[INFO] cloning repository https://github.com/kentfredric/powerctl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kentfredric/powerctl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkentfredric%2Fpowerctl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkentfredric%2Fpowerctl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 631c2cbe244ee5937cf38c93e2dd70051860636b
[INFO] testing kentfredric/powerctl against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkentfredric%2Fpowerctl" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kentfredric/powerctl on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-24/source/.cargo/config
[INFO] started tweaking git repo https://github.com/kentfredric/powerctl
[INFO] finished tweaking git repo https://github.com/kentfredric/powerctl
[INFO] tweaked toml for git repo https://github.com/kentfredric/powerctl written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/kentfredric/powerctl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a6ab4a94b8ee77e0b6d8166d986cba1bcca72aa92146a54757e862a4c19478d
[INFO] running `Command { std: "docker" "start" "-a" "8a6ab4a94b8ee77e0b6d8166d986cba1bcca72aa92146a54757e862a4c19478d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a6ab4a94b8ee77e0b6d8166d986cba1bcca72aa92146a54757e862a4c19478d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a6ab4a94b8ee77e0b6d8166d986cba1bcca72aa92146a54757e862a4c19478d", kill_on_drop: false }`
[INFO] [stdout] 8a6ab4a94b8ee77e0b6d8166d986cba1bcca72aa92146a54757e862a4c19478d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f04c19566028aa534392bc869e8d8a2854127ffcbe555d1af8620d63cd1ffec5
[INFO] running `Command { std: "docker" "start" "-a" "f04c19566028aa534392bc869e8d8a2854127ffcbe555d1af8620d63cd1ffec5", kill_on_drop: false }`
[INFO] [stderr]    Compiling powerctrl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0437]: type `Error` is not a member of trait `Try`
[INFO] [stdout]   --> libpowerctl/src/maybe.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     type Error = E;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0437]: type `Ok` is not a member of trait `Try`
[INFO] [stdout]   --> libpowerctl/src/maybe.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     type Ok = Option<T>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `into_result` is not a member of trait `Try`
[INFO] [stdout]   --> libpowerctl/src/maybe.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | /     fn into_result(self) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout] 80 | |         match self {
[INFO] [stdout] 81 | |             Maybe::Some(t) => Ok(Some(t)),
[INFO] [stdout] 82 | |             Maybe::None => Ok(None),
[INFO] [stdout] 83 | |             Maybe::Err(e) => Err(e),
[INFO] [stdout] 84 | |         }
[INFO] [stdout] 85 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `from_error` is not a member of trait `Try`
[INFO] [stdout]   --> libpowerctl/src/maybe.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn from_error(v: Self::Error) -> Self { Maybe::Err(v) }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `from_ok` is not a member of trait `Try`
[INFO] [stdout]   --> libpowerctl/src/maybe.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 | /     fn from_ok(v: Self::Ok) -> Self {
[INFO] [stdout] 90 | |         match v {
[INFO] [stdout] 91 | |             Some(t) => Maybe::Some(t),
[INFO] [stdout] 92 | |             None => Maybe::None,
[INFO] [stdout] 93 | |         }
[INFO] [stdout] 94 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> libpowerctl/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'try_trait_v2'
[INFO] [stdout]  --> libpowerctl/src/maybe.rs:6:41
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{convert::TryInto, fmt::Debug, ops::Try};
[INFO] [stdout]   |                                         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'try_trait_v2'
[INFO] [stdout]   --> libpowerctl/src/maybe.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl<T, E> Try for Maybe<T, E> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Ok` not found for `Self`
[INFO] [stdout]   --> libpowerctl/src/maybe.rs:79:42
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn into_result(self) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]    |                                          ^^ associated type `Ok` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Error` not found for `Self`
[INFO] [stdout]   --> libpowerctl/src/maybe.rs:79:52
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn into_result(self) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]    |                                                    ^^^^^ associated type `Error` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Error` not found for `Self`
[INFO] [stdout]   --> libpowerctl/src/maybe.rs:87:28
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn from_error(v: Self::Error) -> Self { Maybe::Err(v) }
[INFO] [stdout]    |                            ^^^^^ associated type `Error` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Ok` not found for `Self`
[INFO] [stdout]   --> libpowerctl/src/maybe.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn from_ok(v: Self::Ok) -> Self {
[INFO] [stdout]    |                         ^^ associated type `Ok` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0220, E0407, E0437, E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0220`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `powerctrl`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f04c19566028aa534392bc869e8d8a2854127ffcbe555d1af8620d63cd1ffec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04c19566028aa534392bc869e8d8a2854127ffcbe555d1af8620d63cd1ffec5", kill_on_drop: false }`
[INFO] [stdout] f04c19566028aa534392bc869e8d8a2854127ffcbe555d1af8620d63cd1ffec5
