[INFO] updating cached repository https://github.com/raphaelrobert/maelstrom
[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] [stderr] From https://github.com/raphaelrobert/maelstrom
[INFO] [stderr]    dca085d..b3d9027  develop    -> develop
[INFO] [stderr]    6c7a679..0be3dc5  master     -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0be3dc51feef3bc3d75a8e3e7ce0a78eb2e68b96
[INFO] checking raphaelrobert/maelstrom against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraphaelrobert%2Fmaelstrom" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/raphaelrobert/maelstrom on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/raphaelrobert/maelstrom
[INFO] finished tweaking git repo https://github.com/raphaelrobert/maelstrom
[INFO] tweaked toml for git repo https://github.com/raphaelrobert/maelstrom written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/dalek-cryptography/ed25519-dalek.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 690f792e262965624243195a699be6741faa777401750548112b8b73accea7bc
[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" "690f792e262965624243195a699be6741faa777401750548112b8b73accea7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "690f792e262965624243195a699be6741faa777401750548112b8b73accea7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "690f792e262965624243195a699be6741faa777401750548112b8b73accea7bc", kill_on_drop: false }`
[INFO] [stdout] 690f792e262965624243195a699be6741faa777401750548112b8b73accea7bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f10b232090f0f8a5974359be6aa04bac5a92ee8966c6b66a670ef1c11f20687d
[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" "f10b232090f0f8a5974359be6aa04bac5a92ee8966c6b66a670ef1c11f20687d", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking aead v0.2.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking polyval v0.3.3
[INFO] [stderr]     Checking poly1305 v0.5.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking ghash v0.2.3
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking chacha20 v0.3.4
[INFO] [stderr]     Checking aes-gcm v0.3.2
[INFO] [stderr]     Checking chacha20poly1305 v0.3.3
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3 (https://github.com/dalek-cryptography/ed25519-dalek.git?branch=develop#8ebbbe5f)
[INFO] [stderr]     Checking maelstrom v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "f10b232090f0f8a5974359be6aa04bac5a92ee8966c6b66a670ef1c11f20687d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f10b232090f0f8a5974359be6aa04bac5a92ee8966c6b66a670ef1c11f20687d", kill_on_drop: false }`
[INFO] [stdout] f10b232090f0f8a5974359be6aa04bac5a92ee8966c6b66a670ef1c11f20687d