[INFO] cloning repository https://github.com/suhr/med
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suhr/med" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fmed", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fmed'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9348517979e0c668a7933c259ad20b2ad4d4210c
[INFO] testing suhr/med against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fmed" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suhr/med on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/suhr/med
[INFO] finished tweaking git repo https://github.com/suhr/med
[INFO] tweaked toml for git repo https://github.com/suhr/med written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/suhr/med already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61d76e1f6421b7be3d6e8bc8b7e2beeb36cfceb911859ed7da332300fb7baec6
[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" "61d76e1f6421b7be3d6e8bc8b7e2beeb36cfceb911859ed7da332300fb7baec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61d76e1f6421b7be3d6e8bc8b7e2beeb36cfceb911859ed7da332300fb7baec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d76e1f6421b7be3d6e8bc8b7e2beeb36cfceb911859ed7da332300fb7baec6", kill_on_drop: false }`
[INFO] [stdout] 61d76e1f6421b7be3d6e8bc8b7e2beeb36cfceb911859ed7da332300fb7baec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b6188e8de5681fa77a7b06cb0fdd61a37daa95f69b8134b8862808a36e9ae75
[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" "3b6188e8de5681fa77a7b06cb0fdd61a37daa95f69b8134b8862808a36e9ae75", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling portmidi v0.2.4
[INFO] [stderr]    Compiling monochord v0.1.1
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling clap v2.29.2
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling med v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{Read, BufReader, BufRead};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |         '0'...'9' => true,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |         'A'...'Z' | 'a'...'z' => true,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:164:24
[INFO] [stdout]     |
[INFO] [stdout] 164 |         'A'...'Z' | 'a'...'z' => true,
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:171:16
[INFO] [stdout]     |
[INFO] [stdout] 171 |         l @ 'a'...'h' => Some(l as i8 - 'd' as i8),
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:296:17
[INFO] [stdout]     |
[INFO] [stdout] 296 |                 self.exec(l);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:402:21
[INFO] [stdout]     |
[INFO] [stdout] 402 |                     self.exec(&l);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:471:13
[INFO] [stdout]     |
[INFO] [stdout] 471 |             int.exec(&line.unwrap());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:485:17
[INFO] [stdout]     |
[INFO] [stdout] 485 |                 int.exec(&line);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f.med.4rg9yuxh-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f.med.4rg9yuxh-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f.med.4rg9yuxh-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f.med.4rg9yuxh-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f.med.4rg9yuxh-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f.med.4rg9yuxh-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f.med.4rg9yuxh-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f.med.4rg9yuxh-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f.med.4rg9yuxh-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f.med.4rg9yuxh-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f.med.4rg9yuxh-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f.med.4rg9yuxh-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f.med.4rg9yuxh-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f.med.4rg9yuxh-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f.med.4rg9yuxh-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f.med.4rg9yuxh-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f" "/opt/rustwide/target/debug/deps/med-36e0b1691430577f.26vpi4xt15gid8zo.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libclap-aedb28030d963ffe.rlib" "/opt/rustwide/target/debug/deps/libvec_map-9dd5ef6849339e6d.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-62c93f1465599eaf.rlib" "/opt/rustwide/target/debug/deps/libstrsim-a6da7c298dd90abb.rlib" "/opt/rustwide/target/debug/deps/libbitflags-fe4e05131e8568e3.rlib" "/opt/rustwide/target/debug/deps/libatty-59f2661ce29a7e2a.rlib" "/opt/rustwide/target/debug/deps/libansi_term-76fd54e8870ae944.rlib" "/opt/rustwide/target/debug/deps/librustyline-831d776489b5db53.rlib" "/opt/rustwide/target/debug/deps/libencode_unicode-5218c9f4d6c01419.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-4dd2557e3fc1d326.rlib" "/opt/rustwide/target/debug/deps/libnix-f6f0d73653e1111f.rlib" "/opt/rustwide/target/debug/deps/libbitflags-07daebe67b2b1ddf.rlib" "/opt/rustwide/target/debug/deps/liblibc-828b3fef0326b037.rlib" "/opt/rustwide/target/debug/deps/libmonochord-e3af97c6ff9f2858.rlib" "/opt/rustwide/target/debug/deps/libportmidi-cce0d516b16e7f90.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-lportmidi" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lportmidi
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `med`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3b6188e8de5681fa77a7b06cb0fdd61a37daa95f69b8134b8862808a36e9ae75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6188e8de5681fa77a7b06cb0fdd61a37daa95f69b8134b8862808a36e9ae75", kill_on_drop: false }`
[INFO] [stdout] 3b6188e8de5681fa77a7b06cb0fdd61a37daa95f69b8134b8862808a36e9ae75