[INFO] cloning repository https://github.com/Vurich/sexpress
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vurich/sexpress" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVurich%2Fsexpress", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVurich%2Fsexpress'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce998ca0b7f5d4a7f02f800612cd2b72f26d4a14
[INFO] testing Vurich/sexpress against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVurich%2Fsexpress" "/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/Vurich/sexpress on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Vurich/sexpress
[INFO] finished tweaking git repo https://github.com/Vurich/sexpress
[INFO] tweaked toml for git repo https://github.com/Vurich/sexpress written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Vurich/sexpress already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Vurich/toolshed.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap v0.6.1
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 423228d976e9dbdec022b1c68846c755c4b34e52536888ba1c78bc06778ad0e4
[INFO] running `Command { std: "docker" "start" "-a" "423228d976e9dbdec022b1c68846c755c4b34e52536888ba1c78bc06778ad0e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "423228d976e9dbdec022b1c68846c755c4b34e52536888ba1c78bc06778ad0e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "423228d976e9dbdec022b1c68846c755c4b34e52536888ba1c78bc06778ad0e4", kill_on_drop: false }`
[INFO] [stdout] 423228d976e9dbdec022b1c68846c755c4b34e52536888ba1c78bc06778ad0e4
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4cb08e3d83502d0943587b3bc7ca76abe4ba6e29bfd8bd5e99ecb7a08dac1ba
[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" "e4cb08e3d83502d0943587b3bc7ca76abe4ba6e29bfd8bd5e99ecb7a08dac1ba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling smallvec v0.6.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling toolshed v0.4.0 (https://github.com/Vurich/toolshed.git?branch=set-tools#c6f16dbe)
[INFO] [stderr]    Compiling sexpress v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 try!(write!(f, "{}", open));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:169:21
[INFO] [stdout]     |
[INFO] [stdout] 169 |                     try!(write!(f, "{}", first));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:171:25
[INFO] [stdout]     |
[INFO] [stdout] 171 |                         try!(write!(f, " {}", x));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 |                     try!(write!(f, " . {}", last));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:515:30
[INFO] [stdout]     |
[INFO] [stdout] 515 |             let next_token = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:524:30
[INFO] [stdout]     |
[INFO] [stdout] 524 |             let next_token = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:541:30
[INFO] [stdout]     |
[INFO] [stdout] 541 |             let next_token = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:572:40
[INFO] [stdout]     |
[INFO] [stdout] 572 |                     last = arena.alloc(try!(parse_inner(counter, loc_cache, arena, input)));
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:587:31
[INFO] [stdout]     |
[INFO] [stdout] 587 |                 let current = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:418:21
[INFO] [stdout]     |
[INFO] [stdout] 418 |                 let mut without_backslashes = arena.require(bytes.len());
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "e4cb08e3d83502d0943587b3bc7ca76abe4ba6e29bfd8bd5e99ecb7a08dac1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4cb08e3d83502d0943587b3bc7ca76abe4ba6e29bfd8bd5e99ecb7a08dac1ba", kill_on_drop: false }`
[INFO] [stdout] e4cb08e3d83502d0943587b3bc7ca76abe4ba6e29bfd8bd5e99ecb7a08dac1ba
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4e72d10b7f87028770aeb7eb9212b40a3fb38004fa0fd1d9e370f0735354247
[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" "a4e72d10b7f87028770aeb7eb9212b40a3fb38004fa0fd1d9e370f0735354247", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 try!(write!(f, "{}", open));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:169:21
[INFO] [stdout]     |
[INFO] [stdout] 169 |                     try!(write!(f, "{}", first));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:171:25
[INFO] [stdout]     |
[INFO] [stdout] 171 |                         try!(write!(f, " {}", x));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 |                     try!(write!(f, " . {}", last));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:515:30
[INFO] [stdout]     |
[INFO] [stdout] 515 |             let next_token = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:524:30
[INFO] [stdout]     |
[INFO] [stdout] 524 |             let next_token = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:541:30
[INFO] [stdout]     |
[INFO] [stdout] 541 |             let next_token = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:572:40
[INFO] [stdout]     |
[INFO] [stdout] 572 |                     last = arena.alloc(try!(parse_inner(counter, loc_cache, arena, input)));
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:587:31
[INFO] [stdout]     |
[INFO] [stdout] 587 |                 let current = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:418:21
[INFO] [stdout]     |
[INFO] [stdout] 418 |                 let mut without_backslashes = arena.require(bytes.len());
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling memmap v0.6.1
[INFO] [stderr]    Compiling sexpress v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 try!(write!(f, "{}", open));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:169:21
[INFO] [stdout]     |
[INFO] [stdout] 169 |                     try!(write!(f, "{}", first));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:171:25
[INFO] [stdout]     |
