[INFO] fetching crate char_reader 0.1.1...
[INFO] testing char_reader-0.1.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate char_reader 0.1.1 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate char_reader 0.1.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate char_reader 0.1.1
[INFO] finished tweaking crates.io crate char_reader 0.1.1
[INFO] tweaked toml for crates.io crate char_reader 0.1.1 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a2ed061f13f6291f64de97ba1c7a98155c4b0589bd81e4b6372ea282177af99
[INFO] running `Command { std: "docker" "start" "-a" "1a2ed061f13f6291f64de97ba1c7a98155c4b0589bd81e4b6372ea282177af99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a2ed061f13f6291f64de97ba1c7a98155c4b0589bd81e4b6372ea282177af99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2ed061f13f6291f64de97ba1c7a98155c4b0589bd81e4b6372ea282177af99", kill_on_drop: false }`
[INFO] [stdout] 1a2ed061f13f6291f64de97ba1c7a98155c4b0589bd81e4b6372ea282177af99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92b6c118cbf50a66e3ca70d283c9688e6c5219f37c1a3809cbc04caf5643c014
[INFO] running `Command { std: "docker" "start" "-a" "92b6c118cbf50a66e3ca70d283c9688e6c5219f37c1a3809cbc04caf5643c014", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling char_reader v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "92b6c118cbf50a66e3ca70d283c9688e6c5219f37c1a3809cbc04caf5643c014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b6c118cbf50a66e3ca70d283c9688e6c5219f37c1a3809cbc04caf5643c014", kill_on_drop: false }`
[INFO] [stdout] 92b6c118cbf50a66e3ca70d283c9688e6c5219f37c1a3809cbc04caf5643c014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4da3c0ef45153377108a492133852fbb3a7657fb24c6981a19a3ec85ec5cf4ec
[INFO] running `Command { std: "docker" "start" "-a" "4da3c0ef45153377108a492133852fbb3a7657fb24c6981a19a3ec85ec5cf4ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling char_reader v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "4da3c0ef45153377108a492133852fbb3a7657fb24c6981a19a3ec85ec5cf4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da3c0ef45153377108a492133852fbb3a7657fb24c6981a19a3ec85ec5cf4ec", kill_on_drop: false }`
[INFO] [stdout] 4da3c0ef45153377108a492133852fbb3a7657fb24c6981a19a3ec85ec5cf4ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a3a41a060bb8ab5e5fd4ca4651a9bbdaca4a816572663fb8367e19c3169d6490
[INFO] running `Command { std: "docker" "start" "-a" "a3a41a060bb8ab5e5fd4ca4651a9bbdaca4a816572663fb8367e19c3169d6490", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/char_reader-45facf72bacbce29)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::check_utf8_error ... ok
[INFO] [stdout] test tests::test_lines ... ok
[INFO] [stdout] test tests::test_thresholds ... ok
[INFO] [stdout] test tests::test_chars ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests char_reader
[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" "a3a41a060bb8ab5e5fd4ca4651a9bbdaca4a816572663fb8367e19c3169d6490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a41a060bb8ab5e5fd4ca4651a9bbdaca4a816572663fb8367e19c3169d6490", kill_on_drop: false }`
[INFO] [stdout] a3a41a060bb8ab5e5fd4ca4651a9bbdaca4a816572663fb8367e19c3169d6490