[INFO] cloning repository https://github.com/CJW-MAPU/TideStudyProject
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CJW-MAPU/TideStudyProject" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCJW-MAPU%2FTideStudyProject", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCJW-MAPU%2FTideStudyProject'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cbcdf660d753354370ff5fa4bc0855ca24b4027
[INFO] checking CJW-MAPU/TideStudyProject against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCJW-MAPU%2FTideStudyProject" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CJW-MAPU/TideStudyProject on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CJW-MAPU/TideStudyProject
[INFO] finished tweaking git repo https://github.com/CJW-MAPU/TideStudyProject
[INFO] tweaked toml for git repo https://github.com/CJW-MAPU/TideStudyProject written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/CJW-MAPU/TideStudyProject already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acf5ecefb900392b8ed6edb70d2da1e381a315eb4ff61aa94b38a937751ce076
[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" "acf5ecefb900392b8ed6edb70d2da1e381a315eb4ff61aa94b38a937751ce076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acf5ecefb900392b8ed6edb70d2da1e381a315eb4ff61aa94b38a937751ce076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf5ecefb900392b8ed6edb70d2da1e381a315eb4ff61aa94b38a937751ce076", kill_on_drop: false }`
[INFO] [stdout] acf5ecefb900392b8ed6edb70d2da1e381a315eb4ff61aa94b38a937751ce076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1cad3a45a18abfd51df42452b7a00a3eea52a4a5c681b7079dc8efada77c2a3
[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" "f1cad3a45a18abfd51df42452b7a00a3eea52a4a5c681b7079dc8efada77c2a3", 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]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking proc-macro2 v1.0.10
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking parking_lot_core v0.7.1
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking error-chain v0.12.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking quote v1.0.3
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking serde_qs v0.5.2
[INFO] [stderr]     Checking broadcaster v1.0.0
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking http-service v0.4.0
[INFO] [stderr]     Checking http-service-hyper v0.4.1
[INFO] [stderr]     Checking tide v0.6.0
[INFO] [stderr]     Checking tide_study_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/main.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/main.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `file` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/main.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let file = File::open(fname)?;
[INFO] [stdout]     |         ---- help: consider changing this to be mutable: `mut file`
[INFO] [stdout] ...
[INFO] [stdout] 121 |     file.read_to_string(&mut contents);
[INFO] [stdout]     |     ^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `file` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/main.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let file = File::open(fname)?;
[INFO] [stdout]     |         ---- help: consider changing this to be mutable: `mut file`
[INFO] [stdout] ...
[INFO] [stdout] 121 |     file.read_to_string(&mut contents);
[INFO] [stdout]     |     ^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tide_study_project`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f1cad3a45a18abfd51df42452b7a00a3eea52a4a5c681b7079dc8efada77c2a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1cad3a45a18abfd51df42452b7a00a3eea52a4a5c681b7079dc8efada77c2a3", kill_on_drop: false }`
[INFO] [stdout] f1cad3a45a18abfd51df42452b7a00a3eea52a4a5c681b7079dc8efada77c2a3