[INFO] fetching crate rs-blocks 0.1.1...
[INFO] testing rs-blocks-0.1.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate rs-blocks 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rs-blocks 0.1.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rs-blocks 0.1.1
[INFO] finished tweaking crates.io crate rs-blocks 0.1.1
[INFO] tweaked toml for crates.io crate rs-blocks 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rs-blocks 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oorandom v11.1.1
[INFO] [stderr]   Downloaded plotters v0.2.14
[INFO] [stderr]   Downloaded rs-blocks-derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 605bbe6ffc43ec4aefb8e8533a5383686de68dbdae76d8d67807d4f26041f1f1
[INFO] running `Command { std: "docker" "start" "-a" "605bbe6ffc43ec4aefb8e8533a5383686de68dbdae76d8d67807d4f26041f1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "605bbe6ffc43ec4aefb8e8533a5383686de68dbdae76d8d67807d4f26041f1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "605bbe6ffc43ec4aefb8e8533a5383686de68dbdae76d8d67807d4f26041f1f1", kill_on_drop: false }`
[INFO] [stdout] 605bbe6ffc43ec4aefb8e8533a5383686de68dbdae76d8d67807d4f26041f1f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 812fe20bf5873d40291050a66f450e9663c8aacfe692797ab411ee15f8c826c2
[INFO] running `Command { std: "docker" "start" "-a" "812fe20bf5873d40291050a66f450e9663c8aacfe692797ab411ee15f8c826c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling signal-hook v0.1.15
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling rs-blocks-derive v0.1.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling rs-blocks v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value captured by `symbol` is never read
[INFO] [stdout]   --> src/blocks/battery.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 |             symbol = get_symbol(current_status, percent);
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.21s
[INFO] running `Command { std: "docker" "inspect" "812fe20bf5873d40291050a66f450e9663c8aacfe692797ab411ee15f8c826c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "812fe20bf5873d40291050a66f450e9663c8aacfe692797ab411ee15f8c826c2", kill_on_drop: false }`
[INFO] [stdout] 812fe20bf5873d40291050a66f450e9663c8aacfe692797ab411ee15f8c826c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dab43d148192cbdbd21f26526ba4292f3f354ee50fd806d2bdf8e23a3ecc04e4
[INFO] running `Command { std: "docker" "start" "-a" "dab43d148192cbdbd21f26526ba4292f3f354ee50fd806d2bdf8e23a3ecc04e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling oorandom v11.1.1
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling plotters v0.2.14
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling tinytemplate v1.0.4
[INFO] [stdout] warning: value captured by `symbol` is never read
[INFO] [stdout]   --> src/blocks/battery.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 |             symbol = get_symbol(current_status, percent);
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling criterion-plot v0.4.2
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling rs-blocks v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value captured by `symbol` is never read
[INFO] [stdout]   --> src/blocks/battery.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 |             symbol = get_symbol(current_status, percent);
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.08s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dab43d148192cbdbd21f26526ba4292f3f354ee50fd806d2bdf8e23a3ecc04e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab43d148192cbdbd21f26526ba4292f3f354ee50fd806d2bdf8e23a3ecc04e4", kill_on_drop: false }`
[INFO] [stdout] dab43d148192cbdbd21f26526ba4292f3f354ee50fd806d2bdf8e23a3ecc04e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a76ebc11240b27ce089662aa4a18ef31201d8f972171a7d6713e5d5e3661f457
[INFO] running `Command { std: "docker" "start" "-a" "a76ebc11240b27ce089662aa4a18ef31201d8f972171a7d6713e5d5e3661f457", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: value captured by `symbol` is never read
[INFO] [stderr]   --> src/blocks/battery.rs:93:4
[INFO] [stderr]    |
[INFO] [stderr] 93 |             symbol = get_symbol(current_status, percent);
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: did you mean to capture by reference instead?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: value captured by `symbol` is never read
[INFO] [stderr]   --> src/blocks/battery.rs:93:4
[INFO] [stderr]    |
[INFO] [stderr] 93 |             symbol = get_symbol(current_status, percent);
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: did you mean to capture by reference instead?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_blocks-471bade42366416f)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test blocks::block::test::create_json ... ok
[INFO] [stdout] test blocks::battery::test::minutes_to_string_works ... ok
[INFO] [stdout] test blocks::memory::tests::regex_matches ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_blocks-28204774b6b92ffc)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rs-blocks
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a76ebc11240b27ce089662aa4a18ef31201d8f972171a7d6713e5d5e3661f457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a76ebc11240b27ce089662aa4a18ef31201d8f972171a7d6713e5d5e3661f457", kill_on_drop: false }`
[INFO] [stdout] a76ebc11240b27ce089662aa4a18ef31201d8f972171a7d6713e5d5e3661f457