[INFO] cloning repository https://github.com/collabook/core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/collabook/core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcollabook%2Fcore", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcollabook%2Fcore'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bfee3de1eb815caafcbb8f5a70fbf8cd90a4152
[INFO] checking collabook/core against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcollabook%2Fcore" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/collabook/core on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/collabook/core
[INFO] finished tweaking git repo https://github.com/collabook/core
[INFO] tweaked toml for git repo https://github.com/collabook/core written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/collabook/core already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded widestring v0.2.2
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[INFO] [stderr]   Downloaded syn v0.15.24
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[INFO] [stderr]   Downloaded libssh2-sys v0.2.11
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[INFO] [stderr]   Downloaded cc v1.0.28
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[INFO] [stderr]   Downloaded tokio-threadpool v0.1.10
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] 5135fe81137f63da703da65c455a35413ee9edbafc508bc571395c1613d27f71
[INFO] running `Command { std: "docker" "start" "-a" "5135fe81137f63da703da65c455a35413ee9edbafc508bc571395c1613d27f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5135fe81137f63da703da65c455a35413ee9edbafc508bc571395c1613d27f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5135fe81137f63da703da65c455a35413ee9edbafc508bc571395c1613d27f71", kill_on_drop: false }`
[INFO] [stdout] 5135fe81137f63da703da65c455a35413ee9edbafc508bc571395c1613d27f71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a47bccd7f50c7357a8b777168eb459e15270c8aa3c1d54dc801788ffb173a8ff
[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" "a47bccd7f50c7357a8b777168eb459e15270c8aa3c1d54dc801788ffb173a8ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.28
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[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.16
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling miniz-sys v0.1.11
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[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
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[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rand_pcg v0.1.1
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[INFO] [stderr]     Checking tokio-io v0.1.11
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[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling combine v3.0.0-beta.1
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking uuid v0.7.1
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[INFO] [stderr]    Compiling phf_shared v0.7.24
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[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking tokio-codec v0.1.1
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[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling serde_json v1.0.34
[INFO] [stderr]     Checking parking_lot v0.7.1
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[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.10
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking tokio v0.1.14
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking hyper v0.12.20
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling v_escape_derive v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking reqwest v0.9.8
[INFO] [stderr]     Checking trust-dns-proto v0.6.1
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]    Compiling graphql-parser v0.2.0
[INFO] [stderr]     Checking trust-dns-resolver v0.10.2
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking actix-net v0.2.6
[INFO] [stderr]    Compiling graphql_client_codegen v0.6.0
[INFO] [stderr]    Compiling graphql_query_derive v0.6.0
[INFO] [stderr]     Checking graphql_client v0.6.0
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/vcs.rs:229:37
[INFO] [stdout]     |
[INFO] [stdout] 229 |         rebase.finish(&random_sig)?;;
[INFO] [stdout]     |                                     ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/vcs.rs:229:37
[INFO] [stdout]     |
[INFO] [stdout] 229 |         rebase.finish(&random_sig)?;;
[INFO] [stdout]     |                                     ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/book.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut content: Option<String>;
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/book.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut content: Option<String>;
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 31s
[INFO] running `Command { std: "docker" "inspect" "a47bccd7f50c7357a8b777168eb459e15270c8aa3c1d54dc801788ffb173a8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47bccd7f50c7357a8b777168eb459e15270c8aa3c1d54dc801788ffb173a8ff", kill_on_drop: false }`
[INFO] [stdout] a47bccd7f50c7357a8b777168eb459e15270c8aa3c1d54dc801788ffb173a8ff