[INFO] cloning repository https://github.com/vorner/mix [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vorner/mix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvorner%2Fmix", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvorner%2Fmix'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f28bcd808dd0799a495a5b9cce7b3634721bea79 [INFO] testing vorner/mix against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvorner%2Fmix" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vorner/mix on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vorner/mix [INFO] finished tweaking git repo https://github.com/vorner/mix [INFO] tweaked toml for git repo https://github.com/vorner/mix written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/vorner/mix already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded config v0.9.1 [INFO] [stderr] Downloaded rlua v0.15.2 [INFO] [stderr] Downloaded syn v0.15.6 [INFO] [stderr] Downloaded toml v0.4.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 76527a8bc14986312665248fdbc65b7dd40005140b2d4fe145546e7b5f8cd209 [INFO] running `Command { std: "docker" "start" "-a" "76527a8bc14986312665248fdbc65b7dd40005140b2d4fe145546e7b5f8cd209", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "76527a8bc14986312665248fdbc65b7dd40005140b2d4fe145546e7b5f8cd209", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76527a8bc14986312665248fdbc65b7dd40005140b2d4fe145546e7b5f8cd209", kill_on_drop: false }` [INFO] [stdout] 76527a8bc14986312665248fdbc65b7dd40005140b2d4fe145546e7b5f8cd209 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 75e99dde1fe5087cf6c45367d330f4efb5a1478658d8b9208441b95aa563a756 [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" "75e99dde1fe5087cf6c45367d330f4efb5a1478658d8b9208441b95aa563a756", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling cfg-if v0.1.5 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling futures v0.1.24 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.19 [INFO] [stderr] Compiling crossbeam-utils v0.5.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling byteorder v1.2.6 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling slab v0.4.1 [INFO] [stderr] Compiling lazycell v1.2.0 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling serde v1.0.79 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Compiling serde v0.8.23 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling regex-syntax v0.3.9 [INFO] [stderr] Compiling utf8-ranges v0.1.3 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling linked-hash-map v0.5.1 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling utf8-ranges v1.0.1 [INFO] [stderr] Compiling rust-ini v0.12.2 [INFO] [stderr] Compiling same-file v1.0.3 [INFO] [stderr] Compiling termcolor v1.0.4 [INFO] [stderr] Compiling context v2.1.0 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling rlua v0.15.2 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling humantime v1.1.1 [INFO] [stderr] Compiling yaml-rust v0.4.2 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling walkdir v2.2.5 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling smallvec v0.6.5 [INFO] [stderr] Compiling lock_api v0.1.4 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling bytes v0.4.10 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Compiling tokio-executor v0.1.5 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling tokio-io v0.1.9 [INFO] [stderr] Compiling tokio-timer v0.2.7 [INFO] [stderr] Compiling tokio-current-thread v0.1.3 [INFO] [stderr] Compiling flate2 v1.0.2 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling syn v0.15.6 [INFO] [stderr] Compiling crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling serde_test v0.8.23 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling aho-corasick v0.6.8 [INFO] [stderr] Compiling nom v4.0.0 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling crossbeam-deque v0.6.1 [INFO] [stderr] Compiling linked-hash-map v0.3.0 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling tokio-threadpool v0.1.7 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling tokio-reactor v0.1.6 [INFO] [stderr] Compiling once_cell v0.1.6 [INFO] [stderr] Compiling tokio-uds v0.2.2 [INFO] [stderr] Compiling tokio-tcp v0.1.2 [INFO] [stderr] Compiling tokio-udp v0.1.2 [INFO] [stderr] Compiling tokio-fs v0.1.3 [INFO] [stderr] Compiling tokio v0.1.11 [INFO] [stderr] Compiling serde-hjson v0.8.1 [INFO] [stderr] Compiling corona v0.4.0 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Compiling toml v0.4.7 [INFO] [stderr] Compiling serde_json v1.0.31 [INFO] [stderr] Compiling serde_derive v1.0.79 [INFO] [stderr] Compiling structopt-derive v0.2.10 [INFO] [stderr] Compiling config v0.9.1 [INFO] [stderr] Compiling failure v0.1.2 [INFO] [stderr] Compiling structopt v0.2.10 [INFO] [stderr] Compiling mix v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/mailbox/task.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn new(inner: Arc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `into_inner` [INFO] [stdout] --> src/mailbox/task.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn into_inner(self) -> Arc { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `perform` [INFO] [stdout] --> src/mailbox/task.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn perform(self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/mailbox/task.