[INFO] cloning repository https://github.com/existent1al/rust-kernel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/existent1al/rust-kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexistent1al%2Frust-kernel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexistent1al%2Frust-kernel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f5a3e18af86a0bd0ab901d6cfb8b8cb0ff018b5
[INFO] checking existent1al/rust-kernel against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexistent1al%2Frust-kernel" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  28% (80/285)
Updating files:  29% (83/285)
Updating files:  30% (86/285)
Updating files:  31% (89/285)
Updating files:  32% (92/285)
Updating files:  33% (95/285)
Updating files:  34% (97/285)
Updating files:  35% (100/285)
Updating files:  36% (103/285)
Updating files:  37% (106/285)
Updating files:  38% (109/285)
Updating files:  39% (112/285)
Updating files:  40% (114/285)
Updating files:  41% (117/285)
Updating files:  42% (120/285)
Updating files:  43% (123/285)
Updating files:  44% (126/285)
Updating files:  45% (129/285)
Updating files:  46% (132/285)
Updating files:  47% (134/285)
Updating files:  48% (137/285)
Updating files:  49% (140/285)
Updating files:  50% (143/285)
Updating files:  51% (146/285)
Updating files:  52% (149/285)
Updating files:  53% (152/285)
Updating files:  54% (154/285)
Updating files:  55% (157/285)
Updating files:  56% (160/285)
Updating files:  57% (163/285)
Updating files:  58% (166/285)
Updating files:  59% (169/285)
Updating files:  60% (171/285)
Updating files:  61% (174/285)
Updating files:  62% (177/285)
Updating files:  63% (180/285)
Updating files:  64% (183/285)
Updating files:  65% (186/285)
Updating files:  66% (189/285)
Updating files:  67% (191/285)
Updating files:  68% (194/285)
Updating files:  69% (197/285)
Updating files:  70% (200/285)
Updating files:  71% (203/285)
Updating files:  72% (206/285)
Updating files:  73% (209/285)
Updating files:  74% (211/285)
Updating files:  75% (214/285)
Updating files:  76% (217/285)
Updating files:  77% (220/285)
Updating files:  78% (223/285)
Updating files:  79% (226/285)
Updating files:  80% (228/285)
Updating files:  81% (231/285)
Updating files:  82% (234/285)
Updating files:  83% (237/285)
Updating files:  84% (240/285)
Updating files:  85% (243/285)
Updating files:  86% (246/285)
Updating files:  87% (248/285)
Updating files:  88% (251/285)
Updating files:  89% (254/285)
Updating files:  90% (257/285)
Updating files:  91% (260/285)
Updating files:  92% (263/285)
Updating files:  93% (266/285)
Updating files:  94% (268/285)
Updating files:  95% (271/285)
Updating files:  96% (274/285)
Updating files:  96% (275/285)
Updating files:  97% (277/285)
Updating files:  98% (280/285)
Updating files:  99% (283/285)
Updating files: 100% (285/285)
Updating files: 100% (285/285), done.
[INFO] validating manifest of git repo https://github.com/existent1al/rust-kernel on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/existent1al/rust-kernel
[INFO] finished tweaking git repo https://github.com/existent1al/rust-kernel
[INFO] tweaked toml for git repo https://github.com/existent1al/rust-kernel written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/existent1al/rust-kernel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused config key `unstable.buiild-std-features` in `/workspace/builds/worker-7/source/.cargo/config.toml`
[INFO] [stderr] warning: unused manifest key: profile.dev.painc
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader v0.9.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d679f1822e69f14e9a4cfd63500d859863de53cc3d69905d17eb393eb8868512
[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" "d679f1822e69f14e9a4cfd63500d859863de53cc3d69905d17eb393eb8868512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d679f1822e69f14e9a4cfd63500d859863de53cc3d69905d17eb393eb8868512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d679f1822e69f14e9a4cfd63500d859863de53cc3d69905d17eb393eb8868512", kill_on_drop: false }`
[INFO] [stdout] d679f1822e69f14e9a4cfd63500d859863de53cc3d69905d17eb393eb8868512
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aeff9c31c7da9dd6225cec8991946ee213a24f16141d75172fd90cf97f48fb58
[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" "aeff9c31c7da9dd6225cec8991946ee213a24f16141d75172fd90cf97f48fb58", kill_on_drop: false }`
[INFO] [stderr] warning: unused config key `unstable.buiild-std-features` in `/opt/rustwide/workdir/.cargo/config.toml`
[INFO] [stderr] warning: unused manifest key: profile.dev.painc
[INFO] [stderr] error: "/opt/rustwide/rustup-home/toolchains/9c1dcf141bc0875407c4eb36972857bd3db713e2/lib/rustlib/src/rust/Cargo.lock" does not exist, unable to build with the standard library, try:
[INFO] [stderr]         rustup component add rust-src
[INFO] running `Command { std: "docker" "inspect" "aeff9c31c7da9dd6225cec8991946ee213a24f16141d75172fd90cf97f48fb58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeff9c31c7da9dd6225cec8991946ee213a24f16141d75172fd90cf97f48fb58", kill_on_drop: false }`
[INFO] [stdout] aeff9c31c7da9dd6225cec8991946ee213a24f16141d75172fd90cf97f48fb58