[INFO] cloning repository https://github.com/sigpher/trpl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sigpher/trpl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Ftrpl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Ftrpl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 979a1bad404d01b49d6d53a313f7e1ebf39d7bbc
[INFO] checking sigpher/trpl against try#d12484522bcab8d07e325c6570f226a2faace3f7 for pr-128425-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Ftrpl" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sigpher/trpl on toolchain d12484522bcab8d07e325c6570f226a2faace3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sigpher/trpl
[INFO] finished tweaking git repo https://github.com/sigpher/trpl
[INFO] tweaked toml for git repo https://github.com/sigpher/trpl written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sigpher/trpl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "fetch" "--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
[ERROR] error running command: no output for 300 seconds
[INFO] checking sigpher/trpl against try#d12484522bcab8d07e325c6570f226a2faace3f7 for pr-128425-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Ftrpl" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sigpher/trpl on toolchain d12484522bcab8d07e325c6570f226a2faace3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sigpher/trpl
[INFO] finished tweaking git repo https://github.com/sigpher/trpl
[INFO] tweaked toml for git repo https://github.com/sigpher/trpl written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sigpher/trpl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "fetch" "--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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d4129faad0ff76ce69913f4ed67de8abfb6d60d0fc8f6f978367cb3a13fc67b
[INFO] running `Command { std: "docker" "start" "-a" "4d4129faad0ff76ce69913f4ed67de8abfb6d60d0fc8f6f978367cb3a13fc67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d4129faad0ff76ce69913f4ed67de8abfb6d60d0fc8f6f978367cb3a13fc67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4129faad0ff76ce69913f4ed67de8abfb6d60d0fc8f6f978367cb3a13fc67b", kill_on_drop: false }`
[INFO] [stdout] 4d4129faad0ff76ce69913f4ed67de8abfb6d60d0fc8f6f978367cb3a13fc67b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8239daa257e1d7180746d270c74b10f1295ec2a7c2588e2ac1dba55489cafc61
[INFO] running `Command { std: "docker" "start" "-a" "8239daa257e1d7180746d270c74b10f1295ec2a7c2588e2ac1dba55489cafc61", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking ch10 v0.1.0 (/opt/rustwide/workdir/ch10)
[INFO] [stderr]     Checking ch05 v0.1.0 (/opt/rustwide/workdir/ch05)
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking ch11 v0.1.0 (/opt/rustwide/workdir/ch11)
[INFO] [stderr]     Checking ch03 v0.1.0 (/opt/rustwide/workdir/ch03)
[INFO] [stderr]     Checking ch07 v0.1.0 (/opt/rustwide/workdir/ch07)
[INFO] [stderr]     Checking ch08 v0.1.0 (/opt/rustwide/workdir/ch08)
[INFO] [stderr]     Checking ch13 v0.1.0 (/opt/rustwide/workdir/ch13)
[INFO] [stderr]     Checking ch15 v0.1.0 (/opt/rustwide/workdir/ch15)
[INFO] [stderr]     Checking ch12 v0.1.0 (/opt/rustwide/workdir/ch12)
[INFO] [stderr]     Checking ch14 v0.1.0 (/opt/rustwide/workdir/ch14)
[INFO] [stderr]     Checking ch06 v0.1.0 (/opt/rustwide/workdir/ch06)
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> ch15/src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let d = CustomSmartPointer {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> ch15/src/main.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let j = &mut i;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `i` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> ch15/src/main.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let j = &mut i;
[INFO] [stdout]    |             ^^^^^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let mut i = 4;
[INFO] [stdout]    |         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ch15` (bin "ch15") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> ch15/src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let d = CustomSmartPointer {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> ch15/src/main.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let j = &mut i;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `i` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> ch15/src/main.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let j = &mut i;
[INFO] [stdout]    |             ^^^^^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let mut i = 4;
[INFO] [stdout]    |         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ch15` (bin "ch15" test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8239daa257e1d7180746d270c74b10f1295ec2a7c2588e2ac1dba55489cafc61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8239daa257e1d7180746d270c74b10f1295ec2a7c2588e2ac1dba55489cafc61", kill_on_drop: false }`
[INFO] [stdout] 8239daa257e1d7180746d270c74b10f1295ec2a7c2588e2ac1dba55489cafc61
