[INFO] fetching crate libcrypt-songbird 0.1.0...
[INFO] testing libcrypt-songbird-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate libcrypt-songbird 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate libcrypt-songbird 0.1.0
[INFO] finished tweaking crates.io crate libcrypt-songbird 0.1.0
[INFO] tweaked toml for crates.io crate libcrypt-songbird 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libcrypt-songbird 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 570516fad49f731cf168edbe7dfa59cb30a2bb8701d7488e4cc302fca2320594
[INFO] running `Command { std: "docker" "start" "-a" "570516fad49f731cf168edbe7dfa59cb30a2bb8701d7488e4cc302fca2320594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "570516fad49f731cf168edbe7dfa59cb30a2bb8701d7488e4cc302fca2320594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "570516fad49f731cf168edbe7dfa59cb30a2bb8701d7488e4cc302fca2320594", kill_on_drop: false }`
[INFO] [stdout] 570516fad49f731cf168edbe7dfa59cb30a2bb8701d7488e4cc302fca2320594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93afe9474f365fae44bc6276313d393d924b22b7743c110e18cf62a1ab92f843
[INFO] running `Command { std: "docker" "start" "-a" "93afe9474f365fae44bc6276313d393d924b22b7743c110e18cf62a1ab92f843", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcrypt-songbird v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `nugg` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait nugg {
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper camel case: `Nugg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `exchanger` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub struct exchanger {
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to upper camel case: `Exchanger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Sidequest` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     Sidequest: Ref,
[INFO] [stdout]     |     ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sidequest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Sidequest` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         Sidequest: Ref,
[INFO] [stdout]     |         ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sidequest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "93afe9474f365fae44bc6276313d393d924b22b7743c110e18cf62a1ab92f843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93afe9474f365fae44bc6276313d393d924b22b7743c110e18cf62a1ab92f843", kill_on_drop: false }`
[INFO] [stdout] 93afe9474f365fae44bc6276313d393d924b22b7743c110e18cf62a1ab92f843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a38ec795fe6f5e2b084244df96b46ad0ab0655d45bc1e0e952c41edff5c2d647
[INFO] running `Command { std: "docker" "start" "-a" "a38ec795fe6f5e2b084244df96b46ad0ab0655d45bc1e0e952c41edff5c2d647", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcrypt-songbird v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `nugg` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait nugg {
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper camel case: `Nugg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `exchanger` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub struct exchanger {
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to upper camel case: `Exchanger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Sidequest` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     Sidequest: Ref,
[INFO] [stdout]     |     ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sidequest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Sidequest` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         Sidequest: Ref,
[INFO] [stdout]     |         ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sidequest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `nugg` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait nugg {
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper camel case: `Nugg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `exchanger` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub struct exchanger {
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to upper camel case: `Exchanger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Sidequest` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     Sidequest: Ref,
[INFO] [stdout]     |     ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sidequest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Sidequest` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         Sidequest: Ref,
[INFO] [stdout]     |         ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sidequest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "a38ec795fe6f5e2b084244df96b46ad0ab0655d45bc1e0e952c41edff5c2d647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38ec795fe6f5e2b084244df96b46ad0ab0655d45bc1e0e952c41edff5c2d647", kill_on_drop: false }`
[INFO] [stdout] a38ec795fe6f5e2b084244df96b46ad0ab0655d45bc1e0e952c41edff5c2d647
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4adaa31f43bcb3a1ac42bf974bd004b7cdebc93c855fe8013ece2afed1da0bf2
[INFO] running `Command { std: "docker" "start" "-a" "4adaa31f43bcb3a1ac42bf974bd004b7cdebc93c855fe8013ece2afed1da0bf2", kill_on_drop: false }`
[INFO] [stderr] warning: trait `nugg` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub trait nugg {
[INFO] [stderr]    |           ^^^^ help: convert the identifier to upper camel case: `Nugg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `exchanger` should have an upper camel case name
[INFO] [stderr]    --> src/lib.rs:134:12
[INFO] [stderr]     |
[INFO] [stderr] 134 | pub struct exchanger {
[INFO] [stderr]     |            ^^^^^^^^^ help: convert the identifier to upper camel case: `Exchanger`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Sidequest` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     Sidequest: Ref,
[INFO] [stderr]     |     ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sidequest`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Sidequest` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |         Sidequest: Ref,
[INFO] [stderr]     |         ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sidequest`
[INFO] [stderr] 
[INFO] [stderr] warning: `libcrypt-songbird` (lib) generated 4 warnings
[INFO] [stderr] warning: `libcrypt-songbird` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/songbird-d83edc5262776d8d)
[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] [stderr]    Doc-tests songbird
[INFO] [stderr] warning: trait `nugg` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub trait nugg {
[INFO] [stderr]    |           ^^^^ help: convert the identifier to upper camel case: `Nugg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `exchanger` should have an upper camel case name
[INFO] [stderr]    --> src/lib.rs:134:12
[INFO] [stderr]     |
[INFO] [stderr] 134 | pub struct exchanger {
[INFO] [stderr]     |            ^^^^^^^^^ help: convert the identifier to upper camel case: `Exchanger`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[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" "4adaa31f43bcb3a1ac42bf974bd004b7cdebc93c855fe8013ece2afed1da0bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4adaa31f43bcb3a1ac42bf974bd004b7cdebc93c855fe8013ece2afed1da0bf2", kill_on_drop: false }`
[INFO] [stdout] 4adaa31f43bcb3a1ac42bf974bd004b7cdebc93c855fe8013ece2afed1da0bf2