[INFO] cloning repository https://github.com/sterashima78/atcoder-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sterashima78/atcoder-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsterashima78%2Fatcoder-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsterashima78%2Fatcoder-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7950ce2b6866de682cc6ab269a98d0113052e52b
[INFO] checking sterashima78/atcoder-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsterashima78%2Fatcoder-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sterashima78/atcoder-rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/sterashima78/atcoder-rust
[INFO] finished tweaking git repo https://github.com/sterashima78/atcoder-rust
[INFO] tweaked toml for git repo https://github.com/sterashima78/atcoder-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sterashima78/atcoder-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cli_test_dir v0.1.7
[INFO] [stderr]   Downloaded proconio-derive v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2c9950635a020333751b3e6375f15d12c1de38796d93f095f07d5b867916bd4
[INFO] running `Command { std: "docker" "start" "-a" "e2c9950635a020333751b3e6375f15d12c1de38796d93f095f07d5b867916bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2c9950635a020333751b3e6375f15d12c1de38796d93f095f07d5b867916bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c9950635a020333751b3e6375f15d12c1de38796d93f095f07d5b867916bd4", kill_on_drop: false }`
[INFO] [stdout] e2c9950635a020333751b3e6375f15d12c1de38796d93f095f07d5b867916bd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 346165a6515361f9de4ae79f63cd0f99bb29cc312bcd82684002723cdfc58fd1
[INFO] running `Command { std: "docker" "start" "-a" "346165a6515361f9de4ae79f63cd0f99bb29cc312bcd82684002723cdfc58fd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling im-rc v14.3.0
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking bitset-fixed v0.1.0
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking whiteread v0.5.0
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking cli_test_dir v0.1.7
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.18
[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 rand_core v0.5.1
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking generic-array v0.13.3
[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]     Checking alga v0.9.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sized-chunks v0.5.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking nalgebra v0.20.0
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling proconio-derive v0.1.9
[INFO] [stderr]     Checking proconio v0.3.6
[INFO] [stderr]     Checking abc009A v0.1.0 (/opt/rustwide/workdir/abc/abc009A)
[INFO] [stderr]     Checking abc006A v0.1.0 (/opt/rustwide/workdir/abc/abc006A)
[INFO] [stderr]     Checking abc008A v0.1.0 (/opt/rustwide/workdir/abc/abc008A)
[INFO] [stderr]     Checking abc002A v0.1.0 (/opt/rustwide/workdir/abc/abc002A)
[INFO] [stderr]     Checking abc004A v0.1.0 (/opt/rustwide/workdir/abc/abc004A)
[INFO] [stderr]     Checking abc010A v0.1.0 (/opt/rustwide/workdir/abc/abc010A)
[INFO] [stderr]     Checking abc005A v0.1.0 (/opt/rustwide/workdir/abc/abc005A)
[INFO] [stderr]     Checking abc007A v0.1.0 (/opt/rustwide/workdir/abc/abc007A)
[INFO] [stderr]     Checking abc003A v0.1.0 (/opt/rustwide/workdir/abc/abc003A)
[INFO] [stderr]     Checking abc001A v0.1.0 (/opt/rustwide/workdir/abc/abc001A)
[INFO] [stderr]     Checking abc001B v0.1.0 (/opt/rustwide/workdir/abc/abc001B)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.10s
[INFO] running `Command { std: "docker" "inspect" "346165a6515361f9de4ae79f63cd0f99bb29cc312bcd82684002723cdfc58fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "346165a6515361f9de4ae79f63cd0f99bb29cc312bcd82684002723cdfc58fd1", kill_on_drop: false }`
[INFO] [stdout] 346165a6515361f9de4ae79f63cd0f99bb29cc312bcd82684002723cdfc58fd1
[INFO] checking sterashima78/atcoder-rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsterashima78%2Fatcoder-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sterashima78/atcoder-rust on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/sterashima78/atcoder-rust
[INFO] finished tweaking git repo https://github.com/sterashima78/atcoder-rust
[INFO] tweaked toml for git repo https://github.com/sterashima78/atcoder-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sterashima78/atcoder-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab3a575cbe8a9f838738cfb23f878ea2f4073638f648a137eb7264f76fbead29
[INFO] running `Command { std: "docker" "start" "-a" "ab3a575cbe8a9f838738cfb23f878ea2f4073638f648a137eb7264f76fbead29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab3a575cbe8a9f838738cfb23f878ea2f4073638f648a137eb7264f76fbead29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3a575cbe8a9f838738cfb23f878ea2f4073638f648a137eb7264f76fbead29", kill_on_drop: false }`
[INFO] [stdout] ab3a575cbe8a9f838738cfb23f878ea2f4073638f648a137eb7264f76fbead29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b521ac7b92d0f35455f7e80d9d435be35aafd881aaba5ccdd8ffc6d73774d970
[INFO] running `Command { std: "docker" "start" "-a" "b521ac7b92d0f35455f7e80d9d435be35aafd881aaba5ccdd8ffc6d73774d970", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling im-rc v14.3.0
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking bitset-fixed v0.1.0
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking whiteread v0.5.0
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking cli_test_dir v0.1.7
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rand_hc v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sized-chunks v0.5.3
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking nalgebra v0.20.0
[INFO] [stderr]    Compiling proconio-derive v0.1.9
[INFO] [stderr]     Checking proconio v0.3.6
[INFO] [stderr]     Checking abc002A v0.1.0 (/opt/rustwide/workdir/abc/abc002A)
[INFO] [stderr]     Checking abc010A v0.1.0 (/opt/rustwide/workdir/abc/abc010A)
[INFO] [stderr]     Checking abc001B v0.1.0 (/opt/rustwide/workdir/abc/abc001B)
[INFO] [stderr]     Checking abc004A v0.1.0 (/opt/rustwide/workdir/abc/abc004A)
[INFO] [stderr]     Checking abc007A v0.1.0 (/opt/rustwide/workdir/abc/abc007A)
[INFO] [stderr]     Checking abc006A v0.1.0 (/opt/rustwide/workdir/abc/abc006A)
[INFO] [stderr]     Checking abc001A v0.1.0 (/opt/rustwide/workdir/abc/abc001A)
[INFO] [stderr]     Checking abc009A v0.1.0 (/opt/rustwide/workdir/abc/abc009A)
[INFO] [stderr]     Checking abc005A v0.1.0 (/opt/rustwide/workdir/abc/abc005A)
[INFO] [stderr]     Checking abc003A v0.1.0 (/opt/rustwide/workdir/abc/abc003A)
[INFO] [stderr]     Checking abc008A v0.1.0 (/opt/rustwide/workdir/abc/abc008A)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.45s
[INFO] running `Command { std: "docker" "inspect" "b521ac7b92d0f35455f7e80d9d435be35aafd881aaba5ccdd8ffc6d73774d970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b521ac7b92d0f35455f7e80d9d435be35aafd881aaba5ccdd8ffc6d73774d970", kill_on_drop: false }`
[INFO] [stdout] b521ac7b92d0f35455f7e80d9d435be35aafd881aaba5ccdd8ffc6d73774d970