[INFO] cloning repository https://github.com/pietroalbini/crater-tree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pietroalbini/crater-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpietroalbini%2Fcrater-tree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpietroalbini%2Fcrater-tree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cb28700989a73c5bf395e5fd514a1616d7428611 [INFO] checking pietroalbini/crater-tree against master#2e5723137b2b88368d018b262a0a823a1423131b for pr-78935-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpietroalbini%2Fcrater-tree" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pietroalbini/crater-tree on toolchain 2e5723137b2b88368d018b262a0a823a1423131b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pietroalbini/crater-tree [INFO] finished tweaking git repo https://github.com/pietroalbini/crater-tree [INFO] tweaked toml for git repo https://github.com/pietroalbini/crater-tree written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/pietroalbini/crater-tree already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e21ca09fc016b82c3a0a76fab2394dc1a1f7d37973d63d967d899ad0869324d9 [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" "e21ca09fc016b82c3a0a76fab2394dc1a1f7d37973d63d967d899ad0869324d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e21ca09fc016b82c3a0a76fab2394dc1a1f7d37973d63d967d899ad0869324d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e21ca09fc016b82c3a0a76fab2394dc1a1f7d37973d63d967d899ad0869324d9", kill_on_drop: false }` [INFO] [stdout] e21ca09fc016b82c3a0a76fab2394dc1a1f7d37973d63d967d899ad0869324d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2531479484fe528fa85050b2d007780eaeac567b0c1dd42556035a11efc4e6f2 [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" "2531479484fe528fa85050b2d007780eaeac567b0c1dd42556035a11efc4e6f2", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking mio v0.6.18 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling openssl-sys v0.9.47 [INFO] [stderr] Compiling backtrace v0.3.26 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking flate2 v1.0.7 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking h2 v0.1.20 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking error-chain v0.12.1 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Compiling openssl v0.10.23 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking publicsuffix v1.5.2 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking cargo_metadata v0.8.1 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.20 [INFO] [stderr] Checking hyper v0.12.29 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking reqwest v0.9.18 [INFO] [stderr] Checking crater-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 17s [INFO] running `Command { std: "docker" "inspect" "2531479484fe528fa85050b2d007780eaeac567b0c1dd42556035a11efc4e6f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2531479484fe528fa85050b2d007780eaeac567b0c1dd42556035a11efc4e6f2", kill_on_drop: false }` [INFO] [stdout] 2531479484fe528fa85050b2d007780eaeac567b0c1dd42556035a11efc4e6f2