[INFO] cloning repository https://github.com/xdu-icpc/cftool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdu-icpc/cftool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdu-icpc%2Fcftool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdu-icpc%2Fcftool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fd1882083868563da72b51e4cdf732c13fe2934
[INFO] checking xdu-icpc/cftool against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdu-icpc%2Fcftool" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xdu-icpc/cftool on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xdu-icpc/cftool
[INFO] finished tweaking git repo https://github.com/xdu-icpc/cftool
[INFO] tweaked toml for git repo https://github.com/xdu-icpc/cftool written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/xdu-icpc/cftool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b60a8b939e80e07e66ee88f6d093ebac36b4b74b3fce0f38b9b6ed9d3faa0b8
[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" "4b60a8b939e80e07e66ee88f6d093ebac36b4b74b3fce0f38b9b6ed9d3faa0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b60a8b939e80e07e66ee88f6d093ebac36b4b74b3fce0f38b9b6ed9d3faa0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b60a8b939e80e07e66ee88f6d093ebac36b4b74b3fce0f38b9b6ed9d3faa0b8", kill_on_drop: false }`
[INFO] [stdout] 4b60a8b939e80e07e66ee88f6d093ebac36b4b74b3fce0f38b9b6ed9d3faa0b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df1529db9651759d0667db264cb951c7e74bcc5fe779c2cfb71b154a72d41f05
[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" "df1529db9651759d0667db264cb951c7e74bcc5fe779c2cfb71b154a72d41f05", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.43
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking rpassword v5.0.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking async-compression v0.3.5
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking backtrace v0.3.52
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking stderrlog v0.5.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling git-version-macro v0.3.4
[INFO] [stderr]     Checking git-version v0.3.4
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking pin-project v0.4.26
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking tokio-socks v0.2.2
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking serde-aux v0.6.1
[INFO] [stderr]     Checking cookie_store v0.12.0
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking cftool v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "df1529db9651759d0667db264cb951c7e74bcc5fe779c2cfb71b154a72d41f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1529db9651759d0667db264cb951c7e74bcc5fe779c2cfb71b154a72d41f05", kill_on_drop: false }`
[INFO] [stdout] df1529db9651759d0667db264cb951c7e74bcc5fe779c2cfb71b154a72d41f05