[INFO] fetching crate lifeguard 0.6.1... [INFO] checking lifeguard-0.6.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] extracting crate lifeguard 0.6.1 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate lifeguard 0.6.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lifeguard 0.6.1 [INFO] finished tweaking crates.io crate lifeguard 0.6.1 [INFO] tweaked toml for crates.io crate lifeguard 0.6.1 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f46a4c1657c0dab20b377c3e5655191cfa04434d49ada0045bc21fbbc583f2fc [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" "f46a4c1657c0dab20b377c3e5655191cfa04434d49ada0045bc21fbbc583f2fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f46a4c1657c0dab20b377c3e5655191cfa04434d49ada0045bc21fbbc583f2fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f46a4c1657c0dab20b377c3e5655191cfa04434d49ada0045bc21fbbc583f2fc", kill_on_drop: false }` [INFO] [stdout] f46a4c1657c0dab20b377c3e5655191cfa04434d49ada0045bc21fbbc583f2fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] caf15dbd07737399755e93ecd328a81f666bf8db0b3ceab33e4f38ac9dab0da9 [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" "caf15dbd07737399755e93ecd328a81f666bf8db0b3ceab33e4f38ac9dab0da9", kill_on_drop: false }` [INFO] [stderr] Checking lifeguard v0.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:167:5 [INFO] [stdout] | [INFO] [stdout] 167 | fn new(pool: $pool, value: T) -> $typ { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 185 | impl_recycled!{ RcRecycled, RcRecycled, Rc>> } [INFO] [stdout] | ----------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_from` [INFO] [stdout] --> src/lib.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 172 | fn new_from(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 185 | impl_recycled!{ RcRecycled, RcRecycled, Rc>> } [INFO] [stdout] | ----------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:167:5 [INFO] [stdout] | [INFO] [stdout] 167 | fn new(pool: $pool, value: T) -> $typ { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 186 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell> } [INFO] [stdout] | ----------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_from` [INFO] [stdout] --> src/lib.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 172 | fn new_from(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 186 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell> } [INFO] [stdout] | ----------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:167:5 [INFO] [stdout] | [INFO] [stdout] 167 | fn new(pool: $pool, value: T) -> $typ { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 185 | impl_recycled!{ RcRecycled, RcRecycled, Rc>> } [INFO] [stdout] | ----------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_from` [INFO] [stdout] --> src/lib.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 172 | fn new_from(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 185 | impl_recycled!{ RcRecycled, RcRecycled, Rc>> } [INFO] [stdout] | ----------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:167:5 [INFO] [stdout] | [INFO] [stdout] 167 | fn new(pool: $pool, value: T) -> $typ { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 186 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell> } [INFO] [stdout] | ----------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_from` [INFO] [stdout] --> src/lib.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 172 | fn new_from(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 186 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell> } [INFO] [stdout] | ----------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "caf15dbd07737399755e93ecd328a81f666bf8db0b3ceab33e4f38ac9dab0da9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "caf15dbd07737399755e93ecd328a81f666bf8db0b3ceab33e4f38ac9dab0da9", kill_on_drop: false }` [INFO] [stdout] caf15dbd07737399755e93ecd328a81f666bf8db0b3ceab33e4f38ac9dab0da9