[INFO] fetching crate seqsample 0.2.0...
[INFO] checking seqsample-0.2.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate seqsample 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate seqsample 0.2.0
[INFO] finished tweaking crates.io crate seqsample 0.2.0
[INFO] tweaked toml for crates.io crate seqsample 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate seqsample 0.2.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate seqsample 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 416e13fdd90dce9ecc8f7dd44ecaf537ac7d2b2c0935c76e0e79afbe015a8cea
[INFO] running `Command { std: "docker" "start" "-a" "416e13fdd90dce9ecc8f7dd44ecaf537ac7d2b2c0935c76e0e79afbe015a8cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "416e13fdd90dce9ecc8f7dd44ecaf537ac7d2b2c0935c76e0e79afbe015a8cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416e13fdd90dce9ecc8f7dd44ecaf537ac7d2b2c0935c76e0e79afbe015a8cea", kill_on_drop: false }`
[INFO] [stdout] 416e13fdd90dce9ecc8f7dd44ecaf537ac7d2b2c0935c76e0e79afbe015a8cea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a957ae4aca85150c27b727360aa5ed8db0dbb1549bd2b299c77191208ee0c62
[INFO] running `Command { std: "docker" "start" "-a" "4a957ae4aca85150c27b727360aa5ed8db0dbb1549bd2b299c77191208ee0c62", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking either v1.7.0
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[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking iovec v0.1.4
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[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking unicode-normalization v0.1.20
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking net2 v0.2.37
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[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking mio v0.6.23
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[INFO] [stderr]    Compiling rand_pcg v0.1.2
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[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling rustversion v1.0.7
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]     Checking string v0.2.1
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[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking approx v0.5.1
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[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]    Compiling anyhow v1.0.58
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[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
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[INFO] [stderr]     Checking hyper v0.12.36
[INFO] [stderr]    Compiling chrono-tz v0.6.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling enum-map-derive v0.6.0
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking enum-map v1.1.1
[INFO] [stderr]     Checking openssl v0.10.40
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking nalgebra v0.27.1
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking bio-types v0.12.1
[INFO] [stderr]     Checking native-tls v0.2.10
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bv v0.11.1
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking globset v0.4.9
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking tera v1.16.0
[INFO] [stderr]     Checking statrs v0.15.0
[INFO] [stderr]     Checking bio v0.41.0
[INFO] [stderr]     Checking seqsample v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/process.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut null_file = OpenOptions::new().write(true).open("/dev/null").unwrap();
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/process.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut null_file = OpenOptions::new().write(true).open("/dev/null").unwrap();
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.73s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.27.1, openssl v0.10.40
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 13`
[INFO] running `Command { std: "docker" "inspect" "4a957ae4aca85150c27b727360aa5ed8db0dbb1549bd2b299c77191208ee0c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a957ae4aca85150c27b727360aa5ed8db0dbb1549bd2b299c77191208ee0c62", kill_on_drop: false }`
[INFO] [stdout] 4a957ae4aca85150c27b727360aa5ed8db0dbb1549bd2b299c77191208ee0c62
