[INFO] fetching crate crdt-list 0.4.1... [INFO] checking crdt-list-0.4.1 against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776 [INFO] extracting crate crdt-list 0.4.1 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate crdt-list 0.4.1 on toolchain a26e97be8826d408309fffbd8168362365719f50 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate crdt-list 0.4.1 [INFO] finished tweaking crates.io crate crdt-list 0.4.1 [INFO] tweaked toml for crates.io crate crdt-list 0.4.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 48 packages to latest compatible versions [INFO] [stderr] Adding backtrace v0.3.71 (available: v0.3.74) [INFO] [stderr] Adding color-backtrace v0.5.1 (available: v0.7.0) [INFO] [stderr] Adding ctor v0.1.26 (available: v0.2.9) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded arref v0.1.0 [INFO] [stderr] Downloaded color-backtrace v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d88a356531cba9f2d459f56cce1c61764b5ad613c94134a6b84548ecc984f350 [INFO] running `Command { std: "docker" "start" "-a" "d88a356531cba9f2d459f56cce1c61764b5ad613c94134a6b84548ecc984f350", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d88a356531cba9f2d459f56cce1c61764b5ad613c94134a6b84548ecc984f350", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d88a356531cba9f2d459f56cce1c61764b5ad613c94134a6b84548ecc984f350", kill_on_drop: false }` [INFO] [stdout] d88a356531cba9f2d459f56cce1c61764b5ad613c94134a6b84548ecc984f350 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b740e231b736a01baa42689bdfef74b3eec9829469b1cd318234a046f273d82a [INFO] running `Command { std: "docker" "start" "-a" "b740e231b736a01baa42689bdfef74b3eec9829469b1cd318234a046f273d82a", kill_on_drop: false }` [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling unicode-ident v1.0.16 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking arref v0.1.0 [INFO] [stderr] Checking miniz_oxide v0.7.4 [INFO] [stderr] Checking crdt-list v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling cc v1.2.13 [INFO] [stdout] warning: methods `real_len`, `real_index`, `iter_real`, and `iter_real_mut` are never used [INFO] [stdout] --> src/dumb_common.rs:59:12 [INFO] [stdout] | [INFO] [stdout] 58 | impl Content { [INFO] [stdout] | ------------ methods in this implementation [INFO] [stdout] 59 | pub fn real_len(&self) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn real_index(&self, index: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | pub fn iter_real(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | pub fn iter_real_mut(&mut self) -> impl Iterator { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `content`, `version_vector`, `max_clock`, and `id` are never read [INFO] [stdout] --> src/dumb_common.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 86 | pub struct Container { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 87 | pub content: Content, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 88 | /// exclusive end [INFO] [stdout] 89 | pub version_vector: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 90 | pub max_clock: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 91 | pub id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Container` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling ctor v0.1.26 [INFO] [stderr] Checking color-backtrace v0.5.1 [INFO] [stdout] warning: methods `real_len`, `real_index`, `iter_real`, and `iter_real_mut` are never used [INFO] [stdout] --> src/dumb_common.rs:59:12 [INFO] [stdout] | [INFO] [stdout] 58 | impl Content { [INFO] [stdout] | ------------ methods in this implementation [INFO] [stdout] 59 | pub fn real_len(&self) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn real_index(&self, index: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | pub fn iter_real(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | pub fn iter_real_mut(&mut self) -> impl Iterator { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `content`, `version_vector`, `max_clock`, and `id` are never read [INFO] [stdout] --> src/dumb_common.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 86 | pub struct Container { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 87 | pub content: Content, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 88 | /// exclusive end [INFO] [stdout] 89 | pub version_vector: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 90 | pub max_clock: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 91 | pub id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Container` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.79s [INFO] running `Command { std: "docker" "inspect" "b740e231b736a01baa42689bdfef74b3eec9829469b1cd318234a046f273d82a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b740e231b736a01baa42689bdfef74b3eec9829469b1cd318234a046f273d82a", kill_on_drop: false }` [INFO] [stdout] b740e231b736a01baa42689bdfef74b3eec9829469b1cd318234a046f273d82a