[INFO] fetching crate linemux 0.2.3...
[INFO] testing linemux-0.2.3 against try#61cd42370816fd135c0f3b9debf2f5dfcf194594 for pr-98839
[INFO] extracting crate linemux 0.2.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate linemux 0.2.3 on toolchain 61cd42370816fd135c0f3b9debf2f5dfcf194594
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linemux 0.2.3
[INFO] finished tweaking crates.io crate linemux 0.2.3
[INFO] tweaked toml for crates.io crate linemux 0.2.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate linemux 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38f51e8c2980d29d02cb0b4bda5baf43d37c5ed545185c42677ee5bdba854a8b
[INFO] running `Command { std: "docker" "start" "-a" "38f51e8c2980d29d02cb0b4bda5baf43d37c5ed545185c42677ee5bdba854a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38f51e8c2980d29d02cb0b4bda5baf43d37c5ed545185c42677ee5bdba854a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f51e8c2980d29d02cb0b4bda5baf43d37c5ed545185c42677ee5bdba854a8b", kill_on_drop: false }`
[INFO] [stdout] 38f51e8c2980d29d02cb0b4bda5baf43d37c5ed545185c42677ee5bdba854a8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad61cd13a5402e96a0c1864205b4c7a3c08997a307c799c6fa08cdd4340fb8b3
[INFO] running `Command { std: "docker" "start" "-a" "ad61cd13a5402e96a0c1864205b4c7a3c08997a307c799c6fa08cdd4340fb8b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling tokio v1.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.8
[INFO] [stderr]    Compiling inotify v0.9.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling notify v5.0.0-pre.11
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling linemux v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/reader.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | / pin_project! {
[INFO] [stdout] 122 | | /// Manages file watches, and can be polled to receive new lines.
[INFO] [stdout] 123 | | ///
[INFO] [stdout] 124 | | /// ## Streaming multiplexed lines
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | | }
[INFO] [stdout] 144 | | }
[INFO] [stdout]     | |_^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `$crate::__pin_project_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.39s
[INFO] running `Command { std: "docker" "inspect" "ad61cd13a5402e96a0c1864205b4c7a3c08997a307c799c6fa08cdd4340fb8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad61cd13a5402e96a0c1864205b4c7a3c08997a307c799c6fa08cdd4340fb8b3", kill_on_drop: false }`
[INFO] [stdout] ad61cd13a5402e96a0c1864205b4c7a3c08997a307c799c6fa08cdd4340fb8b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 406f4f7a5952cd6c2134a2f29b3cca3d06e1b8716ae8d4447272509340a407ec
[INFO] running `Command { std: "docker" "start" "-a" "406f4f7a5952cd6c2134a2f29b3cca3d06e1b8716ae8d4447272509340a407ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/reader.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | / pin_project! {
[INFO] [stdout] 122 | | /// Manages file watches, and can be polled to receive new lines.
[INFO] [stdout] 123 | | ///
[INFO] [stdout] 124 | | /// ## Streaming multiplexed lines
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | | }
[INFO] [stdout] 144 | | }
[INFO] [stdout]     | |_^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `$crate::__pin_project_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling linemux v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/reader.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | / pin_project! {
[INFO] [stdout] 122 | | /// Manages file watches, and can be polled to receive new lines.
[INFO] [stdout] 123 | | ///
[INFO] [stdout] 124 | | /// ## Streaming multiplexed lines
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | | }
[INFO] [stdout] 144 | | }
[INFO] [stdout]     | |_^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `$crate::__pin_project_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.21s
[INFO] running `Command { std: "docker" "inspect" "406f4f7a5952cd6c2134a2f29b3cca3d06e1b8716ae8d4447272509340a407ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406f4f7a5952cd6c2134a2f29b3cca3d06e1b8716ae8d4447272509340a407ec", kill_on_drop: false }`
[INFO] [stdout] 406f4f7a5952cd6c2134a2f29b3cca3d06e1b8716ae8d4447272509340a407ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7dd46d2c4946903e3be562b8624344a58108e6b2971f9e6c517a70ae6e9e299
[INFO] running `Command { std: "docker" "start" "-a" "c7dd46d2c4946903e3be562b8624344a58108e6b2971f9e6c517a70ae6e9e299", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stdout] 
[INFO] [stderr]    --> src/reader.rs:121:1
[INFO] [stdout] running 17 tests
[INFO] [stderr]     |
[INFO] [stderr] 121 | / pin_project! {
[INFO] [stderr] 122 | | /// Manages file watches, and can be polled to receive new lines.
[INFO] [stderr] 123 | | ///
[INFO] [stderr] 124 | | /// ## Streaming multiplexed lines
[INFO] [stderr] ...   |
[INFO] [stderr] 143 | | }
[INFO] [stderr] 144 | | }
[INFO] [stderr]     | |_^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `$crate::__pin_project_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `linemux` (lib) generated 1 warning
[INFO] [stderr] warning: `linemux` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linemux-eaa7fb9bfcd98728)
[INFO] [stdout] test events::tests::test_add_directory ... ok
[INFO] [stdout] test events::tests::test_notify_error ... ok
[INFO] [stdout] test events::tests::test_add_bad_filename ... ok
[INFO] [stdout] test reader::tests::test_add_bad_filename ... ok
[INFO] [stdout] test reader::tests::test_streamstate_debug ... ok
[INFO] [stdout] test reader::tests::test_is_send ... ok
[INFO] [stdout] test reader::tests::test_is_sync ... ok
[INFO] [stdout] test reader::tests::test_line_fns ... ok
[INFO] [stdout] test reader::tests::test_empty_next_line ... ok
[INFO] [stdout] test events::tests::test_empty_next_event ... ok
[INFO] [stdout] test reader::tests::test_add_directory ... ok
[INFO] [stdout] test reader::tests::test_inner_fns ... ok
[INFO] [stdout] test reader::tests::test_ops_in_transient_state ... ok
[INFO] [stdout] test reader::tests::test_add_existing_file ... ok
[INFO] [stdout] test reader::tests::test_add_missing_files ... ok
[INFO] [stdout] test reader::tests::test_file_rollover ... ok
[INFO] [stdout] test events::tests::test_add_missing_files ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.33s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linemux
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7dd46d2c4946903e3be562b8624344a58108e6b2971f9e6c517a70ae6e9e299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7dd46d2c4946903e3be562b8624344a58108e6b2971f9e6c517a70ae6e9e299", kill_on_drop: false }`
[INFO] [stdout] c7dd46d2c4946903e3be562b8624344a58108e6b2971f9e6c517a70ae6e9e299