[INFO] cloning repository https://github.com/bouzuya/rust-memo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bouzuya/rust-memo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbouzuya%2Frust-memo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbouzuya%2Frust-memo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21ccd559a60efc4dd8e51213351ca874cf3180c4
[INFO] checking bouzuya/rust-memo against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbouzuya%2Frust-memo" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bouzuya/rust-memo on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bouzuya/rust-memo
[INFO] finished tweaking git repo https://github.com/bouzuya/rust-memo
[INFO] tweaked toml for git repo https://github.com/bouzuya/rust-memo written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/bouzuya/rust-memo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bf296ce4ed956656da46202ce88dd77f290552028d3f0ae18bf4af760449e8f
[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" "6bf296ce4ed956656da46202ce88dd77f290552028d3f0ae18bf4af760449e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bf296ce4ed956656da46202ce88dd77f290552028d3f0ae18bf4af760449e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf296ce4ed956656da46202ce88dd77f290552028d3f0ae18bf4af760449e8f", kill_on_drop: false }`
[INFO] [stdout] 6bf296ce4ed956656da46202ce88dd77f290552028d3f0ae18bf4af760449e8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ce09a5cc191389d104a55a02f5d71f3da057901329c3a6e9e683ecab0c5ae34
[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" "3ce09a5cc191389d104a55a02f5d71f3da057901329c3a6e9e683ecab0c5ae34", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling askama_escape v0.10.1
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.12
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tracing v0.1.18
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking brotli-sys v0.3.2
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking listenfd v0.3.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling actix-web-codegen v0.2.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking actix-threadpool v0.3.3
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking actix-service v1.0.5
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]     Checking actix-utils v1.0.6
[INFO] [stderr]     Checking actix-server v1.0.3
[INFO] [stderr]     Checking actix-tls v1.0.0
[INFO] [stderr]     Checking actix-testing v1.0.1
[INFO] [stderr]     Checking trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking actix-router v0.2.4
[INFO] [stderr]     Checking actix-connect v1.0.2
[INFO] [stderr]    Compiling askama_shared v0.10.4
[INFO] [stderr]     Checking actix-http v1.0.1
[INFO] [stderr]    Compiling askama_derive v0.10.3
[INFO] [stderr]     Checking awc v1.0.1
[INFO] [stderr]     Checking actix-web v2.0.0
[INFO] [stderr]     Checking askama v0.10.3
[INFO] [stderr]     Checking rust-memo v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 42s
[INFO] running `Command { std: "docker" "inspect" "3ce09a5cc191389d104a55a02f5d71f3da057901329c3a6e9e683ecab0c5ae34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce09a5cc191389d104a55a02f5d71f3da057901329c3a6e9e683ecab0c5ae34", kill_on_drop: false }`
[INFO] [stdout] 3ce09a5cc191389d104a55a02f5d71f3da057901329c3a6e9e683ecab0c5ae34