[INFO] updating cached repository https://github.com/droundy/rust-student-pairs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 71c5acdacdf8b51fede27b131248c0af9a89bbea [INFO] checking droundy/rust-student-pairs against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdroundy%2Frust-student-pairs" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/droundy/rust-student-pairs on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/droundy/rust-student-pairs [INFO] finished tweaking git repo https://github.com/droundy/rust-student-pairs [INFO] tweaked toml for git repo https://github.com/droundy/rust-student-pairs written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/droundy/rust-student-pairs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 957047fd8805e6eca88d427e7a5672eed88828d82d49aa62ef30a8b1c1d4aaf8 [INFO] running `"docker" "start" "-a" "957047fd8805e6eca88d427e7a5672eed88828d82d49aa62ef30a8b1c1d4aaf8"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serde v1.0.75 [INFO] [stderr] Compiling proc-macro2 v0.4.15 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Checking remove_dir_all v0.5.1 [INFO] [stderr] Checking chunked_transfer v0.3.1 [INFO] [stderr] Checking ascii v0.7.1 [INFO] [stderr] Checking sha1 v0.2.0 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking memchr v2.0.2 [INFO] [stderr] Checking log v0.4.4 [INFO] [stderr] Compiling brotli-sys v0.2.1 [INFO] [stderr] Checking filetime v0.1.15 [INFO] [stderr] Checking tinyset v0.2.2 [INFO] [stderr] Checking base64 v0.7.0 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking thread_local v0.3.3 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking num-integer v0.1.39 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Checking url v1.7.1 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Checking buf_redux v0.6.3 [INFO] [stderr] Compiling nom v4.0.0 [INFO] [stderr] Checking uuid v0.1.18 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking term v0.2.14 [INFO] [stderr] Checking state v0.4.1 [INFO] [stderr] Checking gzip-header v0.1.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking phf v0.7.23 [INFO] [stderr] Checking url v0.2.38 [INFO] [stderr] Checking num-iter v0.1.37 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking tiny_http v0.5.9 [INFO] [stderr] Checking tempfile v3.0.3 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Compiling mime_guess v1.8.6 [INFO] [stderr] Checking multipart v0.13.6 [INFO] [stderr] Checking brotli2 v0.2.2 [INFO] [stderr] Compiling serde_derive v1.0.75 [INFO] [stderr] Checking toml v0.4.6 [INFO] [stderr] Checking serde_json v1.0.26 [INFO] [stderr] Checking serde_yaml v0.7.5 [INFO] [stderr] Checking internment v0.3.6 [INFO] [stderr] Compiling askama_shared v0.7.1 [INFO] [stderr] Checking rouille v2.1.0 [INFO] [stderr] Compiling askama_derive v0.7.1 [INFO] [stderr] Compiling askama v0.7.1 [INFO] [stderr] Compiling rust-student-pairs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:84:23 [INFO] [stderr] | [INFO] [stderr] 84 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 85 | | id: usize, [INFO] [stderr] 86 | | name: String, [INFO] [stderr] 87 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:84:23 [INFO] [stderr] | [INFO] [stderr] 84 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 85 | | id: usize, [INFO] [stderr] 86 | | name: String, [INFO] [stderr] 87 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:126:23 [INFO] [stderr] | [INFO] [stderr] 126 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 127 | | team: String, [INFO] [stderr] 128 | | section: String, [INFO] [stderr] 129 | | student: String, [INFO] [stderr] 130 | | action: String, [INFO] [stderr] 131 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:126:23 [INFO] [stderr] | [INFO] [stderr] 126 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 127 | | team: String, [INFO] [stderr] 128 | | section: String, [INFO] [stderr] 129 | | student: String, [INFO] [stderr] 130 | | action: String, [INFO] [stderr] 131 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:188:23 [INFO] [stderr] | [INFO] [stderr] 188 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 189 | | team: String, [INFO] [stderr] 190 | | section: String, [INFO] [stderr] 191 | | primary: String, [INFO] [stderr] 192 | | secondary: String, [INFO] [stderr] 193 | | action: String, [INFO] [stderr] 194 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:188:23 [INFO] [stderr] | [INFO] [stderr] 188 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 189 | | team: String, [INFO] [stderr] 190 | | section: String, [INFO] [stderr] 191 | | primary: String, [INFO] [stderr] 192 | | secondary: String, [INFO] [stderr] 193 | | action: String, [INFO] [stderr] 194 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:250:23 [INFO] [stderr] | [INFO] [stderr] 250 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 251 | | section: String, [INFO] [stderr] 252 | | oldname: String, [INFO] [stderr] 253 | | newname: