[INFO] cloning repository https://github.com/Cedian03/mad-db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cedian03/mad-db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCedian03%2Fmad-db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCedian03%2Fmad-db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edef97686d72cb46476d9b8d48e66fa858d8ccba
[INFO] checking Cedian03/mad-db against try#0bdee9e879c87b7211d316e9152109cfd46c576b for pr-150097
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCedian03%2Fmad-db" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Cedian03/mad-db
[INFO] finished tweaking git repo https://github.com/Cedian03/mad-db
[INFO] tweaked toml for git repo https://github.com/Cedian03/mad-db written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Cedian03/mad-db on toolchain 0bdee9e879c87b7211d316e9152109cfd46c576b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Cedian03/mad-db already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbff7e95008b84aec30b9ab95e9eb753aaa4270ba0f9e8e82874b71e265d4e60
[INFO] running `Command { std: "docker" "start" "-a" "cbff7e95008b84aec30b9ab95e9eb753aaa4270ba0f9e8e82874b71e265d4e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbff7e95008b84aec30b9ab95e9eb753aaa4270ba0f9e8e82874b71e265d4e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbff7e95008b84aec30b9ab95e9eb753aaa4270ba0f9e8e82874b71e265d4e60", kill_on_drop: false }`
[INFO] [stdout] cbff7e95008b84aec30b9ab95e9eb753aaa4270ba0f9e8e82874b71e265d4e60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03b02d75a2161a22c3eb0ffe9d1799e70139bb5432af2522a1108644bf3e7e52
[INFO] running `Command { std: "docker" "start" "-a" "03b02d75a2161a22c3eb0ffe9d1799e70139bb5432af2522a1108644bf3e7e52", kill_on_drop: false }`
[INFO] [stderr]     Checking mad_db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0061]: this method takes 0 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/lib.rs:227:38
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let first = db.execute(|v| v.get(0))?.unwrap();
[INFO] [stdout]     |                                      ^^^ - unexpected argument of type `{integer}`
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/lib.rs:58:12
[INFO] [stdout]     |
[INFO] [stdout]  58 |     pub fn get(&mut self) -> Result<Vec<S>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]     |
[INFO] [stdout] 227 -         let first = db.execute(|v| v.get(0))?.unwrap();
[INFO] [stdout] 227 +         let first = db.execute(|v| v.get())?.unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `Vec<(Integer, DbString)>` in the current scope
[INFO] [stdout]    --> src/lib.rs:227:47
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let first = db.execute(|v| v.get(0))?.unwrap();
[INFO] [stdout]     |                                               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `swap` with a similar name, but with different arguments
[INFO] [stdout]    --> library/core/src/slice/mod.rs:904:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 0 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/lib.rs:231:39
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let second = db.execute(|v| v.get(1))?.unwrap();
[INFO] [stdout]     |                                       ^^^ - unexpected argument of type `{integer}`
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/lib.rs:58:12
[INFO] [stdout]     |
[INFO] [stdout]  58 |     pub fn get(&mut self) -> Result<Vec<S>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]     |
[INFO] [stdout] 231 -         let second = db.execute(|v| v.get(1))?.unwrap();
[INFO] [stdout] 231 +         let second = db.execute(|v| v.get())?.unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let n = reader.read_line(&mut schema)?;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `Vec<(Integer, DbString)>` in the current scope
[INFO] [stdout]    --> src/lib.rs:231:48
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let second = db.execute(|v| v.get(1))?.unwrap();
[INFO] [stdout]     |                                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `swap` with a similar name, but with different arguments
[INFO] [stdout]    --> library/core/src/slice/mod.rs:904:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 0 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/lib.rs:236:37
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let none = db.execute(|v| v.get(10))?;
[INFO] [stdout]     |                                     ^^^ -- unexpected argument of type `{integer}`
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/lib.rs:58:12
[INFO] [stdout]     |
[INFO] [stdout]  58 |     pub fn get(&mut self) -> Result<Vec<S>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]     |
[INFO] [stdout] 236 -         let none = db.execute(|v| v.get(10))?;
[INFO] [stdout] 236 +         let none = db.execute(|v| v.get())?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_none` found for struct `Vec<(Integer, DbString)>` in the current scope
[INFO] [stdout]    --> src/lib.rs:237:22
[INFO] [stdout]     |
[INFO] [stdout] 237 |         assert!(none.is_none());
[INFO] [stdout]     |                      ^^^^^^^ method not found in `Vec<(Integer, DbString)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `&mut View<'_, (Integer, Integer)>` is not an iterator
[INFO] [stdout]    --> src/lib.rs:252:38
[INFO] [stdout]     |
[INFO] [stdout]  52 | pub struct View<'a, S> {
[INFO] [stdout]     | ---------------------- doesn't satisfy `View<'_, (Integer, Integer)>: Iterator`
[INFO] [stdout] ...
