[INFO] cloning repository https://github.com/catupper/atcoder-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/catupper/atcoder-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatupper%2Fatcoder-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatupper%2Fatcoder-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a546e7df723ae0b9a44374837063e8824b23616
[INFO] checking catupper/atcoder-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatupper%2Fatcoder-rs" "/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/catupper/atcoder-rs 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/catupper/atcoder-rs
[INFO] finished tweaking git repo https://github.com/catupper/atcoder-rs
[INFO] tweaked toml for git repo https://github.com/catupper/atcoder-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/catupper/atcoder-rs 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] 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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12b6deb285a197da36e58dd9149de27a160e92a2e6a6ebdf482d4b53e8dca877
[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" "12b6deb285a197da36e58dd9149de27a160e92a2e6a6ebdf482d4b53e8dca877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12b6deb285a197da36e58dd9149de27a160e92a2e6a6ebdf482d4b53e8dca877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12b6deb285a197da36e58dd9149de27a160e92a2e6a6ebdf482d4b53e8dca877", kill_on_drop: false }`
[INFO] [stdout] 12b6deb285a197da36e58dd9149de27a160e92a2e6a6ebdf482d4b53e8dca877
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f8a6bf1e435bccae40c01881481661d64d02200ed316cd6569b4aa92f37378f
[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" "8f8a6bf1e435bccae40c01881481661d64d02200ed316cd6569b4aa92f37378f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking bitset-fixed v0.1.0
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking whiteread v0.5.0
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling im-rc v14.3.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rand_hc v0.2.0
[INFO] [stderr]    Compiling proconio-derive v0.1.6
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking proconio v0.3.6
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking sized-chunks v0.5.3
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking nalgebra v0.20.0
[INFO] [stderr]     Checking atcoder-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "8f8a6bf1e435bccae40c01881481661d64d02200ed316cd6569b4aa92f37378f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8a6bf1e435bccae40c01881481661d64d02200ed316cd6569b4aa92f37378f", kill_on_drop: false }`
[INFO] [stdout] 8f8a6bf1e435bccae40c01881481661d64d02200ed316cd6569b4aa92f37378f