3f56ad1921e0a9f76ef for pr-138438 [INFO] extracting crate math_thingies 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] checking math_thingies-0.1.0 against try#86f78589b09557f70c9db3f56ad1921e0a9f76ef for pr-138438 [INFO] extracting crate math_thingies 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate math_thingies 0.1.0 on toolchain 86f78589b09557f70c9db3f56ad1921e0a9f76ef [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate math_thingies 0.1.0 [INFO] finished tweaking crates.io crate math_thingies 0.1.0 [INFO] tweaked toml for crates.io crate math_thingies 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 9 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c8b994309a1684cfa2f509f82a2b3c36cf4d1648a30df5b2688cdf14c1246a21 [INFO] running `Command { std: "docker" "start" "-a" "c8b994309a1684cfa2f509f82a2b3c36cf4d1648a30df5b2688cdf14c1246a21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8b994309a1684cfa2f509f82a2b3c36cf4d1648a30df5b2688cdf14c1246a21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8b994309a1684cfa2f509f82a2b3c36cf4d1648a30df5b2688cdf14c1246a21", kill_on_drop: false }` [INFO] [stdout] c8b994309a1684cfa2f509f82a2b3c36cf4d1648a30df5b2688cdf14c1246a21 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a2ae3e3bcb8e9e637295b337c4c9c0892a3d84aa0952f55a39d3491859ee5779 [INFO] running `Command { std: "docker" "start" "-a" "a2ae3e3bcb8e9e637295b337c4c9c0892a3d84aa0952f55a39d3491859ee5779", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking boolinator v2.4.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Checking math_thingies v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Div` and `Mul` [INFO] [stdout] --> src/math.rs:4:47 [INFO] [stdout] | [INFO] [stdout] 4 | ops::{Add, AddAssign, Sub, SubAssign, Div, Mul, Range}, [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Div` and `Mul` [INFO] [stdout] --> src/math.rs:4:47 [INFO] [stdout] | [INFO] [stdout] 4 | ops::{Add, AddAssign, Sub, SubAssign, Div, Mul, Range}, [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `associated_type_bounds` has been stable since 1.79.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(associated_type_bounds)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `associated_type_bounds` has been stable since 1.79.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(associated_type_bounds)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `end`, `new`, and `new_unchecked` are never used [INFO] [stdout] --> src/math.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 58 | impl InUnsignedRange { [INFO] [stdout] | ------------------------------------------------------------------ associated items in this implementation [INFO] [stdout] 59 | const START: u8 = 0; [INFO] [stdout] 60 | fn end(&self) -> V { self.end } [INFO] [stdout] | ^^^ [INFO] [stdout] 61 | fn new(value: V, end: V) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 64 | fn new_unchecked(value: V, end: V) -> Self { Self::new(value, end).unwrap() } [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `end`, `new`, and `new_unchecked` are never used [INFO] [stdout] --> src/math.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 58 | impl InUnsignedRange { [INFO] [stdout] | ------------------------------------------------------------------ associated items in this implementation [INFO] [stdout] 59 | const START: u8 = 0; [INFO] [stdout] 60 | fn end(&self) -> V { self.end } [INFO] [stdout] | ^^^ [INFO] [stdout] 61 | fn new(value: V, end: V) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 64 | fn new_unchecked(value: V, end: V) -> Self { Self::new(value, end).unwrap() } [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.06s [INFO] running `Command { std: "docker" "inspect" "a2ae3e3bcb8e9e637295b337c4c9c0892a3d84aa0952f55a39d3491859ee5779", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2ae3e3bcb8e9e637295b337c4c9c0892a3d84aa0952f55a39d3491859ee5779", kill_on_drop: false }` [INFO] [stdout] a2ae3e3bcb8e9e637295b337c4c9c0892a3d84aa0952f55a39d3491859ee5779