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 91 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `turn` [INFO] [stdout] --> src/mailbox/task.rs:103:19 [INFO] [stdout] | [INFO] [stdout] 103 | pub(super) fn turn(&mut self) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `MailboxContent` [INFO] [stdout] --> src/mailbox.rs:151:5 [INFO] [stdout] | [INFO] [stdout] 151 | MailboxContent(Arc), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 25s [INFO] running `Command { std: "docker" "inspect" "75e99dde1fe5087cf6c45367d330f4efb5a1478658d8b9208441b95aa563a756", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75e99dde1fe5087cf6c45367d330f4efb5a1478658d8b9208441b95aa563a756", kill_on_drop: false }` [INFO] [stdout] 75e99dde1fe5087cf6c45367d330f4efb5a1478658d8b9208441b95aa563a756 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 66f14e370b02ff8122741e9750d91cf3ceb291810d335a232525a6036ff2d3d2 [INFO] running `Command { std: "docker" "start" "-a" "66f14e370b02ff8122741e9750d91cf3ceb291810d335a232525a6036ff2d3d2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling cfg-if v0.1.5 [INFO] [stderr] Compiling futures v0.1.24 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling crossbeam-utils v0.5.0 [INFO] [stderr] Compiling byteorder v1.2.6 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling slab v0.4.1 [INFO] [stderr] Compiling lazycell v1.2.0 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling same-file v1.0.3 [INFO] [stderr] Compiling rust-ini v0.12.2 [INFO] [stderr] Compiling termcolor v1.0.4 [INFO] [stderr] Compiling humantime v1.1.1 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Compiling yaml-rust v0.4.2 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling serde v1.0.79 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling walkdir v2.2.5 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling smallvec v0.6.5 [INFO] [stderr] Compiling lock_api v0.1.4 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling context v2.1.0 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling crossbeam-deque v0.6.1 [INFO] [stderr] Compiling flate2 v1.0.2 [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling bytes v0.4.10 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling failure v0.1.2 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling aho-corasick v0.6.8 [INFO] [stderr] Compiling nom v4.0.0 [INFO] [stderr] Compiling rlua v0.15.2 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling tokio-executor v0.1.5 [INFO] [stderr] Compiling tokio-io v0.1.9 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling tokio-timer v0.2.7 [INFO] [stderr] Compiling tokio-current-thread v0.1.3 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling tokio-threadpool v0.1.7 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling serde-hjson v0.8.1 [INFO] [stderr] Compiling tokio-reactor v0.1.6 [INFO] [stderr] Compiling once_cell v0.1.6 [INFO] [stderr] Compiling tokio-fs v0.1.3 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling tokio-uds v0.2.2 [INFO] [stderr] Compiling tokio-udp v0.1.2 [INFO] [stderr] Compiling tokio-tcp v0.1.2 [INFO] [stderr] Compiling tokio v0.1.11 [INFO] [stderr] Compiling corona v0.4.0 [INFO] [stderr] Compiling structopt v0.2.10 [INFO] [stderr] Compiling serde_json v1.0.31 [INFO] [stderr] Compiling toml v0.4.7 [INFO] [stderr] Compiling config v0.9.1 [INFO] [stderr] Compiling mix v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/mailbox/task.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn new(inner: Arc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `into_inner` [INFO] [stdout] --> src/mailbox/task.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn into_inner(self) -> Arc { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `perform` [INFO] [stdout] --> src/mailbox/task.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn perform(self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/mailbox/task.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 91 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `turn` [INFO] [stdout] --> src/mailbox/task.rs:103:19 [INFO] [stdout] | [INFO] [stdout] 103 | pub(super) fn turn(&mut self) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `MailboxContent` [INFO] [stdout] --> src/mailbox.rs:151:5 [INFO] [stdout] | [INFO] [stdout] 151 | MailboxContent(Arc), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1m 20s [INFO] running `Command { std: "docker" "inspect" "66f14e370b02ff8122741e9750d91cf3ceb291810d335a232525a6036ff2d3d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66f14e370b02ff8122741e9750d91cf3ceb291810d335a232525a6036ff2d3d2", kill_on_drop: false }` [INFO] [stdout] 66f14e370b02ff8122741e9750d91cf3ceb291810d335a232525a6036ff2d3d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2d8c41804a30e99a344a9eb5246a98f7efe3af9aa6142951f4cc0284d3f0683d [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" "2d8c41804a30e99a344a9eb5246a98f7efe3af9aa6142951f4cc0284d3f0683d", kill_on_drop: false }` [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/mailbox/task.rs:12:12 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn new(inner: Arc) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `into_inner` [INFO] [stderr] --> src/mailbox/task.rs:15:12 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn into_inner(self) -> Arc { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `perform` [INFO] [stderr] --> src/mailbox/task.rs:72:8 [INFO] [stderr] | [INFO] [stderr] 72 | fn perform(self) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pop` [INFO] [stderr] --> src/mailbox/task.rs:91:8 [INFO] [stderr] | [INFO] [stderr] 91 | fn pop(&mut self) -> Option { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `turn` [INFO] [stderr] --> src/mailbox/task.rs:103:19 [INFO] [stderr] | [INFO] [stderr] 103 | pub(super) fn turn(&mut self) -> bool { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `MailboxContent` [INFO] [stderr] --> src/mailbox.rs:151:5 [INFO] [stderr] | [INFO] [stderr] 151 | MailboxContent(Arc), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mix-8f3a6150c11d19eb) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2d8c41804a30e99a344a9eb5246a98f7efe3af9aa6142951f4cc0284d3f0683d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d8c41804a30e99a344a9eb5246a98f7efe3af9aa6142951f4cc0284d3f0683d", kill_on_drop: false }` [INFO] [stdout] 2d8c41804a30e99a344a9eb5246a98f7efe3af9aa6142951f4cc0284d3f0683d