[INFO] cloning repository https://github.com/Demindiro/unwrap_none
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Demindiro/unwrap_none" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDemindiro%2Funwrap_none", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDemindiro%2Funwrap_none'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73fa72888d79ff7449739e3c135aa7a8d0a94bd8
[INFO] testing Demindiro/unwrap_none against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDemindiro%2Funwrap_none" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Demindiro/unwrap_none on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Demindiro/unwrap_none
[INFO] finished tweaking git repo https://github.com/Demindiro/unwrap_none
[INFO] tweaked toml for git repo https://github.com/Demindiro/unwrap_none written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Demindiro/unwrap_none already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8b84274d09e4f5989e245e620dba41e90d7087eb4b51ac7e0ae3202de90aa16
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a8b84274d09e4f5989e245e620dba41e90d7087eb4b51ac7e0ae3202de90aa16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8b84274d09e4f5989e245e620dba41e90d7087eb4b51ac7e0ae3202de90aa16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8b84274d09e4f5989e245e620dba41e90d7087eb4b51ac7e0ae3202de90aa16", kill_on_drop: false }`
[INFO] [stdout] a8b84274d09e4f5989e245e620dba41e90d7087eb4b51ac7e0ae3202de90aa16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ca6d28db4aad73ca0cdf5a663e4fec22070ca0c5cd15fbb9a2cfd861eb6d28b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6ca6d28db4aad73ca0cdf5a663e4fec22070ca0c5cd15fbb9a2cfd861eb6d28b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unwrap_none v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "6ca6d28db4aad73ca0cdf5a663e4fec22070ca0c5cd15fbb9a2cfd861eb6d28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca6d28db4aad73ca0cdf5a663e4fec22070ca0c5cd15fbb9a2cfd861eb6d28b", kill_on_drop: false }`
[INFO] [stdout] 6ca6d28db4aad73ca0cdf5a663e4fec22070ca0c5cd15fbb9a2cfd861eb6d28b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 591ab65864d3773d0598be914063ec4462a85150c2da18735a6930f75067c7af
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "591ab65864d3773d0598be914063ec4462a85150c2da18735a6930f75067c7af", kill_on_drop: false }`
[INFO] [stderr]    Compiling unwrap_none v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "591ab65864d3773d0598be914063ec4462a85150c2da18735a6930f75067c7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "591ab65864d3773d0598be914063ec4462a85150c2da18735a6930f75067c7af", kill_on_drop: false }`
[INFO] [stdout] 591ab65864d3773d0598be914063ec4462a85150c2da18735a6930f75067c7af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4e9d71552999f3d1cd0bc4e56f38538103ca1e07e531fc4e0a463dd4f043e3f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f4e9d71552999f3d1cd0bc4e56f38538103ca1e07e531fc4e0a463dd4f043e3f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unwrap_none-7c82084c126af04c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unwrap_none
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - UnwrapNone::expect_none (line 26) ... FAILED
[INFO] [stdout] test src/lib.rs - UnwrapNone::unwrap_none (line 50) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stdout] test src/lib.rs - UnwrapNone::expect_none (line 15) ... FAILED
[INFO] [stdout] test src/lib.rs - UnwrapNone::unwrap_none (line 61) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - UnwrapNone::expect_none (line 26) stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:26:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(option_expect_none)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `expect_none` found for enum `Option` in the current scope
[INFO] [stdout]   --> src/lib.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |     sqrts.insert(i * i, i).expect_none("duplicate key");
[INFO] [stdout]    |                            ^^^^^^^^^^^ method not found in `Option<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - UnwrapNone::unwrap_none (line 50) stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:49:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(option_unwrap_none)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap_none` found for enum `Option` in the current scope
[INFO] [stdout]   --> src/lib.rs:57:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |     squares.insert(i, i * i).unwrap_none();
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn unwrap_none(self);
[INFO] [stdout]    |        ----------- the method is available for `Option<{integer}>` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 5  | use crate::unwrap_none::UnwrapNone;
[INFO] [stdout]    |
[INFO] [stdout] help: there is an associated function with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 10 |     squares.insert(i, i * i).unwrap_or();
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - UnwrapNone::expect_none (line 15) stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:15:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(option_expect_none)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `expect_none` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:22:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |     squares.insert(i, i * i).expect_none("duplicate key");
[INFO] [stdout]   |                              ^^^^^^^^^^^ method not found in `Option<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - UnwrapNone::unwrap_none (line 61) stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:60:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(option_unwrap_none)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap_none` found for enum `Option` in the current scope
[INFO] [stdout]   --> src/lib.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 11 |     sqrts.insert(i * i, i).unwrap_none();
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn unwrap_none(self);
[INFO] [stdout]    |        ----------- the method is available for `Option<{integer}>` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 5  | use crate::unwrap_none::UnwrapNone;
[INFO] [stdout]    |
[INFO] [stdout] help: there is an associated function with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 11 |     sqrts.insert(i * i, i).unwrap_or();
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - UnwrapNone::expect_none (line 15)
[INFO] [stdout]     src/lib.rs - UnwrapNone::expect_none (line 26)
[INFO] [stdout]     src/lib.rs - UnwrapNone::unwrap_none (line 50)
[INFO] [stdout]     src/lib.rs - UnwrapNone::unwrap_none (line 61)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4e9d71552999f3d1cd0bc4e56f38538103ca1e07e531fc4e0a463dd4f043e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e9d71552999f3d1cd0bc4e56f38538103ca1e07e531fc4e0a463dd4f043e3f", kill_on_drop: false }`
[INFO] [stdout] f4e9d71552999f3d1cd0bc4e56f38538103ca1e07e531fc4e0a463dd4f043e3f
