[INFO] cloning repository https://github.com/Velrok/email-missing-students [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Velrok/email-missing-students" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVelrok%2Femail-missing-students", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVelrok%2Femail-missing-students'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 313ea08e9e4d0ff129daeb35872bd200de9da798 [INFO] testing Velrok/email-missing-students against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVelrok%2Femail-missing-students" "/workspace/builds/worker-54/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Velrok/email-missing-students on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Velrok/email-missing-students [INFO] finished tweaking git repo https://github.com/Velrok/email-missing-students [INFO] tweaked toml for git repo https://github.com/Velrok/email-missing-students written to /workspace/builds/worker-54/source/Cargo.toml [INFO] crate git repo https://github.com/Velrok/email-missing-students already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_derive v1.0.119 [INFO] [stderr] Downloaded ascii_utils v0.9.3 [INFO] [stderr] Downloaded fast_chemail v0.9.6 [INFO] [stderr] Downloaded error-chain v0.8.1 [INFO] [stderr] Downloaded email-format v0.8.0 [INFO] [stderr] Downloaded serde v1.0.119 [INFO] [stderr] Downloaded futures v0.1.30 [INFO] [stderr] Downloaded trust-dns-proto v0.6.3 [INFO] [stderr] Downloaded lettre v0.9.5 [INFO] [stderr] Downloaded bufstream v0.1.4 [INFO] [stderr] Downloaded buf-read-ext v0.3.0 [INFO] [stderr] Downloaded trust-dns-resolver v0.10.3 [INFO] [stderr] Downloaded widestring v0.2.2 [INFO] [stderr] Downloaded ipconfig v0.1.9 [INFO] [stderr] Downloaded uuid v0.4.0 [INFO] [stderr] Downloaded mailstrom v0.7.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8033047d00007b1bd65e4674c6651eff0c6fc4413bf8fbf04a27b717bf33cee6 [INFO] running `Command { std: "docker" "start" "-a" "8033047d00007b1bd65e4674c6651eff0c6fc4413bf8fbf04a27b717bf33cee6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8033047d00007b1bd65e4674c6651eff0c6fc4413bf8fbf04a27b717bf33cee6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8033047d00007b1bd65e4674c6651eff0c6fc4413bf8fbf04a27b717bf33cee6", kill_on_drop: false }` [INFO] [stdout] 8033047d00007b1bd65e4674c6651eff0c6fc4413bf8fbf04a27b717bf33cee6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 73300d3ccfb8f206bbafbf7c074bfe8f67f4d3c98db8720a84005539a0cfc445 [INFO] running `Command { std: "docker" "start" "-a" "73300d3ccfb8f206bbafbf7c074bfe8f67f4d3c98db8720a84005539a0cfc445", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling futures v0.1.30 [INFO] [stderr] Compiling serde_derive v1.0.119 [INFO] [stderr] Compiling serde v1.0.119 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling gimli v0.23.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling openssl v0.10.32 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Compiling object v0.22.0 [INFO] [stderr] Compiling rustc-demangle v0.1.18 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling ascii_utils v0.9.3 [INFO] [stderr] Compiling linked-hash-map v0.5.4 [INFO] [stderr] Compiling bufstream v0.1.4 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling buf-read-ext v0.3.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling tinyvec v1.1.0 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling fast_chemail v0.9.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling lru-cache v0.1.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling unicode-normalization v0.1.16 [INFO] [stderr] Compiling openssl-sys v0.9.60 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling addr2line v0.14.1 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling hostname v0.3.1 [INFO] [stderr] Compiling socket2 v0.3.19 [INFO] [stderr] Compiling hostname v0.1.5 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling backtrace v0.3.55 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling resolv-conf v0.6.3 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling uuid v0.4.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling structopt v0.3.21 [INFO] [stderr] Compiling trust-dns-proto v0.6.3 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling bstr v0.2.14 [INFO] [stderr] Compiling csv v1.1.5 [INFO] [stderr] Compiling lettre v0.9.5 [INFO] [stderr] Compiling tinytemplate v1.2.0 [INFO] [stderr] Compiling trust-dns-resolver v0.10.3 [INFO] [stderr] Compiling email-format v0.8.0 [INFO] [stderr] Compiling mailstrom v0.7.0 [INFO] [stderr] Compiling email-missing-students v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/main.