[INFO] fetching crate easyio 0.2.0...
[INFO] testing easyio-0.2.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate easyio 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate easyio 0.2.0
[INFO] finished tweaking crates.io crate easyio 0.2.0
[INFO] tweaked toml for crates.io crate easyio 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate easyio 0.2.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb899c2317ecbf6859e876790656d03466f98e67d84fe2eff42abce6e450458e
[INFO] running `Command { std: "docker" "start" "-a" "eb899c2317ecbf6859e876790656d03466f98e67d84fe2eff42abce6e450458e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb899c2317ecbf6859e876790656d03466f98e67d84fe2eff42abce6e450458e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb899c2317ecbf6859e876790656d03466f98e67d84fe2eff42abce6e450458e", kill_on_drop: false }`
[INFO] [stdout] eb899c2317ecbf6859e876790656d03466f98e67d84fe2eff42abce6e450458e
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ac8ff094039b239b33341529f3ce062e239ed49a3dc546a978fb1ac9faced64
[INFO] running `Command { std: "docker" "start" "-a" "4ac8ff094039b239b33341529f3ce062e239ed49a3dc546a978fb1ac9faced64", kill_on_drop: false }`
[INFO] [stderr]    Compiling easyio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn new(r: &mut dyn Read) -> MeteringReader {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn new(r: &mut dyn Read) -> MeteringReader<'_> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "4ac8ff094039b239b33341529f3ce062e239ed49a3dc546a978fb1ac9faced64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ac8ff094039b239b33341529f3ce062e239ed49a3dc546a978fb1ac9faced64", kill_on_drop: false }`
[INFO] [stdout] 4ac8ff094039b239b33341529f3ce062e239ed49a3dc546a978fb1ac9faced64
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1be6bf0e704ec13066b71491441a0bb440bc3d7ec21d9029868391383f1f1481
[INFO] running `Command { std: "docker" "start" "-a" "1be6bf0e704ec13066b71491441a0bb440bc3d7ec21d9029868391383f1f1481", kill_on_drop: false }`
[INFO] [stderr]    Compiling easyio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn new(r: &mut dyn Read) -> MeteringReader {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn new(r: &mut dyn Read) -> MeteringReader<'_> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:94:40
[INFO] [stdout]    |
[INFO] [stdout] 94 |         underlying_reader: &'a mut dyn (Read),
[INFO] [stdout]    |                                        ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 94 -         underlying_reader: &'a mut dyn (Read),
[INFO] [stdout] 94 +         underlying_reader: &'a mut dyn Read,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn new(r: &mut dyn Read) -> MeteringReader {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn new(r: &mut dyn Read) -> MeteringReader<'_> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "1be6bf0e704ec13066b71491441a0bb440bc3d7ec21d9029868391383f1f1481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be6bf0e704ec13066b71491441a0bb440bc3d7ec21d9029868391383f1f1481", kill_on_drop: false }`
[INFO] [stdout] 1be6bf0e704ec13066b71491441a0bb440bc3d7ec21d9029868391383f1f1481
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9779201b552c198bca0b0ec218dd161f0cd7fb36d8478f2052ad4be5060987b
[INFO] running `Command { std: "docker" "start" "-a" "d9779201b552c198bca0b0ec218dd161f0cd7fb36d8478f2052ad4be5060987b", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:54:19
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn new(r: &mut dyn Read) -> MeteringReader {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn new(r: &mut dyn Read) -> MeteringReader<'_> {
[INFO] [stderr]    |                                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `easyio` (lib) generated 1 warning (run `cargo fix --lib -p easyio` to apply 1 suggestion)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:94:40
[INFO] [stderr]    |
[INFO] [stderr] 94 |         underlying_reader: &'a mut dyn (Read),
[INFO] [stderr]    |                                        ^    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 94 -         underlying_reader: &'a mut dyn (Read),
[INFO] [stderr] 94 +         underlying_reader: &'a mut dyn Read,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `easyio` (lib test) generated 2 warnings (1 duplicate) (run `cargo fix --lib -p easyio --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/easyio-71718f760c336b08)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test conv::testconv::test_replacing_reader::test_simple ... ok
[INFO] [stdout] test tests::test_metering_reader::test_metering_drop_counter_when_meter_is_dropped ... ok
[INFO] [stdout] test tests::test_read_full::test_read_full_slow ... ok
[INFO] [stdout] test conv::testconv::test_replacing_reader::test_zero_new ... ok
[INFO] [stdout] test conv::testconv::test_replacing_reader::test_varying_input_len ... ok
[INFO] [stdout] test tests::test_metering_reader::test_metering_reader_update ... ok
[INFO] [stdout] test tests::test_read_full::test_read_full_once ... ok
[INFO] [stdout] test conv::testconv::test_replacing_reader::test_insert_two_places ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests easyio
[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" "d9779201b552c198bca0b0ec218dd161f0cd7fb36d8478f2052ad4be5060987b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9779201b552c198bca0b0ec218dd161f0cd7fb36d8478f2052ad4be5060987b", kill_on_drop: false }`
[INFO] [stdout] d9779201b552c198bca0b0ec218dd161f0cd7fb36d8478f2052ad4be5060987b