[INFO] cloning repository https://github.com/MinusKelvin/ppt-tas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MinusKelvin/ppt-tas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusKelvin%2Fppt-tas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusKelvin%2Fppt-tas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c8105c90be44abd58e37d2978f778eed5ca03d5
[INFO] testing MinusKelvin/ppt-tas against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusKelvin%2Fppt-tas" "/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/MinusKelvin/ppt-tas on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MinusKelvin/ppt-tas
[INFO] finished tweaking git repo https://github.com/MinusKelvin/ppt-tas
[INFO] tweaked toml for git repo https://github.com/MinusKelvin/ppt-tas written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/MinusKelvin/ppt-tas already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cf4e41cdac1a09f827649c7a633b30877075aa00708363ae2e5b247f5018e227
[INFO] running `Command { std: "docker" "start" "-a" "cf4e41cdac1a09f827649c7a633b30877075aa00708363ae2e5b247f5018e227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf4e41cdac1a09f827649c7a633b30877075aa00708363ae2e5b247f5018e227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4e41cdac1a09f827649c7a633b30877075aa00708363ae2e5b247f5018e227", kill_on_drop: false }`
[INFO] [stdout] cf4e41cdac1a09f827649c7a633b30877075aa00708363ae2e5b247f5018e227
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ebde911bdd5a9f5ac6d62b76a599a7ecdf62041d05b92775f30ec98b13ff8bb
[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" "8ebde911bdd5a9f5ac6d62b76a599a7ecdf62041d05b92775f30ec98b13ff8bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ppt-tas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/main.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{ stdin, Read };
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/unix.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub fn playback() -> Result<()> {
[INFO] [stdout]    |                      ---------- expected `std::result::Result<(), std::boxed::Box<(dyn std::error::Error + 'static)>>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 27 |     detach(pid)
[INFO] [stdout]    |     ^^^^^^^^^^^ expected struct `std::boxed::Box`, found enum `nix::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `std::result::Result<_, std::boxed::Box<(dyn std::error::Error + 'static)>>`
[INFO] [stdout]               found enum `std::result::Result<_, nix::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_to_string` found for struct `std::fs::File` in the current scope
[INFO] [stdout]    --> src/unix.rs:84:10
[INFO] [stdout]     |
[INFO] [stdout] 84  |         .read_to_string(&mut cmdline).unwrap();
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ method not found in `std::fs::File`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use std::io::Read;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/unix.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 92  | fn breakpoint(pid: Pid, addr: u64) -> Result<()> {
[INFO] [stdout]     |                                       ---------- expected `std::result::Result<(), std::boxed::Box<(dyn std::error::Error + 'static)>>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 107 |     setregs(pid, regs)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^ expected struct `std::boxed::Box`, found enum `nix::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::result::Result<_, std::boxed::Box<(dyn std::error::Error + 'static)>>`
[INFO] [stdout]                found enum `std::result::Result<_, nix::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ppt-tas`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8ebde911bdd5a9f5ac6d62b76a599a7ecdf62041d05b92775f30ec98b13ff8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ebde911bdd5a9f5ac6d62b76a599a7ecdf62041d05b92775f30ec98b13ff8bb", kill_on_drop: false }`
[INFO] [stdout] 8ebde911bdd5a9f5ac6d62b76a599a7ecdf62041d05b92775f30ec98b13ff8bb