String, [INFO] [stderr] 254 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:250:23 [INFO] [stderr] | [INFO] [stderr] 250 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 251 | | section: String, [INFO] [stderr] 252 | | oldname: String, [INFO] [stderr] 253 | | newname: String, [INFO] [stderr] 254 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:286:23 [INFO] [stderr] | [INFO] [stderr] 286 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 287 | | oldname: String, [INFO] [stderr] 288 | | newname: String, [INFO] [stderr] 289 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:286:23 [INFO] [stderr] | [INFO] [stderr] 286 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 287 | | oldname: String, [INFO] [stderr] 288 | | newname: String, [INFO] [stderr] 289 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:317:23 [INFO] [stderr] | [INFO] [stderr] 317 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 318 | | oldname: String, [INFO] [stderr] 319 | | newname: String, [INFO] [stderr] 320 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:317:23 [INFO] [stderr] | [INFO] [stderr] 317 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 318 | | oldname: String, [INFO] [stderr] 319 | | newname: String, [INFO] [stderr] 320 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:84:23 [INFO] [stderr] | [INFO] [stderr] 84 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 85 | | id: usize, [INFO] [stderr] 86 | | name: String, [INFO] [stderr] 87 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:84:23 [INFO] [stderr] | [INFO] [stderr] 84 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 85 | | id: usize, [INFO] [stderr] 86 | | name: String, [INFO] [stderr] 87 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:126:23 [INFO] [stderr] | [INFO] [stderr] 126 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 127 | | team: String, [INFO] [stderr] 128 | | section: String, [INFO] [stderr] 129 | | student: String, [INFO] [stderr] 130 | | action: String, [INFO] [stderr] 131 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:126:23 [INFO] [stderr] | [INFO] [stderr] 126 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 127 | | team: String, [INFO] [stderr] 128 | | section: String, [INFO] [stderr] 129 | | student: String, [INFO] [stderr] 130 | | action: String, [INFO] [stderr] 131 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:188:23 [INFO] [stderr] | [INFO] [stderr] 188 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 189 | | team: String, [INFO] [stderr] 190 | | section: String, [INFO] [stderr] 191 | | primary: String, [INFO] [stderr] 192 | | secondary: String, [INFO] [stderr] 193 | | action: String, [INFO] [stderr] 194 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:188:23 [INFO] [stderr] | [INFO] [stderr] 188 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 189 | | team: String, [INFO] [stderr] 190 | | section: String, [INFO] [stderr] 191 | | primary: String, [INFO] [stderr] 192 | | secondary: String, [INFO] [stderr] 193 | | action: String, [INFO] [stderr] 194 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:250:23 [INFO] [stderr] | [INFO] [stderr] 250 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 251 | | section: String, [INFO] [stderr] 252 | | oldname: String, [INFO] [stderr] 253 | | newname: String, [INFO] [stderr] 254 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:250:23 [INFO] [stderr] | [INFO] [stderr] 250 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 251 | | section: String, [INFO] [stderr] 252 | | oldname: String, [INFO] [stderr] 253 | | newname: String, [INFO] [stderr] 254 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:286:23 [INFO] [stderr] | [INFO] [stderr] 286 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 287 | | oldname: String, [INFO] [stderr] 288 | | newname: String, [INFO] [stderr] 289 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:286:23 [INFO] [stderr] | [INFO] [stderr] 286 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 287 | | oldname: String, [INFO] [stderr] 288 | | newname: String, [INFO] [stderr] 289 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:317:23 [INFO] [stderr] | [INFO] [stderr] 317 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 318 | | oldname: String, [INFO] [stderr] 319 | | newname: String, [INFO] [stderr] 320 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:317:23 [INFO] [stderr] | [INFO] [stderr] 317 | match post_input!(request, { [INFO] [stderr] | _______________________^ [INFO] [stderr] 318 | | oldname: String, [INFO] [stderr] 319 | | newname: String, [INFO] [stderr] 320 | | }) { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 38s [INFO] running `"docker" "inspect" "957047fd8805e6eca88d427e7a5672eed88828d82d49aa62ef30a8b1c1d4aaf8"` [INFO] running `"docker" "rm" "-f" "957047fd8805e6eca88d427e7a5672eed88828d82d49aa62ef30a8b1c1d4aaf8"` [INFO] [stdout] 957047fd8805e6eca88d427e7a5672eed88828d82d49aa62ef30a8b1c1d4aaf8