[INFO] fetching crate comp-io 0.1.2...
[INFO] testing comp-io-0.1.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate comp-io 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate comp-io 0.1.2
[INFO] finished tweaking crates.io crate comp-io 0.1.2
[INFO] tweaked toml for crates.io crate comp-io 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate comp-io 0.1.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db969c3e5f27e6835f5341f1269d7a5d3bfd152e5be040c4082cbe198356ee73
[INFO] running `Command { std: "docker" "start" "-a" "db969c3e5f27e6835f5341f1269d7a5d3bfd152e5be040c4082cbe198356ee73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db969c3e5f27e6835f5341f1269d7a5d3bfd152e5be040c4082cbe198356ee73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db969c3e5f27e6835f5341f1269d7a5d3bfd152e5be040c4082cbe198356ee73", kill_on_drop: false }`
[INFO] [stdout] db969c3e5f27e6835f5341f1269d7a5d3bfd152e5be040c4082cbe198356ee73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a32ba2e7ac88a1864c7b70e54f36ed816589c7705f4fc46fc130943462aadc55
[INFO] running `Command { std: "docker" "start" "-a" "a32ba2e7ac88a1864c7b70e54f36ed816589c7705f4fc46fc130943462aadc55", kill_on_drop: false }`
[INFO] [stderr]    Compiling comp-io v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "a32ba2e7ac88a1864c7b70e54f36ed816589c7705f4fc46fc130943462aadc55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a32ba2e7ac88a1864c7b70e54f36ed816589c7705f4fc46fc130943462aadc55", kill_on_drop: false }`
[INFO] [stdout] a32ba2e7ac88a1864c7b70e54f36ed816589c7705f4fc46fc130943462aadc55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee00c59f129a3fa687b649cf8ba05d216113f141cfb426e3a94c172bacd18376
[INFO] running `Command { std: "docker" "start" "-a" "ee00c59f129a3fa687b649cf8ba05d216113f141cfb426e3a94c172bacd18376", kill_on_drop: false }`
[INFO] [stderr]    Compiling comp-io v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read` and `self`
[INFO] [stdout]  --> src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{self, Read};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "ee00c59f129a3fa687b649cf8ba05d216113f141cfb426e3a94c172bacd18376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee00c59f129a3fa687b649cf8ba05d216113f141cfb426e3a94c172bacd18376", kill_on_drop: false }`
[INFO] [stdout] ee00c59f129a3fa687b649cf8ba05d216113f141cfb426e3a94c172bacd18376
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 924d9adf75781ffb3982d76e4bdbf3064ba85e8b34840f2517c72e7814bb7c44
[INFO] running `Command { std: "docker" "start" "-a" "924d9adf75781ffb3982d76e4bdbf3064ba85e8b34840f2517c72e7814bb7c44", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Read` and `self`
[INFO] [stderr]  --> src/lib.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{self, Read};
[INFO] [stderr]   |               ^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `comp-io` (lib test) generated 1 warning (run `cargo fix --lib -p comp-io --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/comp_io-7b49e1148a26befb)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_long_float ... ok
[INFO] [stdout] test tests::test_next_f64 ... ok
[INFO] [stdout] test tests::test_next_char ... ok
[INFO] [stdout] test tests::test_next_pair ... ok
[INFO] [stdout] test tests::test_next_usize ... ok
[INFO] [stdout] test tests::test_reader_from_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests comp_io
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Reader (line 16) - compile ... ok
[INFO] [stdout] test src/lib.rs - Reader::new (line 78) ... ok
[INFO] [stdout] test src/lib.rs - Reader::from_str (line 95) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "924d9adf75781ffb3982d76e4bdbf3064ba85e8b34840f2517c72e7814bb7c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "924d9adf75781ffb3982d76e4bdbf3064ba85e8b34840f2517c72e7814bb7c44", kill_on_drop: false }`
[INFO] [stdout] 924d9adf75781ffb3982d76e4bdbf3064ba85e8b34840f2517c72e7814bb7c44