[INFO] cloning repository https://github.com/oeb25/web-dm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oeb25/web-dm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foeb25%2Fweb-dm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foeb25%2Fweb-dm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0502e79b45db71017a096ca03dcd4333ed395dd8
[INFO] checking oeb25/web-dm against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foeb25%2Fweb-dm" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oeb25/web-dm 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 git repo https://github.com/oeb25/web-dm
[INFO] finished tweaking git repo https://github.com/oeb25/web-dm
[INFO] tweaked toml for git repo https://github.com/oeb25/web-dm written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/oeb25/web-dm 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 synstructure v0.10.0
[INFO] [stderr]   Downloaded base-x v0.2.3
[INFO] [stderr]   Downloaded serde_derive v1.0.80
[INFO] [stderr]   Downloaded yew v0.4.0
[INFO] [stderr]   Downloaded http v0.1.13
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.2
[INFO] [stderr]   Downloaded stdweb v0.4.10
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 322dd55831c9121218735ede473f294b5bf7d3211a0b86a6926463da61bcdd81
[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" "322dd55831c9121218735ede473f294b5bf7d3211a0b86a6926463da61bcdd81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "322dd55831c9121218735ede473f294b5bf7d3211a0b86a6926463da61bcdd81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "322dd55831c9121218735ede473f294b5bf7d3211a0b86a6926463da61bcdd81", kill_on_drop: false }`
[INFO] [stdout] 322dd55831c9121218735ede473f294b5bf7d3211a0b86a6926463da61bcdd81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d85208ec945287b15dc44bd8d17127e3f529c340008d78fbf3e2123820cb60f9
[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" "d85208ec945287b15dc44bd8d17127e3f529c340008d78fbf3e2123820cb60f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]    Compiling base-x v0.2.3
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]     Checking solver v0.1.0 (/opt/rustwide/workdir/solver)
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> solver/src/lib.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Connective::ForAll(r, x) | Connective::Exists(r, x) => {}
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> solver/src/lib.rs:65:32
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Connective::ForAll(r, x) | Connective::Exists(r, x) => {}
[INFO] [stdout]    |                                ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Connective::ForAll(_r, x) | Connective::Exists(_r, x) => {}
[INFO] [stdout]    |                                ^^                          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> solver/src/lib.rs:65:35
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Connective::ForAll(r, x) | Connective::Exists(r, x) => {}
[INFO] [stdout]    |                                   ^                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Connective::ForAll(r, _x) | Connective::Exists(r, _x) => {}
[INFO] [stdout]    |                                   ^^                          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> solver/src/lib.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Connective::ForAll(r, x) | Connective::Exists(r, x) => {}
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> solver/src/lib.rs:65:32
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Connective::ForAll(r, x) | Connective::Exists(r, x) => {}
[INFO] [stdout]    |                                ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Connective::ForAll(_r, x) | Connective::Exists(_r, x) => {}
[INFO] [stdout]    |                                ^^                          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> solver/src/lib.rs:65:35
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Connective::ForAll(r, x) | Connective::Exists(r, x) => {}
[INFO] [stdout]    |                                   ^                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Connective::ForAll(r, _x) | Connective::Exists(r, _x) => {}
[INFO] [stdout]    |                                   ^^                          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> solver/src/lib.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, slice_patterns, exclusive_range_pattern)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> solver/src/lib.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, slice_patterns, exclusive_range_pattern)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking usage v0.1.0 (/opt/rustwide/workdir/usage)
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.2
[INFO] [stderr]    Compiling stdweb v0.4.10
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]     Checking yew v0.4.0
[INFO] [stderr]     Checking web v0.1.0 (/opt/rustwide/workdir/web)
[INFO] [stdout] warning: unused variable: `b_1`
[INFO] [stdout]   --> web/src/euclid.rs:83:27
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn chinese_rest_class(b_1: i64, n_1: i64, b_2: i64, n_2: i64) -> Result<(i64, i64), ()> {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_b_1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b_2`
[INFO] [stdout]   --> web/src/euclid.rs:83:47
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn chinese_rest_class(b_1: i64, n_1: i64, b_2: i64, n_2: i64) -> Result<(i64, i64), ()> {
[INFO] [stdout]    |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_b_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gcd`
[INFO] [stdout]   --> web/src/euclid.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn gcd(a: i64, b: i64) -> i64 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> web/src/main.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, slice_patterns)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b_1`
[INFO] [stdout]   --> web/src/euclid.rs:83:27
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn chinese_rest_class(b_1: i64, n_1: i64, b_2: i64, n_2: i64) -> Result<(i64, i64), ()> {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_b_1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b_2`
[INFO] [stdout]   --> web/src/euclid.rs:83:47
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn chinese_rest_class(b_1: i64, n_1: i64, b_2: i64, n_2: i64) -> Result<(i64, i64), ()> {
[INFO] [stdout]    |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_b_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gcd`
[INFO] [stdout]   --> web/src/euclid.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn gcd(a: i64, b: i64) -> i64 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> web/src/main.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, slice_patterns)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "d85208ec945287b15dc44bd8d17127e3f529c340008d78fbf3e2123820cb60f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d85208ec945287b15dc44bd8d17127e3f529c340008d78fbf3e2123820cb60f9", kill_on_drop: false }`
[INFO] [stdout] d85208ec945287b15dc44bd8d17127e3f529c340008d78fbf3e2123820cb60f9