[INFO] updating cached repository https://github.com/RainyD4y/os [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5cfb75cc74cb43b873428a776a87a9bda84a8349 [INFO] testing RainyD4y/os against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRainyD4y%2Fos" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] [stderr] Checking out files: 23% (53/224) Checking out files: 24% (54/224) Checking out files: 25% (56/224) Checking out files: 26% (59/224) Checking out files: 27% (61/224) Checking out files: 28% (63/224) Checking out files: 29% (65/224) Checking out files: 30% (68/224) Checking out files: 31% (70/224) Checking out files: 32% (72/224) Checking out files: 33% (74/224) Checking out files: 34% (77/224) Checking out files: 35% (79/224) Checking out files: 36% (81/224) Checking out files: 37% (83/224) Checking out files: 38% (86/224) Checking out files: 39% (88/224) Checking out files: 40% (90/224) Checking out files: 41% (92/224) Checking out files: 42% (95/224) Checking out files: 43% (97/224) Checking out files: 44% (99/224) Checking out files: 45% (101/224) Checking out files: 46% (104/224) Checking out files: 47% (106/224) Checking out files: 48% (108/224) Checking out files: 49% (110/224) Checking out files: 50% (112/224) Checking out files: 50% (114/224) Checking out files: 51% (115/224) Checking out files: 52% (117/224) Checking out files: 53% (119/224) Checking out files: 54% (121/224) Checking out files: 55% (124/224) Checking out files: 56% (126/224) Checking out files: 57% (128/224) Checking out files: 58% (130/224) Checking out files: 59% (133/224) Checking out files: 60% (135/224) Checking out files: 61% (137/224) Checking out files: 62% (139/224) Checking out files: 63% (142/224) Checking out files: 64% (144/224) Checking out files: 65% (146/224) Checking out files: 66% (148/224) Checking out files: 67% (151/224) Checking out files: 68% (153/224) Checking out files: 69% (155/224) Checking out files: 70% (157/224) Checking out files: 71% (160/224) Checking out files: 72% (162/224) Checking out files: 73% (164/224) Checking out files: 74% (166/224) Checking out files: 75% (168/224) Checking out files: 76% (171/224) Checking out files: 77% (173/224) Checking out files: 77% (174/224) Checking out files: 78% (175/224) Checking out files: 78% (176/224) Checking out files: 79% (177/224) Checking out files: 80% (180/224) Checking out files: 81% (182/224) Checking out files: 81% (183/224) Checking out files: 82% (184/224) Checking out files: 83% (186/224) Checking out files: 83% (187/224) Checking out files: 84% (189/224) Checking out files: 85% (191/224) Checking out files: 85% (192/224) Checking out files: 86% (193/224) Checking out files: 87% (195/224) Checking out files: 88% (198/224) Checking out files: 89% (200/224) Checking out files: 90% (202/224) Checking out files: 91% (204/224) Checking out files: 92% (207/224) Checking out files: 93% (209/224) Checking out files: 93% (210/224) Checking out files: 94% (211/224) Checking out files: 95% (213/224) Checking out files: 96% (216/224) Checking out files: 97% (218/224) Checking out files: 98% (220/224) Checking out files: 99% (222/224) Checking out files: 100% (224/224) Checking out files: 100% (224/224), done. [INFO] validating manifest of git repo https://github.com/RainyD4y/os on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/RainyD4y/os [INFO] finished tweaking git repo https://github.com/RainyD4y/os [INFO] tweaked toml for git repo https://github.com/RainyD4y/os written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/RainyD4y/os already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 554782bdfd154c31b886d1a0ad87bc5647cc627961998f558d459d88c4b90c3d [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" "554782bdfd154c31b886d1a0ad87bc5647cc627961998f558d459d88c4b90c3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "554782bdfd154c31b886d1a0ad87bc5647cc627961998f558d459d88c4b90c3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "554782bdfd154c31b886d1a0ad87bc5647cc627961998f558d459d88c4b90c3d", kill_on_drop: false }` [INFO] [stdout] 554782bdfd154c31b886d1a0ad87bc5647cc627961998f558d459d88c4b90c3d [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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 899378b97454e12557d4446171164d80711a8bc5edce300294ebdedc12cf540d [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" "899378b97454e12557d4446171164d80711a8bc5edce300294ebdedc12cf540d", kill_on_drop: false }` [INFO] [stderr] Compiling os v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: linking with `cc` failed: exit code: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/os-7edfd3e2015a1a8a.os.32e61evs-cgu.0.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/os-7edfd3e2015a1a8a" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" [INFO] [stdout] = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/os-7edfd3e2015a1a8a.os.32e61evs-cgu.0.rcgu.o: in function `_start': [INFO] [stdout] /opt/rustwide/workdir/src/main.rs:13: multiple definition of `_start'; /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here [INFO] [stdout] /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o: in function `_start': [INFO] [stdout] (.text+0x16): undefined reference to `__libc_csu_fini' [INFO] [stdout] /usr/bin/ld: (.text+0x1d): undefined reference to `__libc_csu_init' [INFO] [stdout] /usr/bin/ld: (.text+0x24): undefined reference to `main' [INFO] [stdout] /usr/bin/ld: (.text+0x2a): undefined reference to `__libc_start_main' [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `os`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "899378b97454e12557d4446171164d80711a8bc5edce300294ebdedc12cf540d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "899378b97454e12557d4446171164d80711a8bc5edce300294ebdedc12cf540d", kill_on_drop: false }` [INFO] [stdout] 899378b97454e12557d4446171164d80711a8bc5edce300294ebdedc12cf540d