[INFO] fetching crate may 0.3.18... [INFO] checking may-0.3.18 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502 [INFO] extracting crate may 0.3.18 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate may 0.3.18 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate may 0.3.18 [INFO] finished tweaking crates.io crate may 0.3.18 [INFO] tweaked toml for crates.io crate may 0.3.18 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate crates.io crate may 0.3.18 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 14c3dfb8d80f795389f834dec7f004aa16da745a6cd96b1c84108fabcaf81c8d [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" "14c3dfb8d80f795389f834dec7f004aa16da745a6cd96b1c84108fabcaf81c8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "14c3dfb8d80f795389f834dec7f004aa16da745a6cd96b1c84108fabcaf81c8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14c3dfb8d80f795389f834dec7f004aa16da745a6cd96b1c84108fabcaf81c8d", kill_on_drop: false }` [INFO] [stdout] 14c3dfb8d80f795389f834dec7f004aa16da745a6cd96b1c84108fabcaf81c8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 931d18f9fafd513975316d31eedae67813696f7a7d91fc95359a486e750ed6d3 [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" "931d18f9fafd513975316d31eedae67813696f7a7d91fc95359a486e750ed6d3", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Compiling serde v1.0.112 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking strsim v0.9.3 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking input_buffer v0.3.1 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling generator v0.6.21 [INFO] [stderr] Compiling may_queue v0.1.7 [INFO] [stderr] Compiling may v0.3.18 (/opt/rustwide/workdir) [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-channel v0.4.2 [INFO] [stderr] Compiling openssl v0.10.29 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking tungstenite v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.112 [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:26:30 [INFO] [stdout] | [INFO] [stdout] 26 | #![cfg_attr(nightly, feature(specialization))] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking docopt v1.1.0 [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:26:30 [INFO] [stdout] | [INFO] [stdout] 26 | #![cfg_attr(nightly, feature(specialization))] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 58.46s [INFO] running `Command { std: "docker" "inspect" "931d18f9fafd513975316d31eedae67813696f7a7d91fc95359a486e750ed6d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "931d18f9fafd513975316d31eedae67813696f7a7d91fc95359a486e750ed6d3", kill_on_drop: false }` [INFO] [stdout] 931d18f9fafd513975316d31eedae67813696f7a7d91fc95359a486e750ed6d3