[INFO] fetching crate rwth_cli 0.1.3...
[INFO] checking rwth_cli-0.1.3 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate rwth_cli 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rwth_cli 0.1.3 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rwth_cli 0.1.3
[INFO] finished tweaking crates.io crate rwth_cli 0.1.3
[INFO] tweaked toml for crates.io crate rwth_cli 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rwth_cli 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-io v0.3.1
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[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] 21116d10fcee55b378a7ef711f3e1f8d736ea59253a9e4396aa403130f79ab2b
[INFO] running `Command { std: "docker" "start" "-a" "21116d10fcee55b378a7ef711f3e1f8d736ea59253a9e4396aa403130f79ab2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21116d10fcee55b378a7ef711f3e1f8d736ea59253a9e4396aa403130f79ab2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21116d10fcee55b378a7ef711f3e1f8d736ea59253a9e4396aa403130f79ab2b", kill_on_drop: false }`
[INFO] [stdout] 21116d10fcee55b378a7ef711f3e1f8d736ea59253a9e4396aa403130f79ab2b
[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=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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0d8574d9a5ec7959deca755928f0a90887e1cb9b311574e7becca4cb2dfc90f
[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" "b0d8574d9a5ec7959deca755928f0a90887e1cb9b311574e7becca4cb2dfc90f", kill_on_drop: false }`
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[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
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[INFO] [stderr]    Compiling native-tls v0.2.3
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[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking clap v2.33.0
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[INFO] [stderr]     Checking tokio-tls v0.3.0
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[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]     Checking rwth_cli v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `l2p_matches`
[INFO] [stdout]    --> src/main.rs:124:30
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 ("l2p", Some(l2p_matches)) => {
[INFO] [stdout]     |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_l2p_matches`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l2p_matches`
[INFO] [stdout]    --> src/main.rs:124:30
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 ("l2p", Some(l2p_matches)) => {
[INFO] [stdout]     |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_l2p_matches`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list_files_in_course_topic`
[INFO] [stdout]   --> src/user_interaction/clap_subcommands.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn list_files_in_course_topic(courseid: &str, topicname: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_progress_bar`
[INFO] [stdout]    --> src/user_interaction/clap_subcommands.rs:196:4
[INFO] [stdout]     |
[INFO] [stdout] 196 | fn create_progress_bar(msg: &str, length: Option<u64>) -> ProgressBar {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list_files_in_course_topic`
[INFO] [stdout]   --> src/user_interaction/clap_subcommands.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn list_files_in_course_topic(courseid: &str, topicname: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_progress_bar`
[INFO] [stdout]    --> src/user_interaction/clap_subcommands.rs:196:4
[INFO] [stdout]     |
[INFO] [stdout] 196 | fn create_progress_bar(msg: &str, length: Option<u64>) -> ProgressBar {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/config_access.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Err(_) => panic!("Your configuration file is malformatted.".to_owned() + &error_msg),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Err(_) => panic!("{}", "Your configuration file is malformatted.".to_owned() + &error_msg),
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Err(_) => std::panic::panic_any("Your configuration file is malformatted.".to_owned() + &error_msg),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/config_access.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Err(_) => panic!("Your configuration file is malformatted.".to_owned() + &error_msg),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Err(_) => panic!("{}", "Your configuration file is malformatted.".to_owned() + &error_msg),
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Err(_) => std::panic::panic_any("Your configuration file is malformatted.".to_owned() + &error_msg),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.48s
[INFO] running `Command { std: "docker" "inspect" "b0d8574d9a5ec7959deca755928f0a90887e1cb9b311574e7becca4cb2dfc90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d8574d9a5ec7959deca755928f0a90887e1cb9b311574e7becca4cb2dfc90f", kill_on_drop: false }`
[INFO] [stdout] b0d8574d9a5ec7959deca755928f0a90887e1cb9b311574e7becca4cb2dfc90f