[INFO] fetching crate gantelet 0.3.1-alpha.3...
[INFO] testing gantelet-0.3.1-alpha.3 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate gantelet 0.3.1-alpha.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate gantelet 0.3.1-alpha.3 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gantelet 0.3.1-alpha.3
[INFO] finished tweaking crates.io crate gantelet 0.3.1-alpha.3
[INFO] tweaked toml for crates.io crate gantelet 0.3.1-alpha.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xoroshiro128 v0.3.0
[INFO] [stderr]   Downloaded fasthash v0.4.0
[INFO] [stderr]   Downloaded fasthash-sys v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0fd40f3919d668cf1ea376334635aeb4b42a12e8af165de757c729f3ab95add
[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" "d0fd40f3919d668cf1ea376334635aeb4b42a12e8af165de757c729f3ab95add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0fd40f3919d668cf1ea376334635aeb4b42a12e8af165de757c729f3ab95add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0fd40f3919d668cf1ea376334635aeb4b42a12e8af165de757c729f3ab95add", kill_on_drop: false }`
[INFO] [stdout] d0fd40f3919d668cf1ea376334635aeb4b42a12e8af165de757c729f3ab95add
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2da9278e6737a59ee6a721bce77ee6f30584f97e05ab2be41e8214ec49f3da9a
[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" "2da9278e6737a59ee6a721bce77ee6f30584f97e05ab2be41e8214ec49f3da9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]    Compiling terminal_size v0.1.13
[INFO] [stderr]    Compiling xoroshiro128 v0.3.0
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling console v0.12.0
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling fasthash v0.4.0
[INFO] [stderr]    Compiling gantelet v0.3.1-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/cooccur.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::BuildHasherDefault`
[INFO] [stdout]  --> src/cooccur.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::hash::BuildHasherDefault;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write as IoWrite`
[INFO] [stdout]  --> src/cooccur.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Write as IoWrite;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fasthash::xx::Hasher64`
[INFO] [stdout]  --> src/cooccur.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use fasthash::xx::Hasher64;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `indicatif`
[INFO] [stdout]  --> src/cooccur.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use indicatif;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_reader`
[INFO] [stdout]   --> src/cooccur.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let input_reader = std::io::BufReader::new(
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_reader`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output_writer`
[INFO] [stdout]   --> src/cooccur.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut output_writer = std::io::BufWriter::new(
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cooccur.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut output_writer = std::io::BufWriter::new(
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.39s
[INFO] running `Command { std: "docker" "inspect" "2da9278e6737a59ee6a721bce77ee6f30584f97e05ab2be41e8214ec49f3da9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da9278e6737a59ee6a721bce77ee6f30584f97e05ab2be41e8214ec49f3da9a", kill_on_drop: false }`
[INFO] [stdout] 2da9278e6737a59ee6a721bce77ee6f30584f97e05ab2be41e8214ec49f3da9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c1e212af7942be5c8a9f51b1bdea99c193df5fd7af36f16ae85d1de75d1c45d
[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" "3c1e212af7942be5c8a9f51b1bdea99c193df5fd7af36f16ae85d1de75d1c45d", kill_on_drop: false }`
[INFO] [stderr]    Compiling gantelet v0.3.1-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/cooccur.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::BuildHasherDefault`
[INFO] [stdout]  --> src/cooccur.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::hash::BuildHasherDefault;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write as IoWrite`
[INFO] [stdout]  --> src/cooccur.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Write as IoWrite;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fasthash::xx::Hasher64`
[INFO] [stdout]  --> src/cooccur.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use fasthash::xx::Hasher64;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `indicatif`
[INFO] [stdout]  --> src/cooccur.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use indicatif;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_reader`
[INFO] [stdout]   --> src/cooccur.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let input_reader = std::io::BufReader::new(
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_reader`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output_writer`
[INFO] [stdout]   --> src/cooccur.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut output_writer = std::io::BufWriter::new(
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cooccur.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut output_writer = std::io::BufWriter::new(
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "3c1e212af7942be5c8a9f51b1bdea99c193df5fd7af36f16ae85d1de75d1c45d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1e212af7942be5c8a9f51b1bdea99c193df5fd7af36f16ae85d1de75d1c45d", kill_on_drop: false }`
[INFO] [stdout] 3c1e212af7942be5c8a9f51b1bdea99c193df5fd7af36f16ae85d1de75d1c45d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e1362f419abf03e15bcdac253b9a6f5dfdc762ed3b025cfc35712dbb0f5ad45
[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" "7e1362f419abf03e15bcdac253b9a6f5dfdc762ed3b025cfc35712dbb0f5ad45", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/cooccur.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::hash::BuildHasherDefault`
[INFO] [stderr]  --> src/cooccur.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::hash::BuildHasherDefault;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write as IoWrite`
[INFO] [stderr]  --> src/cooccur.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Write as IoWrite;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fasthash::xx::Hasher64`
[INFO] [stderr]  --> src/cooccur.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use fasthash::xx::Hasher64;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `indicatif`
[INFO] [stderr]  --> src/cooccur.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use indicatif;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input_reader`
[INFO] [stderr]   --> src/cooccur.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let input_reader = std::io::BufReader::new(
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_reader`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output_writer`
[INFO] [stderr]   --> src/cooccur.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut output_writer = std::io::BufWriter::new(
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_writer`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cooccur.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut output_writer = std::io::BufWriter::new(
[INFO] [stderr]    |         ----^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cooccur-8155aa781c04bf72
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gantelet-bfdfa3a5447f6999
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vocab_count-394b851fc063cf6f
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e1362f419abf03e15bcdac253b9a6f5dfdc762ed3b025cfc35712dbb0f5ad45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e1362f419abf03e15bcdac253b9a6f5dfdc762ed3b025cfc35712dbb0f5ad45", kill_on_drop: false }`
[INFO] [stdout] 7e1362f419abf03e15bcdac253b9a6f5dfdc762ed3b025cfc35712dbb0f5ad45
