[INFO] cloning repository https://github.com/lise-henry/rscheme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lise-henry/rscheme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flise-henry%2Frscheme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flise-henry%2Frscheme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af30c24aa7a25b9d8bd71703a2650384b4aa8cbb
[INFO] testing lise-henry/rscheme against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flise-henry%2Frscheme" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lise-henry/rscheme on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lise-henry/rscheme
[INFO] finished tweaking git repo https://github.com/lise-henry/rscheme
[INFO] tweaked toml for git repo https://github.com/lise-henry/rscheme written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/lise-henry/rscheme already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdea2503eb5a2b443f707548dedcad4746988e797a34771c81f9e89e94d8a60d
[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" "bdea2503eb5a2b443f707548dedcad4746988e797a34771c81f9e89e94d8a60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdea2503eb5a2b443f707548dedcad4746988e797a34771c81f9e89e94d8a60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdea2503eb5a2b443f707548dedcad4746988e797a34771c81f9e89e94d8a60d", kill_on_drop: false }`
[INFO] [stdout] bdea2503eb5a2b443f707548dedcad4746988e797a34771c81f9e89e94d8a60d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9365e993e2ac90536a6c2616d13b3db432503b37aaa0c60f2e9d020b3b3b89cd
[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" "9365e993e2ac90536a6c2616d13b3db432503b37aaa0c60f2e9d020b3b3b89cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rscheme v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             try!(formatter.write_str(" "));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             try!(e1.fmt(formatter));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 try!(formatter.write_str("'"));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 try!(formatter.write_str("("));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 try!(e1.fmt(formatter));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 try!(formatter.write_str(","));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 try!(formatter.write_str("`"));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     '0' ... '9' => {
[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/lexer.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |             '0' ... '9' => {
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/eval.rs:86:39
[INFO] [stdout]    |
[INFO] [stdout] 86 |             env: Rc::new(RefCell::new((HashMap::new()))),
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/eval.rs:87:46
[INFO] [stdout]    |
[INFO] [stdout] 87 |             global_env: Rc::new(RefCell::new((HashMap::new()))),
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/eval.rs:438:13
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let mut new_c:Context;
[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: type alias is never used: `Result`
[INFO] [stdout]   --> src/lexer.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type Result = result::Result<Token, &'static str>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "9365e993e2ac90536a6c2616d13b3db432503b37aaa0c60f2e9d020b3b3b89cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9365e993e2ac90536a6c2616d13b3db432503b37aaa0c60f2e9d020b3b3b89cd", kill_on_drop: false }`
[INFO] [stdout] 9365e993e2ac90536a6c2616d13b3db432503b37aaa0c60f2e9d020b3b3b89cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e511b08aba84b94416ec9dafa009472f293aae598bd5d8c5cda7d78989f8422e
[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" "e511b08aba84b94416ec9dafa009472f293aae598bd5d8c5cda7d78989f8422e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rscheme v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             try!(formatter.write_str(" "));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             try!(e1.fmt(formatter));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 try!(formatter.write_str("'"));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 try!(formatter.write_str("("));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 try!(e1.fmt(formatter));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 try!(formatter.write_str(","));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 try!(formatter.write_str("`"));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     '0' ... '9' => {
[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/lexer.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |             '0' ... '9' => {
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/eval.rs:86:39
[INFO] [stdout]    |
[INFO] [stdout] 86 |             env: Rc::new(RefCell::new((HashMap::new()))),
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/eval.rs:87:46
[INFO] [stdout]    |
[INFO] [stdout] 87 |             global_env: Rc::new(RefCell::new((HashMap::new()))),
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/eval.rs:438:13
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let mut new_c:Context;
[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: type alias is never used: `Result`
[INFO] [stdout]   --> src/lexer.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type Result = result::Result<Token, &'static str>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "e511b08aba84b94416ec9dafa009472f293aae598bd5d8c5cda7d78989f8422e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e511b08aba84b94416ec9dafa009472f293aae598bd5d8c5cda7d78989f8422e", kill_on_drop: false }`
[INFO] [stdout] e511b08aba84b94416ec9dafa009472f293aae598bd5d8c5cda7d78989f8422e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed151d89c4d61f56ab31c6992aefc3df57ce0638058c7d4e2e1c9a63febb1e46
[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" "ed151d89c4d61f56ab31c6992aefc3df57ce0638058c7d4e2e1c9a63febb1e46", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/expr.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             try!(formatter.write_str(" "));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/expr.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             try!(e1.fmt(formatter));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/expr.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 try!(formatter.write_str("'"));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/expr.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 try!(formatter.write_str("("));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/expr.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 try!(e1.fmt(formatter));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/expr.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 try!(formatter.write_str(","));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/expr.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 try!(formatter.write_str("`"));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:102:25
[INFO] [stderr]     |
[INFO] [stderr] 102 |                     '0' ... '9' => {
[INFO] [stderr]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |             '0' ... '9' => {
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/eval.rs:86:39
[INFO] [stderr]    |
[INFO] [stderr] 86 |             env: Rc::new(RefCell::new((HashMap::new()))),
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/eval.rs:87:46
[INFO] [stderr]    |
[INFO] [stderr] 87 |             global_env: Rc::new(RefCell::new((HashMap::new()))),
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/eval.rs:438:13
[INFO] [stderr]     |
[INFO] [stderr] 438 |         let mut new_c:Context;
[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: type alias is never used: `Result`
[INFO] [stderr]   --> src/lexer.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type Result = result::Result<Token, &'static str>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rscheme-5a9627325e8d0382
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_float ... ok
[INFO] [stdout] test tests::test_integer ... ok
[INFO] [stdout] test tests::test_lambda ... ok
[INFO] [stdout] test tests::test_env_1 ... ok
[INFO] [stdout] test tests::test_nil ... ok
[INFO] [stdout] test tests::test_env_2 ... ok
[INFO] [stdout] test tests::test_list ... ok
[INFO] [stdout] test tests::test_non_existing_file ... ok
[INFO] [stdout] test tests::test_macro ... ok
[INFO] [stdout] test tests::test_def ... ok
[INFO] [stdout] test tests::test_factorial ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed151d89c4d61f56ab31c6992aefc3df57ce0638058c7d4e2e1c9a63febb1e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed151d89c4d61f56ab31c6992aefc3df57ce0638058c7d4e2e1c9a63febb1e46", kill_on_drop: false }`
[INFO] [stdout] ed151d89c4d61f56ab31c6992aefc3df57ce0638058c7d4e2e1c9a63febb1e46