[INFO] fetching crate chicon 0.1.3...
[INFO] checking chicon-0.1.3 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate chicon 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate chicon 0.1.3 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chicon 0.1.3
[INFO] finished tweaking crates.io crate chicon 0.1.3
[INFO] tweaked toml for crates.io crate chicon 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ssh2 v0.3.3
[INFO] [stderr]   Downloaded osproto v0.1.2
[INFO] [stderr]   Downloaded osauth v0.2.5
[INFO] [stderr]   Downloaded rusoto_s3 v0.39.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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] d308d791fd789e202131e6e30a526950f2ebdfb629ddcf2a50048026107e7977
[INFO] running `Command { std: "docker" "start" "-a" "d308d791fd789e202131e6e30a526950f2ebdfb629ddcf2a50048026107e7977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d308d791fd789e202131e6e30a526950f2ebdfb629ddcf2a50048026107e7977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d308d791fd789e202131e6e30a526950f2ebdfb629ddcf2a50048026107e7977", kill_on_drop: false }`
[INFO] [stdout] d308d791fd789e202131e6e30a526950f2ebdfb629ddcf2a50048026107e7977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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] 884949c0b66eb561df1361ca7cb3ac4968b4eb20ff5ac402132e990a9e27959f
[INFO] running `Command { std: "docker" "start" "-a" "884949c0b66eb561df1361ca7cb3ac4968b4eb20ff5ac402132e990a9e27959f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling memchr v2.3.3
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[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking arc-swap v0.4.7
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[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
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[INFO] [stderr]    Compiling indexmap v1.5.1
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[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.0
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[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking tokio-sync v0.1.8
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling rusoto_core v0.39.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking failure v0.1.8
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[INFO] [stderr]     Checking tokio-udp v0.1.6
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[INFO] [stderr]     Checking tokio-process v0.2.5
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
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[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking ssh2 v0.3.3
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
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[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking osproto v0.1.2
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking rusoto_credential v0.39.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking osauth v0.2.5
[INFO] [stderr]     Checking rusoto_s3 v0.39.0
[INFO] [stderr]     Checking chicon v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mem.rs:328:13
[INFO] [stdout]     |
[INFO] [stdout] 328 |         let mut cloned_content: Vec<u8>;
[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/mem.rs:328:13
[INFO] [stdout]     |
[INFO] [stdout] 328 |         let mut cloned_content: Vec<u8>;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "884949c0b66eb561df1361ca7cb3ac4968b4eb20ff5ac402132e990a9e27959f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "884949c0b66eb561df1361ca7cb3ac4968b4eb20ff5ac402132e990a9e27959f", kill_on_drop: false }`
[INFO] [stdout] 884949c0b66eb561df1361ca7cb3ac4968b4eb20ff5ac402132e990a9e27959f
