[INFO] cloning repository https://github.com/sammy8806/mastopeekd-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sammy8806/mastopeekd-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammy8806%2Fmastopeekd-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammy8806%2Fmastopeekd-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c0e7c813fbf03c5fe2fa5909983dd71c4c3afdf
[INFO] checking sammy8806/mastopeekd-rust against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammy8806%2Fmastopeekd-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sammy8806/mastopeekd-rust on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sammy8806/mastopeekd-rust
[INFO] finished tweaking git repo https://github.com/sammy8806/mastopeekd-rust
[INFO] tweaked toml for git repo https://github.com/sammy8806/mastopeekd-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sammy8806/mastopeekd-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.37
[INFO] [stderr]   Downloaded mammut v0.12.0
[INFO] [stderr]   Downloaded tokio-io v0.1.11
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[INFO] [stderr]   Downloaded tokio-threadpool v0.1.11
[INFO] [stderr]   Downloaded string v0.1.3
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[INFO] [stderr]   Downloaded rand_jitter v0.1.1
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[INFO] [stderr]   Downloaded hyper v0.12.23
[INFO] [stderr]   Downloaded serde_derive v1.0.85
[INFO] [stderr]   Downloaded doc-comment v0.1.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.40
[INFO] [stderr]   Downloaded crc32fast v1.1.2
[INFO] [stderr]   Downloaded encoding_rs v0.8.15
[INFO] [stderr]   Downloaded http v0.1.15
[INFO] [stderr]   Downloaded h2 v0.1.16
[INFO] [stderr]   Downloaded serde v1.0.85
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[INFO] [stderr]   Downloaded cc v1.0.28
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[INFO] [stderr]   Downloaded reqwest v0.9.9
[INFO] [stderr]   Downloaded tempfile v3.0.5
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.4
[INFO] [stderr]   Downloaded tokio-reactor v0.1.8
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[INFO] [stderr]   Downloaded bytes v0.4.11
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 622e8c28d986eaebe32e5c2510e722cb9250b54222334f93a91d62efff4eb8f3
[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" "622e8c28d986eaebe32e5c2510e722cb9250b54222334f93a91d62efff4eb8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "622e8c28d986eaebe32e5c2510e722cb9250b54222334f93a91d62efff4eb8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "622e8c28d986eaebe32e5c2510e722cb9250b54222334f93a91d62efff4eb8f3", kill_on_drop: false }`
[INFO] [stdout] 622e8c28d986eaebe32e5c2510e722cb9250b54222334f93a91d62efff4eb8f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 445f7aadfb03e941530f5093efaa417d5034f59a2a9d8ce8e5e135f2c8bd358a
[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" "445f7aadfb03e941530f5093efaa417d5034f59a2a9d8ce8e5e135f2c8bd358a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.48
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[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
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[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
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[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.9.0
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[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
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[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking tokio-io v0.1.11
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[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]     Checking hyperx v0.13.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking serde_json v1.0.37
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking hyper v0.12.23
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.9
[INFO] [stderr]     Checking mammut v0.12.0
[INFO] [stderr]     Checking mastopeekd-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 let mut target_uri;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 let mut target_uri;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "445f7aadfb03e941530f5093efaa417d5034f59a2a9d8ce8e5e135f2c8bd358a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "445f7aadfb03e941530f5093efaa417d5034f59a2a9d8ce8e5e135f2c8bd358a", kill_on_drop: false }`
[INFO] [stdout] 445f7aadfb03e941530f5093efaa417d5034f59a2a9d8ce8e5e135f2c8bd358a