[INFO] cloning repository https://github.com/mgrabmueller/med
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgrabmueller/med" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgrabmueller%2Fmed", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgrabmueller%2Fmed'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eea892b4e510feaa621765d7c2bfa16f7c4ee523
[INFO] testing mgrabmueller/med against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgrabmueller%2Fmed" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mgrabmueller/med on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mgrabmueller/med
[INFO] finished tweaking git repo https://github.com/mgrabmueller/med
[INFO] tweaked toml for git repo https://github.com/mgrabmueller/med written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mgrabmueller/med already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b378b58e8e00d5fb9821b96d7844f219ef7d2e34b87428802b2e21d97af3578e
[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" "b378b58e8e00d5fb9821b96d7844f219ef7d2e34b87428802b2e21d97af3578e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b378b58e8e00d5fb9821b96d7844f219ef7d2e34b87428802b2e21d97af3578e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b378b58e8e00d5fb9821b96d7844f219ef7d2e34b87428802b2e21d97af3578e", kill_on_drop: false }`
[INFO] [stdout] b378b58e8e00d5fb9821b96d7844f219ef7d2e34b87428802b2e21d97af3578e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d0bd0b548f57e0f5671e85758ed78e7a94c32a7cf77e2b39a0f605c66cd0348
[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" "4d0bd0b548f57e0f5671e85758ed78e7a94c32a7cf77e2b39a0f605c66cd0348", kill_on_drop: false }`
[INFO] [stderr]    Compiling med v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1058:13
[INFO] [stdout]      |
[INFO] [stdout] 1058 |         let mut f = BufReader::new(File::open(fname)?);
[INFO] [stdout]      |             ----^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1671:13
[INFO] [stdout]      |
[INFO] [stdout] 1671 |         let mut last_cmd = Some(c);
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "4d0bd0b548f57e0f5671e85758ed78e7a94c32a7cf77e2b39a0f605c66cd0348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0bd0b548f57e0f5671e85758ed78e7a94c32a7cf77e2b39a0f605c66cd0348", kill_on_drop: false }`
[INFO] [stdout] 4d0bd0b548f57e0f5671e85758ed78e7a94c32a7cf77e2b39a0f605c66cd0348
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0bf37db5ab91aafc74badff91623f26efae61e2f16621e8e25a6c27a5f1493a
[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" "a0bf37db5ab91aafc74badff91623f26efae61e2f16621e8e25a6c27a5f1493a", kill_on_drop: false }`
[INFO] [stderr]    Compiling med v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1058:13
[INFO] [stdout]      |
[INFO] [stdout] 1058 |         let mut f = BufReader::new(File::open(fname)?);
[INFO] [stdout]      |             ----^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1671:13
[INFO] [stdout]      |
[INFO] [stdout] 1671 |         let mut last_cmd = Some(c);
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "a0bf37db5ab91aafc74badff91623f26efae61e2f16621e8e25a6c27a5f1493a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0bf37db5ab91aafc74badff91623f26efae61e2f16621e8e25a6c27a5f1493a", kill_on_drop: false }`
[INFO] [stdout] a0bf37db5ab91aafc74badff91623f26efae61e2f16621e8e25a6c27a5f1493a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", 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] aab433bd2ba4bf2e3ed3dde7ab24c953c78b7e240449ad727663885888347000
[INFO] running `Command { std: "docker" "start" "-a" "aab433bd2ba4bf2e3ed3dde7ab24c953c78b7e240449ad727663885888347000", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 9 tests
[INFO] [stderr]     --> src/main.rs:1058:13
[INFO] [stdout] test test::prompt_set ... ok
[INFO] [stderr]      |
[INFO] [stdout] test test::mark ... ok
[INFO] [stderr] 1058 |         let mut f = BufReader::new(File::open(fname)?);
[INFO] [stdout] test test::prompt_set2 ... ok
[INFO] [stderr]      |             ----^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:1671:13
[INFO] [stderr]      |
[INFO] [stderr] 1671 |         let mut last_cmd = Some(c);
[INFO] [stderr]      |             ----^^^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `med` (bin "med" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/med-f819b6cdb266a207)
[INFO] [stdout] test test::quit_modified3 ... ok
[INFO] [stdout] test test::quit_unmodified ... ok
[INFO] [stdout] test test::quit_modified ... ok
[INFO] [stdout] test test::prompt_toggle ... ok
[INFO] [stdout] test test::quit_unmodified2 ... ok
[INFO] [stdout] test test::quit_modified2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aab433bd2ba4bf2e3ed3dde7ab24c953c78b7e240449ad727663885888347000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aab433bd2ba4bf2e3ed3dde7ab24c953c78b7e240449ad727663885888347000", kill_on_drop: false }`
[INFO] [stdout] aab433bd2ba4bf2e3ed3dde7ab24c953c78b7e240449ad727663885888347000