[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] checking MinusKelvin/ppt-tas against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusKelvin%2Fppt-tas" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MinusKelvin/ppt-tas on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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-2/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d393cf1a45f79d2da41e2f43556b51ced85fd77de404b3339f5c62784ef399c6
[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" "d393cf1a45f79d2da41e2f43556b51ced85fd77de404b3339f5c62784ef399c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d393cf1a45f79d2da41e2f43556b51ced85fd77de404b3339f5c62784ef399c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d393cf1a45f79d2da41e2f43556b51ced85fd77de404b3339f5c62784ef399c6", kill_on_drop: false }`
[INFO] [stdout] d393cf1a45f79d2da41e2f43556b51ced85fd77de404b3339f5c62784ef399c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8df56787df42c6633a2b15589deb1f911227353de137c6318ba9afc9dbd1bd35
[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" "8df56787df42c6633a2b15589deb1f911227353de137c6318ba9afc9dbd1bd35", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking 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] 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<(), Box<(dyn std::error::Error + 'static)>>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 27 |     detach(pid)
[INFO] [stdout]    |     ^^^^^^^^^^^ expected struct `Box`, found enum `nix::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `std::result::Result<_, Box<(dyn std::error::Error + 'static)>>`
[INFO] [stdout]               found enum `std::result::Result<_, nix::Error>`
[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<(), Box<(dyn std::error::Error + 'static)>>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 27 |     detach(pid)
[INFO] [stdout]    |     ^^^^^^^^^^^ expected struct `Box`, found enum `nix::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `std::result::Result<_, 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[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<(), Box<(dyn std::error::Error + 'static)>>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 107 |     setregs(pid, regs)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^ expected struct `Box`, found enum `nix::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::result::Result<_, Box<(dyn std::error::Error + 'static)>>`
[INFO] [stdout]                found enum `std::result::Result<_, nix::Error>`
[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<(), Box<(dyn std::error::Error + 'static)>>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 107 |     setregs(pid, regs)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^ expected struct `Box`, found enum `nix::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::result::Result<_, 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] [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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8df56787df42c6633a2b15589deb1f911227353de137c6318ba9afc9dbd1bd35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df56787df42c6633a2b15589deb1f911227353de137c6318ba9afc9dbd1bd35", kill_on_drop: false }`
[INFO] [stdout] 8df56787df42c6633a2b15589deb1f911227353de137c6318ba9afc9dbd1bd35
