[INFO] cloning repository https://github.com/quebin31/recommendation-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quebin31/recommendation-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquebin31%2Frecommendation-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquebin31%2Frecommendation-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3c9fb5c93c13a8f4b0b9db1a8ca32c695647e37
[INFO] checking quebin31/recommendation-system against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquebin31%2Frecommendation-system" "/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/quebin31/recommendation-system on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quebin31/recommendation-system
[INFO] finished tweaking git repo https://github.com/quebin31/recommendation-system
[INFO] tweaked toml for git repo https://github.com/quebin31/recommendation-system written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/quebin31/recommendation-system already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5197a8d40433d6fe6448255793dfd3d6aef53a3900df6cf0b2dee5535e63c8d8
[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" "5197a8d40433d6fe6448255793dfd3d6aef53a3900df6cf0b2dee5535e63c8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5197a8d40433d6fe6448255793dfd3d6aef53a3900df6cf0b2dee5535e63c8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5197a8d40433d6fe6448255793dfd3d6aef53a3900df6cf0b2dee5535e63c8d8", kill_on_drop: false }`
[INFO] [stdout] 5197a8d40433d6fe6448255793dfd3d6aef53a3900df6cf0b2dee5535e63c8d8
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4aa83c30f10498521452f15d3311bc0bfe2ec38dfce8b2125a11c9281b2aa56
[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" "b4aa83c30f10498521452f15d3311bc0bfe2ec38dfce8b2125a11c9281b2aa56", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cc v1.0.55
[INFO] [stderr]     Checking futures-sink v0.3.5
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[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling syn v0.15.44
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[INFO] [stderr]    Compiling lexical-core v0.7.4
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[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking textwrap v0.11.0
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[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking addr2line v0.12.2
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[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]     Checking os_info v2.0.6
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.2
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[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking futures-intrusive v0.3.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
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[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling typed-builder v0.3.0
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling serde_with_macros v1.1.0
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking diesel v1.4.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_with v1.4.0
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking bson v1.0.0
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking config v0.1.0 (/opt/rustwide/workdir/config)
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stderr]     Checking controller v0.1.0 (/opt/rustwide/workdir/controller)
[INFO] [stderr]     Checking engine v0.1.0 (/opt/rustwide/workdir/engine)
[INFO] [stderr]     Checking mongodb v1.0.0
[INFO] [stderr]     Checking shelves v0.1.0 (/opt/rustwide/workdir/controllers/shelves)
[INFO] [stderr]     Checking movie-lens-small v0.1.0 (/opt/rustwide/workdir/controllers/movie-lens-small)
[INFO] [stderr]     Checking movie-lens v0.1.0 (/opt/rustwide/workdir/controllers/movie-lens)
[INFO] [stderr]     Checking books v0.1.0 (/opt/rustwide/workdir/controllers/books)
[INFO] [stderr]     Checking simple-movie v0.1.0 (/opt/rustwide/workdir/controllers/simple-movie)
[INFO] [stderr]     Checking recommendation-system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 46s
[INFO] running `Command { std: "docker" "inspect" "b4aa83c30f10498521452f15d3311bc0bfe2ec38dfce8b2125a11c9281b2aa56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4aa83c30f10498521452f15d3311bc0bfe2ec38dfce8b2125a11c9281b2aa56", kill_on_drop: false }`
[INFO] [stdout] b4aa83c30f10498521452f15d3311bc0bfe2ec38dfce8b2125a11c9281b2aa56