[INFO] fetching crate comp-io 0.1.2...
[INFO] testing comp-io-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate comp-io 0.1.2 into /workspace/builds/worker-0-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate comp-io 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c70071fde63cd1ed164e5247711c02bcd8cb39dd0d2aa8c5747a49145294175f
[INFO] running `Command { std: "docker" "start" "-a" "c70071fde63cd1ed164e5247711c02bcd8cb39dd0d2aa8c5747a49145294175f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c70071fde63cd1ed164e5247711c02bcd8cb39dd0d2aa8c5747a49145294175f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c70071fde63cd1ed164e5247711c02bcd8cb39dd0d2aa8c5747a49145294175f", kill_on_drop: false }`
[INFO] [stdout] c70071fde63cd1ed164e5247711c02bcd8cb39dd0d2aa8c5747a49145294175f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 555d76491ae5631d4e3918b902fb15c490b80941c98350ef68a78c428916f51f
[INFO] running `Command { std: "docker" "start" "-a" "555d76491ae5631d4e3918b902fb15c490b80941c98350ef68a78c428916f51f", 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 0.17s
[INFO] running `Command { std: "docker" "inspect" "555d76491ae5631d4e3918b902fb15c490b80941c98350ef68a78c428916f51f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555d76491ae5631d4e3918b902fb15c490b80941c98350ef68a78c428916f51f", kill_on_drop: false }`
[INFO] [stdout] 555d76491ae5631d4e3918b902fb15c490b80941c98350ef68a78c428916f51f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc2c343ab37dcf1734057d3fd1d1391bd1f5c7e046b539c126c08b89c59bfb8a
[INFO] running `Command { std: "docker" "start" "-a" "dc2c343ab37dcf1734057d3fd1d1391bd1f5c7e046b539c126c08b89c59bfb8a", 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 0.50s
[INFO] running `Command { std: "docker" "inspect" "dc2c343ab37dcf1734057d3fd1d1391bd1f5c7e046b539c126c08b89c59bfb8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2c343ab37dcf1734057d3fd1d1391bd1f5c7e046b539c126c08b89c59bfb8a", kill_on_drop: false }`
[INFO] [stdout] dc2c343ab37dcf1734057d3fd1d1391bd1f5c7e046b539c126c08b89c59bfb8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f02a044e5ad65bdd6a97a0ecfcdb155060a33a624424afd3106a965e904b6f2
[INFO] running `Command { std: "docker" "start" "-a" "8f02a044e5ad65bdd6a97a0ecfcdb155060a33a624424afd3106a965e904b6f2", 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 0.03s
[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_char ... ok
[INFO] [stdout] test tests::test_next_f64 ... 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] [stderr]    Doc-tests comp_io
[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] [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 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f02a044e5ad65bdd6a97a0ecfcdb155060a33a624424afd3106a965e904b6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f02a044e5ad65bdd6a97a0ecfcdb155060a33a624424afd3106a965e904b6f2", kill_on_drop: false }`
[INFO] [stdout] 8f02a044e5ad65bdd6a97a0ecfcdb155060a33a624424afd3106a965e904b6f2