[INFO] cloning repository https://github.com/erochest/hashed-id
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erochest/hashed-id" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferochest%2Fhashed-id", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferochest%2Fhashed-id'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40fe526ddf63e06b610dce89d2f8a8091ab8bbb0
[INFO] checking erochest/hashed-id against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferochest%2Fhashed-id" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erochest/hashed-id on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erochest/hashed-id
[INFO] finished tweaking git repo https://github.com/erochest/hashed-id
[INFO] tweaked toml for git repo https://github.com/erochest/hashed-id written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/erochest/hashed-id already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error v0.4.4
[INFO] [stderr]   Downloaded predicates-core v1.0.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.0
[INFO] [stderr]   Downloaded toml v0.4.10
[INFO] [stderr]   Downloaded assert_cmd v0.12.0
[INFO] [stderr]   Downloaded escargot v0.5.0
[INFO] [stderr]   Downloaded serde_json v1.0.44
[INFO] [stderr]   Downloaded predicates v1.0.2
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.56
[INFO] [stderr]   Downloaded anyhow v1.0.26
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.56
[INFO] [stderr]   Downloaded termcolor v1.0.5
[INFO] [stderr]   Downloaded js-sys v0.3.33
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.2
[INFO] [stderr]   Downloaded env_logger v0.7.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.56
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.56
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded proc-macro2 v1.0.7
[INFO] [stderr]   Downloaded structopt-derive v0.4.0
[INFO] [stderr]   Downloaded doc-comment v0.3.1
[INFO] [stderr]   Downloaded structopt v0.3.7
[INFO] [stderr]   Downloaded syn v1.0.13
[INFO] [stderr]   Downloaded cc v1.0.48
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded bumpalo v2.6.0
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.3
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded scopeguard v1.0.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.0
[INFO] [stderr]   Downloaded web-sys v0.3.33
[INFO] [stderr]   Downloaded crossbeam v0.7.3
[INFO] [stderr]   Downloaded ring v0.16.9
[INFO] [stderr]   Downloaded confy v0.3.1
[INFO] [stderr]   Downloaded clap-verbosity-flag v0.3.0
[INFO] [stderr]   Downloaded directories v0.10.0
[INFO] [stderr]   Downloaded data-encoding v2.1.2
[INFO] [stderr]   Downloaded sourcefile v0.1.4
[INFO] [stderr]   Downloaded wincolor v1.0.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.0
[INFO] [stderr]   Downloaded winapi-util v0.1.2
[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded num_cpus v1.11.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.56
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.56
[INFO] [stderr]   Downloaded weedle v0.10.0
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded syn-mid v0.4.0
[INFO] [stderr]   Downloaded rustversion v1.0.1
[INFO] [stderr]   Downloaded untrusted v0.7.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.0
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd8b06cd904cf7a756ac12360f79f10e90802d3777acb4d912b60df32aeb1930
[INFO] running `Command { std: "docker" "start" "-a" "bd8b06cd904cf7a756ac12360f79f10e90802d3777acb4d912b60df32aeb1930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd8b06cd904cf7a756ac12360f79f10e90802d3777acb4d912b60df32aeb1930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd8b06cd904cf7a756ac12360f79f10e90802d3777acb4d912b60df32aeb1930", kill_on_drop: false }`
[INFO] [stdout] bd8b06cd904cf7a756ac12360f79f10e90802d3777acb4d912b60df32aeb1930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 99c0630eb58b5d1d9992c2c36102e759dd54fe051152148b3275005c6c4bfbbf
[INFO] running `Command { std: "docker" "start" "-a" "99c0630eb58b5d1d9992c2c36102e759dd54fe051152148b3275005c6c4bfbbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking directories v0.10.0
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking predicates v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]     Checking structopt v0.3.7
[INFO] [stderr]     Checking clap-verbosity-flag v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking confy v0.3.1
[INFO] [stderr]     Checking hashed-id v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert_cmd v0.12.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "99c0630eb58b5d1d9992c2c36102e759dd54fe051152148b3275005c6c4bfbbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c0630eb58b5d1d9992c2c36102e759dd54fe051152148b3275005c6c4bfbbf", kill_on_drop: false }`
[INFO] [stdout] 99c0630eb58b5d1d9992c2c36102e759dd54fe051152148b3275005c6c4bfbbf