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | name: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `AttendenceRecord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:90:10 [INFO] [stdout] | [INFO] [stdout] 90 | #[derive(Debug, Deserialize)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:116:30 [INFO] [stdout] | [INFO] [stdout] 116 | Err(e) => panic!(e.to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 116 | Err(e) => panic!("{}", e.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:130:30 [INFO] [stdout] | [INFO] [stdout] 130 | Err(e) => panic!(e.to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 130 | Err(e) => panic!("{}", e.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.13s [INFO] running `Command { std: "docker" "inspect" "73300d3ccfb8f206bbafbf7c074bfe8f67f4d3c98db8720a84005539a0cfc445", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73300d3ccfb8f206bbafbf7c074bfe8f67f4d3c98db8720a84005539a0cfc445", kill_on_drop: false }` [INFO] [stdout] 73300d3ccfb8f206bbafbf7c074bfe8f67f4d3c98db8720a84005539a0cfc445 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cebe5db54cdeff7ecbe38c9adcac42cf987579e533849dd57e2410ea41359bfc [INFO] running `Command { std: "docker" "start" "-a" "cebe5db54cdeff7ecbe38c9adcac42cf987579e533849dd57e2410ea41359bfc", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling email-missing-students v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/main.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | name: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `AttendenceRecord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:90:10 [INFO] [stdout] | [INFO] [stdout] 90 | #[derive(Debug, Deserialize)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:116:30 [INFO] [stdout] | [INFO] [stdout] 116 | Err(e) => panic!(e.to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 116 | Err(e) => panic!("{}", e.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:130:30 [INFO] [stdout] | [INFO] [stdout] 130 | Err(e) => panic!(e.to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 130 | Err(e) => panic!("{}", e.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 17.46s [INFO] running `Command { std: "docker" "inspect" "cebe5db54cdeff7ecbe38c9adcac42cf987579e533849dd57e2410ea41359bfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cebe5db54cdeff7ecbe38c9adcac42cf987579e533849dd57e2410ea41359bfc", kill_on_drop: false }` [INFO] [stdout] cebe5db54cdeff7ecbe38c9adcac42cf987579e533849dd57e2410ea41359bfc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b5815826a0df29573906b7149e67e060e2001cbb879ee65c24ef92c8be6050ca [INFO] running `Command { std: "docker" "start" "-a" "b5815826a0df29573906b7149e67e060e2001cbb879ee65c24ef92c8be6050ca", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: field is never read: `name` [INFO] [stderr] --> src/main.rs:92:5 [INFO] [stderr] | [INFO] [stderr] 92 | name: String, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `AttendenceRecord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:90:10 [INFO] [stderr] | [INFO] [stderr] 90 | #[derive(Debug, Deserialize)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/main.rs:116:30 [INFO] [stderr] | [INFO] [stderr] 116 | Err(e) => panic!(e.to_string()), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 116 | Err(e) => panic!("{}", e.to_string()), [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/main.rs:130:30 [INFO] [stderr] | [INFO] [stderr] 130 | Err(e) => panic!(e.to_string()), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 130 | Err(e) => panic!("{}", e.to_string()), [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: `email-missing-students` (bin "email-missing-students" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1m 43s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/email_missing_students-30d6df5a59ee0fb6) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b5815826a0df29573906b7149e67e060e2001cbb879ee65c24ef92c8be6050ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5815826a0df29573906b7149e67e060e2001cbb879ee65c24ef92c8be6050ca", kill_on_drop: false }` [INFO] [stdout] b5815826a0df29573906b7149e67e060e2001cbb879ee65c24ef92c8be6050ca