[INFO] [stdout] 252 |         let count = db.execute(|v| v.count())?;
[INFO] [stdout]     |                                      ^^^^^ `&mut View<'_, (Integer, Integer)>` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `View<'_, (Integer, Integer)>: Iterator`
[INFO] [stdout]             which is required by `&mut View<'_, (Integer, Integer)>: Iterator`
[INFO] [stdout]             `&mut View<'_, (Integer, Integer)>: Iterator`
[INFO] [stdout]             which is required by `&mut &mut View<'_, (Integer, Integer)>: Iterator`
[INFO] [stdout] note: the trait `Iterator` must be implemented
[INFO] [stdout]    --> library/core/src/iter/traits/iterator.rs:40:0
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the trait `Iterator` defines an item `count`, but is explicitly unimplemented
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `&mut View<'_, (Integer, Integer)>` is not an iterator
[INFO] [stdout]    --> src/lib.rs:264:38
[INFO] [stdout]     |
[INFO] [stdout]  52 | pub struct View<'a, S> {
[INFO] [stdout]     | ---------------------- doesn't satisfy `View<'_, (Integer, Integer)>: Iterator`
[INFO] [stdout] ...
[INFO] [stdout] 264 |         let count = db.execute(|v| v.count())?;
[INFO] [stdout]     |                                      ^^^^^ `&mut View<'_, (Integer, Integer)>` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `View<'_, (Integer, Integer)>: Iterator`
[INFO] [stdout]             which is required by `&mut View<'_, (Integer, Integer)>: Iterator`
[INFO] [stdout]             `&mut View<'_, (Integer, Integer)>: Iterator`
[INFO] [stdout]             which is required by `&mut &mut View<'_, (Integer, Integer)>: Iterator`
[INFO] [stdout] note: the trait `Iterator` must be implemented
[INFO] [stdout]    --> library/core/src/iter/traits/iterator.rs:40:0
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the trait `Iterator` defines an item `count`, but is explicitly unimplemented
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `&mut View<'_, (DbString, DbString)>` is not an iterator
[INFO] [stdout]    --> src/lib.rs:393:42
[INFO] [stdout]     |
[INFO] [stdout]  52 | pub struct View<'a, S> {
[INFO] [stdout]     | ---------------------- doesn't satisfy `View<'_, (DbString, DbString)>: Iterator`
[INFO] [stdout] ...
[INFO] [stdout] 393 |         let count = db.execute(|mut v| v.count())?;
[INFO] [stdout]     |                                          ^^^^^ `&mut View<'_, (DbString, DbString)>` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `View<'_, (DbString, DbString)>: Iterator`
[INFO] [stdout]             which is required by `&mut View<'_, (DbString, DbString)>: Iterator`
[INFO] [stdout]             `&mut View<'_, (DbString, DbString)>: Iterator`
[INFO] [stdout]             which is required by `&mut &mut View<'_, (DbString, DbString)>: Iterator`
[INFO] [stdout] note: the trait `Iterator` must be implemented
[INFO] [stdout]    --> library/core/src/iter/traits/iterator.rs:40:0
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the trait `Iterator` defines an item `count`, but is explicitly unimplemented
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let n = reader.read_line(&mut schema)?;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:355:21
[INFO] [stdout]     |
[INFO] [stdout] 355 |         db.execute(|mut v| {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |         db.execute(|mut v| {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:416:32
[INFO] [stdout]     |
[INFO] [stdout] 416 |         let rows = db.execute(|mut v| v.get())?;
[INFO] [stdout]     |                                ----^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:437:21
[INFO] [stdout]     |
[INFO] [stdout] 437 |         db.execute(|mut v| v.insert((DbString("k1".to_string()), DbString("First".to_string()))))?;
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:438:21
[INFO] [stdout]     |
[INFO] [stdout] 438 |         db.execute(|mut v| v.insert((DbString("k2".to_string()), DbString("Second".to_string()))))?;
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:439:21
[INFO] [stdout]     |
[INFO] [stdout] 439 |         db.execute(|mut v| v.insert((DbString("k3".to_string()), DbString("Third".to_string()))))?;
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:442:32
[INFO] [stdout]     |
[INFO] [stdout] 442 |         let rows = db.execute(|mut v| v.get())?;
[INFO] [stdout]     |                                ----^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mad_db` (lib test) due to 9 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "03b02d75a2161a22c3eb0ffe9d1799e70139bb5432af2522a1108644bf3e7e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b02d75a2161a22c3eb0ffe9d1799e70139bb5432af2522a1108644bf3e7e52", kill_on_drop: false }`
[INFO] [stdout] 03b02d75a2161a22c3eb0ffe9d1799e70139bb5432af2522a1108644bf3e7e52