[INFO] [stdout] 171 |                         try!(write!(f, " {}", x));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 |                     try!(write!(f, " . {}", last));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:515:30
[INFO] [stdout]     |
[INFO] [stdout] 515 |             let next_token = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:524:30
[INFO] [stdout]     |
[INFO] [stdout] 524 |             let next_token = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:541:30
[INFO] [stdout]     |
[INFO] [stdout] 541 |             let next_token = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:572:40
[INFO] [stdout]     |
[INFO] [stdout] 572 |                     last = arena.alloc(try!(parse_inner(counter, loc_cache, arena, input)));
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:587:31
[INFO] [stdout]     |
[INFO] [stdout] 587 |                 let current = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:418:21
[INFO] [stdout]     |
[INFO] [stdout] 418 |                 let mut without_backslashes = arena.require(bytes.len());
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "a4e72d10b7f87028770aeb7eb9212b40a3fb38004fa0fd1d9e370f0735354247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e72d10b7f87028770aeb7eb9212b40a3fb38004fa0fd1d9e370f0735354247", kill_on_drop: false }`
[INFO] [stdout] a4e72d10b7f87028770aeb7eb9212b40a3fb38004fa0fd1d9e370f0735354247
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35441e23296de31e918fe5c48e6b5092f2b5f1e2669127fa97b8416ed33533aa
[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" "35441e23296de31e918fe5c48e6b5092f2b5f1e2669127fa97b8416ed33533aa", 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] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:167:17
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 try!(write!(f, "{}", open));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:169:21
[INFO] [stderr]     |
[INFO] [stderr] 169 |                     try!(write!(f, "{}", first));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:171:25
[INFO] [stderr]     |
[INFO] [stderr] 171 |                         try!(write!(f, " {}", x));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:177:21
[INFO] [stderr]     |
[INFO] [stderr] 177 |                     try!(write!(f, " . {}", last));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:515:30
[INFO] [stderr]     |
[INFO] [stderr] 515 |             let next_token = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:524:30
[INFO] [stderr]     |
[INFO] [stderr] 524 |             let next_token = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:541:30
[INFO] [stderr]     |
[INFO] [stderr] 541 |             let next_token = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:572:40
[INFO] [stderr]     |
[INFO] [stderr] 572 |                     last = arena.alloc(try!(parse_inner(counter, loc_cache, arena, input)));
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:587:31
[INFO] [stderr]     |
[INFO] [stderr] 587 |                 let current = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:418:21
[INFO] [stderr]     |
[INFO] [stderr] 418 |                 let mut without_backslashes = arena.require(bytes.len());
[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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:167:17
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 try!(write!(f, "{}", open));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:169:21
[INFO] [stderr]     |
[INFO] [stderr] 169 |                     try!(write!(f, "{}", first));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:171:25
[INFO] [stderr]     |
[INFO] [stderr] 171 |                         try!(write!(f, " {}", x));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:177:21
[INFO] [stderr]     |
[INFO] [stderr] 177 |                     try!(write!(f, " . {}", last));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:515:30
[INFO] [stderr]     |
[INFO] [stderr] 515 |             let next_token = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:524:30
[INFO] [stderr]     |
[INFO] [stderr] 524 |             let next_token = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:541:30
[INFO] [stderr]     |
[INFO] [stderr] 541 |             let next_token = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:572:40
[INFO] [stderr]     |
[INFO] [stderr] 572 |                     last = arena.alloc(try!(parse_inner(counter, loc_cache, arena, input)));
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:587:31
[INFO] [stderr]     |
[INFO] [stderr] 587 |                 let current = try!(parse_inner(counter, loc_cache, arena, input));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:418:21
[INFO] [stderr]     |
[INFO] [stderr] 418 |                 let mut without_backslashes = arena.require(bytes.len());
[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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sexpress-25d3bdb7c9e1a1c5
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::parses_ident_start ... ok
[INFO] [stdout] test tests::parses_ident ... ok
[INFO] [stdout] test tests::parses_bool ... ok
[INFO] [stdout] test tests::parses_idents ... ok
[INFO] [stdout] test tests::parses_numbers ... ok
[INFO] [stdout] test tests::displays_correctly ... ok
[INFO] [stdout] test tests::parses_string ... ok
[INFO] [stdout] test tests::parses_everything ... ok
[INFO] [stderr]    Doc-tests sexpress
[INFO] [stdout] test tests::parses_files ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "35441e23296de31e918fe5c48e6b5092f2b5f1e2669127fa97b8416ed33533aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35441e23296de31e918fe5c48e6b5092f2b5f1e2669127fa97b8416ed33533aa", kill_on_drop: false }`
[INFO] [stdout] 35441e23296de31e918fe5c48e6b5092f2b5f1e2669127fa97b8416ed33533aa
