[INFO] cloning repository https://github.com/Ploppz/experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ploppz/experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPloppz%2Fexperiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPloppz%2Fexperiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff9ee74fc6fb5580006b5a0719bb5cc6849c3fd1
[INFO] checking Ploppz/experiment against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPloppz%2Fexperiment" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ploppz/experiment on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ploppz/experiment
[INFO] removed path dependency plotlib from git repo https://github.com/Ploppz/experiment
[INFO] finished tweaking git repo https://github.com/Ploppz/experiment
[INFO] tweaked toml for git repo https://github.com/Ploppz/experiment written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Ploppz/experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (plotlib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (plotlib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 562df982eabfee3885f8c02c1235ec57da8873857b67a69763b533fb139ac411
[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" "562df982eabfee3885f8c02c1235ec57da8873857b67a69763b533fb139ac411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "562df982eabfee3885f8c02c1235ec57da8873857b67a69763b533fb139ac411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "562df982eabfee3885f8c02c1235ec57da8873857b67a69763b533fb139ac411", kill_on_drop: false }`
[INFO] [stdout] 562df982eabfee3885f8c02c1235ec57da8873857b67a69763b533fb139ac411
[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" "+beta-2020-07-24" "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] 71d0a0aa2289d8a511e36d409ec59399fe997347af6ef78ea3b953a37b515b60
[INFO] running `Command { std: "docker" "start" "-a" "71d0a0aa2289d8a511e36d409ec59399fe997347af6ef78ea3b953a37b515b60", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (plotlib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking plotlib v0.5.1
[INFO] [stderr]     Checking experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> src/lib.rs:2:46
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Serialize, de::DeserializeOwned, Deserialize};
[INFO] [stdout]   |                                              ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bail`, `format_err`
[INFO] [stdout]  --> src/lib.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use failure::{bail, format_err};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Array1`, `Array2`
[INFO] [stdout]  --> src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray::{Array1, Array2};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `repr`, `style::*`, `view::ContinuousView`
[INFO] [stdout]   --> src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |     repr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 9  |     style::*,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     view::ContinuousView,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> src/lib.rs:2:46
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Serialize, de::DeserializeOwned, Deserialize};
[INFO] [stdout]   |                                              ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bail`, `format_err`
[INFO] [stdout]  --> src/lib.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use failure::{bail, format_err};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Array1`, `Array2`
[INFO] [stdout]  --> src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray::{Array1, Array2};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `repr`, `style::*`, `view::ContinuousView`
[INFO] [stdout]   --> src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |     repr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 9  |     style::*,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     view::ContinuousView,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `date`
[INFO] [stdout]   --> src/lib.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let date = Local::now();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_date`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `date`
[INFO] [stdout]   --> src/lib.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let date = Local::now();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_date`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.32s
[INFO] running `Command { std: "docker" "inspect" "71d0a0aa2289d8a511e36d409ec59399fe997347af6ef78ea3b953a37b515b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d0a0aa2289d8a511e36d409ec59399fe997347af6ef78ea3b953a37b515b60", kill_on_drop: false }`
[INFO] [stdout] 71d0a0aa2289d8a511e36d409ec59399fe997347af6ef78ea3b953a37b515b60
