[INFO] cloning repository https://github.com/zandeck/AoC2018 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zandeck/AoC2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzandeck%2FAoC2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzandeck%2FAoC2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3421072471457bd75252263fbedc638d1b9ed27b [INFO] checking zandeck/AoC2018 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzandeck%2FAoC2018" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] [stderr] Checking out files: 90% (1104/1218) Checking out files: 91% (1109/1218) Checking out files: 92% (1121/1218) Checking out files: 93% (1133/1218) Checking out files: 94% (1145/1218) Checking out files: 95% (1158/1218) Checking out files: 96% (1170/1218) Checking out files: 97% (1182/1218) Checking out files: 98% (1194/1218) Checking out files: 99% (1206/1218) Checking out files: 100% (1218/1218) Checking out files: 100% (1218/1218), done. [INFO] validating manifest of git repo https://github.com/zandeck/AoC2018 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zandeck/AoC2018 [INFO] finished tweaking git repo https://github.com/zandeck/AoC2018 [INFO] tweaked toml for git repo https://github.com/zandeck/AoC2018 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/zandeck/AoC2018 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.1.43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 24942bfd78f03f5bf9d33fe5926f33a331623ab244744140bde6b09794e4763a [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" "24942bfd78f03f5bf9d33fe5926f33a331623ab244744140bde6b09794e4763a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24942bfd78f03f5bf9d33fe5926f33a331623ab244744140bde6b09794e4763a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24942bfd78f03f5bf9d33fe5926f33a331623ab244744140bde6b09794e4763a", kill_on_drop: false }` [INFO] [stdout] 24942bfd78f03f5bf9d33fe5926f33a331623ab244744140bde6b09794e4763a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 65e329a6dfdd3bbad5cc64ee0ac4f2f5444091a6d60a5a6b8db5717c1778f6df [INFO] running `Command { std: "docker" "start" "-a" "65e329a6dfdd3bbad5cc64ee0ac4f2f5444091a6d60a5a6b8db5717c1778f6df", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking nom v4.1.1 [INFO] [stderr] Checking christmas_2018 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/common.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/common.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/common.rs:16:3 [INFO] [stdout] | [INFO] [stdout] 16 | BufReader::new(file).read_to_string(&mut data); [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/common.rs:16:3 [INFO] [stdout] | [INFO] [stdout] 16 | BufReader::new(file).read_to_string(&mut data); [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/common.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log` [INFO] [stdout] --> src/day2.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use log; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/day3.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/day3.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::result::Result` [INFO] [stdout] --> src/day3.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use log; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/common.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log` [INFO] [stdout] --> src/day2.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use log; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/day3.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/day3.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::result::Result` [INFO] [stdout] --> src/day3.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use log; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/day2.rs:55:86 [INFO] [stdout] | [INFO] [stdout] 55 | let res: Vec = w1.chars().zip(w2.chars()).filter(|(a, b)| a == b ).map(|(a,b)| a.to_string() ).collect(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/day4.rs:180:108 [INFO] [stdout] | [INFO] [stdout] 180 | let (g, (minute, freq)): (Guard, (i64, i64)) = self.most_minute_aslept2().into_iter().max_by_key(|(g, m)| m.1 ).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `freq` [INFO] [stdout] --> src/day4.rs:180:26 [INFO] [stdout] | [INFO] [stdout] 180 | let (g, (minute, freq)): (Guard, (i64, i64)) = self.most_minute_aslept2().into_iter().max_by_key(|(g, m)| m.1 ).unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_freq` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot borrow `count_letter` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/day2.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 9 | let counter = count_letter.get(&c).unwrap(); [INFO] [stdout] | ------------ immutable borrow occurs here [INFO] [stdout] 10 | count_letter.insert(c, counter + 1); [INFO] [stdout] | ^^^^^^^^^^^^ ------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day2.rs:53:7 [INFO] [stdout] | [INFO] [stdout] 53 | let mut data = common::import_file("resources/input2.txt".to_string()).unwrap(); [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: unused variable: `b` [INFO] [stdout] --> src/day2.rs:55:86 [INFO] [stdout] | [INFO] [stdout] 55 | let res: Vec = w1.chars().zip(w2.chars()).filter(|(a, b)| a == b ).map(|(a,b)| a.to_string() ).collect(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/day4.rs:180:108 [INFO] [stdout] | [INFO] [stdout] 180 | let (g, (minute, freq)): (Guard, (i64, i64)) = self.most_minute_aslept2().into_iter().max_by_key(|(g, m)| m.1 ).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `freq` [INFO] [stdout] --> src/day4.rs:180:26 [INFO] [stdout] | [INFO] [stdout] 180 | let (g, (minute, freq)): (Guard, (i64, i64)) = self.most_minute_aslept2().into_iter().max_by_key(|(g, m)| m.1 ).unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_freq` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot borrow `count_letter` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/day2.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 9 | let counter = count_letter.get(&c).unwrap(); [INFO] [stdout] | ------------ immutable borrow occurs here [INFO] [stdout] 10 | count_letter.insert(c, counter + 1); [INFO] [stdout] | ^^^^^^^^^^^^ ------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day2.rs:53:7 [INFO] [stdout] | [INFO] [stdout] 53 | let mut data = common::import_file("resources/input2.txt".to_string()).unwrap(); [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] error: aborting due to previous error; 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `christmas_2018` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to previous error; 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "65e329a6dfdd3bbad5cc64ee0ac4f2f5444091a6d60a5a6b8db5717c1778f6df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65e329a6dfdd3bbad5cc64ee0ac4f2f5444091a6d60a5a6b8db5717c1778f6df", kill_on_drop: false }` [INFO] [stdout] 65e329a6dfdd3bbad5cc64ee0ac4f2f5444091a6d60a5a6b8db5717c1778f6df