[INFO] cloning repository https://github.com/Vishwa-Mozilla/Remote-Settings-Client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vishwa-Mozilla/Remote-Settings-Client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVishwa-Mozilla%2FRemote-Settings-Client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVishwa-Mozilla%2FRemote-Settings-Client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06fbe92e3e45c42ff1bdd9b71ceda6e9e908a656
[INFO] checking Vishwa-Mozilla/Remote-Settings-Client against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVishwa-Mozilla%2FRemote-Settings-Client" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vishwa-Mozilla/Remote-Settings-Client on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Vishwa-Mozilla/Remote-Settings-Client
[INFO] finished tweaking git repo https://github.com/Vishwa-Mozilla/Remote-Settings-Client
[INFO] tweaked toml for git repo https://github.com/Vishwa-Mozilla/Remote-Settings-Client written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/mozilla/application-services`
[INFO] [stderr]     Updating git submodule `https://github.com/mozilla/glean`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] 1c0914385b5384273269931dafd3bb91f63f56fdda11abe246b10f94c3158dbd
[INFO] running `Command { std: "docker" "start" "-a" "1c0914385b5384273269931dafd3bb91f63f56fdda11abe246b10f94c3158dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c0914385b5384273269931dafd3bb91f63f56fdda11abe246b10f94c3158dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0914385b5384273269931dafd3bb91f63f56fdda11abe246b10f94c3158dbd", kill_on_drop: false }`
[INFO] [stdout] 1c0914385b5384273269931dafd3bb91f63f56fdda11abe246b10f94c3158dbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] aa477ed5f9da31e121a3f2ed95c32f2308c22b68e57ab2c83067c9d592c9affe
[INFO] running `Command { std: "docker" "start" "-a" "aa477ed5f9da31e121a3f2ed95c32f2308c22b68e57ab2c83067c9d592c9affe", kill_on_drop: false }`
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[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling curl v0.4.35
[INFO] [stderr]    Compiling isahc v1.3.1
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[INFO] [stderr]     Checking termcolor v1.1.2
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[INFO] [stderr]    Compiling openssl-src v111.15.0+1.1.1k
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[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]    Compiling lalrpop v0.19.5
[INFO] [stderr]     Checking async-process v1.0.2
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking prost v0.6.1
[INFO] [stderr]     Checking derive_builder v0.10.2
[INFO] [stderr]     Checking hyper v0.14.7
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking async-object-pool v0.1.4
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_regex v1.1.0
[INFO] [stderr]     Checking viaduct v0.1.0 (https://github.com/mozilla/application-services?rev=v75.0.0#4ea7d677)
[INFO] [stderr]     Checking canonical_json v0.4.0
[INFO] [stderr]     Checking assert-json-diff v2.0.1
[INFO] [stderr]     Checking remote-settings-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]    Compiling basic-cookies v0.1.4
[INFO] [stderr]     Checking viaduct-reqwest v0.1.0 (https://github.com/mozilla/application-services?rev=v75.0.0#4ea7d677)
[INFO] [stderr]     Checking httpmock v0.5.8
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/client/signatures.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut verifiers: Vec<Box<dyn Verification>> = Vec::new();
[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 54s
[INFO] running `Command { std: "docker" "inspect" "aa477ed5f9da31e121a3f2ed95c32f2308c22b68e57ab2c83067c9d592c9affe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa477ed5f9da31e121a3f2ed95c32f2308c22b68e57ab2c83067c9d592c9affe", kill_on_drop: false }`
[INFO] [stdout] aa477ed5f9da31e121a3f2ed95c32f2308c22b68e57ab2c83067c9d592c9affe