[INFO] fetching crate br-maths 0.1.9...
[INFO] checking br-maths-0.1.9 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate br-maths 0.1.9 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate br-maths 0.1.9 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate br-maths 0.1.9
[INFO] finished tweaking crates.io crate br-maths 0.1.9
[INFO] tweaked toml for crates.io crate br-maths 0.1.9 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate br-maths 0.1.9 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cac9103d6415382bc993c64e935541aa98f6e9766dca057213b724a94a9d3e77
[INFO] running `Command { std: "docker" "start" "-a" "cac9103d6415382bc993c64e935541aa98f6e9766dca057213b724a94a9d3e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cac9103d6415382bc993c64e935541aa98f6e9766dca057213b724a94a9d3e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac9103d6415382bc993c64e935541aa98f6e9766dca057213b724a94a9d3e77", kill_on_drop: false }`
[INFO] [stdout] cac9103d6415382bc993c64e935541aa98f6e9766dca057213b724a94a9d3e77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a168184a61fefe63a07146a42b6a25fabc022a48211d9d9be512fb086964916e
[INFO] running `Command { std: "docker" "start" "-a" "a168184a61fefe63a07146a42b6a25fabc022a48211d9d9be512fb086964916e", kill_on_drop: false }`
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking br-maths v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `stdev`, `stdevp`, `variance`, `variancep`
[INFO] [stdout]  --> src/spc.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::stats::{stdev, stdevp, variance, variancep};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `stdev`, `stdevp`, `variance`, `variancep`
[INFO] [stdout]  --> src/spc.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::stats::{stdev, stdevp, variance, variancep};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ma.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn wma(mut data: JsonValue, n: usize, decimal: usize) -> JsonValue {
[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: unused variable: `x`
[INFO] [stdout]   --> src/ma.rs:91:44
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let fm: f64 = list.iter().map(|x| {
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ma.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn wma(mut data: JsonValue, n: usize, decimal: usize) -> JsonValue {
[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: unused variable: `x`
[INFO] [stdout]   --> src/ma.rs:91:44
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let fm: f64 = list.iter().map(|x| {
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "a168184a61fefe63a07146a42b6a25fabc022a48211d9d9be512fb086964916e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a168184a61fefe63a07146a42b6a25fabc022a48211d9d9be512fb086964916e", kill_on_drop: false }`
[INFO] [stdout] a168184a61fefe63a07146a42b6a25fabc022a48211d9d9be512fb086964916e
[INFO] checking br-maths-0.1.9 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate br-maths 0.1.9 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate br-maths 0.1.9 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate br-maths 0.1.9
[INFO] finished tweaking crates.io crate br-maths 0.1.9
[INFO] tweaked toml for crates.io crate br-maths 0.1.9 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate br-maths 0.1.9 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f53e12b138adc6e830be1c8c6298bdc70bd8d679c220d05c785dae47988c2961
[INFO] running `Command { std: "docker" "start" "-a" "f53e12b138adc6e830be1c8c6298bdc70bd8d679c220d05c785dae47988c2961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f53e12b138adc6e830be1c8c6298bdc70bd8d679c220d05c785dae47988c2961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f53e12b138adc6e830be1c8c6298bdc70bd8d679c220d05c785dae47988c2961", kill_on_drop: false }`
[INFO] [stdout] f53e12b138adc6e830be1c8c6298bdc70bd8d679c220d05c785dae47988c2961
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 194f83523a0b9026d614fbeb38183ad758591805167dde89f2a0c4b9bae3db97
[INFO] running `Command { std: "docker" "start" "-a" "194f83523a0b9026d614fbeb38183ad758591805167dde89f2a0c4b9bae3db97", kill_on_drop: false }`
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking br-maths v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `stdev`, `stdevp`, `variance`, `variancep`
[INFO] [stdout]  --> src/spc.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::stats::{stdev, stdevp, variance, variancep};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `stdev`, `stdevp`, `variance`, `variancep`
[INFO] [stdout]  --> src/spc.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::stats::{stdev, stdevp, variance, variancep};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ma.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn wma(mut data: JsonValue, n: usize, decimal: usize) -> JsonValue {
[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: unused variable: `x`
[INFO] [stdout]   --> src/ma.rs:91:44
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let fm: f64 = list.iter().map(|x| {
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ma.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn wma(mut data: JsonValue, n: usize, decimal: usize) -> JsonValue {
[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: unused variable: `x`
[INFO] [stdout]   --> src/ma.rs:91:44
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let fm: f64 = list.iter().map(|x| {
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "194f83523a0b9026d614fbeb38183ad758591805167dde89f2a0c4b9bae3db97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194f83523a0b9026d614fbeb38183ad758591805167dde89f2a0c4b9bae3db97", kill_on_drop: false }`
[INFO] [stdout] 194f83523a0b9026d614fbeb38183ad758591805167dde89f2a0c4b9bae3db97
